"./vfs.test -test.v -test.timeout 1h0m0s -remote TestProtonDrive: -verbose -test.run '^(TestCaseSensitivity|TestDirCreate|TestDirFileOpen|TestDirForgetAll|TestDirForgetPath|TestDirHandleMethods|TestDirHandleReaddir|TestDirHandleReaddirnames|TestDirMetadataExtension|TestDirMethods|TestDirMkdir|TestDirMkdirSub|TestDirOpen|TestDirReadDirAll|TestDirRemove|TestDirRemoveAll|TestDirRemoveName|TestDirRename|TestDirSetModTime|TestDirStat|TestDirWalk|TestFileMethods|TestFileOpen|TestFileOpenRead|TestFileOpenWrite|TestFileReadAtNonZeroLength|TestFileReadAtZeroLength|TestFileRemove|TestFileRemoveAll|TestRWCacheUpdate|TestRWFileHandleFlushRead|TestRWFileHandleMethodsRead|TestRWFileHandleMethodsWrite|TestRWFileHandleReadAt|TestRWFileHandleReleaseRead|TestRWFileHandleSeek|TestRWFileHandleSizeCreateExisting|TestRWFileHandleSizeTruncateExisting|TestRWFileHandleWriteAt|TestRWFileHandleWriteNoWrite|TestRWFileModTimeWithOpenWriters|TestReadFileHandleFlush|TestReadFileHandleMethods|TestReadFileHandleReadAt|TestReadFileHandleRelease|TestReadFileHandleSeek|TestUnicodeNormalization|TestVFSMkdir|TestVFSMkdirAll|TestVFSOpenFile|TestVFSRename|TestVFSStat|TestVFSStatParent|TestWriteFileHandleFlush|TestWriteFileHandleMethods|TestWriteFileHandleRelease|TestWriteFileHandleWriteAt|TestWriteFileModTimeWithOpenWriters|TestZipDirsInRoot|TestZipLargeFiles|TestZipManyFiles|TestZipManySubDirs)$|^TestFileRename$/^(full,forceCache=false|minimal,forceCache=false|minimal,forceCache=true|off,forceCache=false|writes,forceCache=false|writes,forceCache=true)$|^TestFileSetModTime$/^(cache=full,open=false,write=false|cache=full,open=true,write=false|cache=full,open=true,write=true|cache=off,open=false,write=false|cache=off,open=true,write=false|cache=off,open=true,write=true)$'" - Starting (try 2/5)
2026/04/13 01:52:51 DEBUG : Creating backend with remote "TestProtonDrive:rclone-test-mububek7gabu"
2026/04/13 01:52:51 DEBUG : Using config file from "/home/rclone/.rclone.conf"
2026/04/13 01:52:51 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': Has cached credentials
2026/04/13 01:52:52 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': Used cached credential to initialize the ProtonDrive API
2026/04/13 01:52:52 DEBUG : Creating backend with remote "/tmp/rclone3396529618"
=== RUN   TestDirHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:52 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:52 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:53.438276 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:53.438306 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:53 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:53 DEBUG : Looking for writers
2026/04/13 01:52:53 DEBUG : >WaitForWriters: 
2026/04/13 01:52:53 ERROR : error listing: directory not found
--- FAIL: TestDirHandleMethods (0.65s)
=== RUN   TestDirHandleReaddir
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:53 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:53 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:53.953281 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:53.953328 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:53 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:53 DEBUG : Looking for writers
2026/04/13 01:52:53 DEBUG : >WaitForWriters: 
2026/04/13 01:52:54 ERROR : error listing: directory not found
--- FAIL: TestDirHandleReaddir (0.46s)
=== RUN   TestDirHandleReaddirnames
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:54 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:54 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:54.359330 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:54.359361 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:54 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:54 DEBUG : Looking for writers
2026/04/13 01:52:54 DEBUG : >WaitForWriters: 
2026/04/13 01:52:54 ERROR : error listing: directory not found
--- FAIL: TestDirHandleReaddirnames (0.45s)
=== RUN   TestDirMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:54 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:54 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:54.834539 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:54.834562 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:54 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:54 DEBUG : Looking for writers
2026/04/13 01:52:54 DEBUG : >WaitForWriters: 
2026/04/13 01:52:54 ERROR : error listing: directory not found
--- FAIL: TestDirMethods (0.43s)
=== RUN   TestDirForgetAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:54 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:54 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:55.226465 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:55.226684 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:55 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:55 DEBUG : Looking for writers
2026/04/13 01:52:55 DEBUG : >WaitForWriters: 
2026/04/13 01:52:55 ERROR : error listing: directory not found
--- FAIL: TestDirForgetAll (0.40s)
=== RUN   TestDirForgetPath
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:55 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:55 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:55.675953 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:55.676037 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:55 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:55 DEBUG : Looking for writers
2026/04/13 01:52:55 DEBUG : >WaitForWriters: 
2026/04/13 01:52:55 ERROR : error listing: directory not found
--- FAIL: TestDirForgetPath (0.51s)
=== RUN   TestDirWalk
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:55 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:55 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:56.243565 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:56.243585 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:56 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:56 DEBUG : Looking for writers
2026/04/13 01:52:56 DEBUG : >WaitForWriters: 
2026/04/13 01:52:56 ERROR : error listing: directory not found
--- FAIL: TestDirWalk (0.51s)
=== RUN   TestDirSetModTime
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:56 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:56 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:56.712722 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:56.712749 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:56 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:56 DEBUG : Looking for writers
2026/04/13 01:52:56 DEBUG : >WaitForWriters: 
2026/04/13 01:52:56 ERROR : error listing: directory not found
--- FAIL: TestDirSetModTime (0.45s)
=== RUN   TestDirStat
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:56 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:56 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:57.179124 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:57.179229 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:57 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:57 DEBUG : Looking for writers
2026/04/13 01:52:57 DEBUG : >WaitForWriters: 
2026/04/13 01:52:57 ERROR : error listing: directory not found
--- FAIL: TestDirStat (0.49s)
=== RUN   TestDirReadDirAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:57 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:57 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:57.598947 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:57.598971 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:57 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:57 DEBUG : Looking for writers
2026/04/13 01:52:57 DEBUG : >WaitForWriters: 
2026/04/13 01:52:57 ERROR : error listing: directory not found
--- FAIL: TestDirReadDirAll (0.42s)
=== RUN   TestDirOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:57 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:57 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:57.984721 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:57.984745 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:57 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:57 DEBUG : Looking for writers
2026/04/13 01:52:57 DEBUG : >WaitForWriters: 
2026/04/13 01:52:58 ERROR : error listing: directory not found
--- FAIL: TestDirOpen (0.36s)
=== RUN   TestDirCreate
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:58 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:58 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:58.381115 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:58.381138 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:58 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:58 DEBUG : Looking for writers
2026/04/13 01:52:58 DEBUG : >WaitForWriters: 
2026/04/13 01:52:58 ERROR : error listing: directory not found
--- FAIL: TestDirCreate (0.41s)
=== RUN   TestDirMkdir
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:58 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:58 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:58.827222 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:58.827240 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:58 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:58 DEBUG : Looking for writers
2026/04/13 01:52:58 DEBUG : >WaitForWriters: 
2026/04/13 01:52:58 ERROR : error listing: directory not found
--- FAIL: TestDirMkdir (0.47s)
=== RUN   TestDirMkdirSub
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:58 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:58 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:59.472894 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:59.472911 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:59 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:59 DEBUG : Looking for writers
2026/04/13 01:52:59 DEBUG : >WaitForWriters: 
2026/04/13 01:52:59 ERROR : error listing: directory not found
--- FAIL: TestDirMkdirSub (0.61s)
=== RUN   TestDirRemove
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:59 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:59 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:52:59.855364 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:52:59.855386 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:52:59 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:52:59 DEBUG : Looking for writers
2026/04/13 01:52:59 DEBUG : >WaitForWriters: 
2026/04/13 01:52:59 ERROR : error listing: directory not found
--- FAIL: TestDirRemove (0.39s)
=== RUN   TestDirRemoveAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:52:59 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:52:59 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:00.227537 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:00.227580 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:00 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:00 DEBUG : Looking for writers
2026/04/13 01:53:00 DEBUG : >WaitForWriters: 
2026/04/13 01:53:00 ERROR : error listing: directory not found
--- FAIL: TestDirRemoveAll (0.38s)
=== RUN   TestDirRemoveName
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:00 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:00 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:00.614337 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:00.614377 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:00 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:00 DEBUG : Looking for writers
2026/04/13 01:53:00 DEBUG : >WaitForWriters: 
2026/04/13 01:53:00 ERROR : error listing: directory not found
--- FAIL: TestDirRemoveName (0.39s)
=== RUN   TestDirRename
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:00 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:00 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:01.012165 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:01.012185 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:01 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:01 DEBUG : Looking for writers
2026/04/13 01:53:01 DEBUG : >WaitForWriters: 
2026/04/13 01:53:01 ERROR : error listing: directory not found
--- FAIL: TestDirRename (0.42s)
=== RUN   TestDirFileOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:01 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:01 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:01.427948 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:01.428075 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:01 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:01 DEBUG : Looking for writers
2026/04/13 01:53:01 DEBUG : >WaitForWriters: 
2026/04/13 01:53:01 ERROR : error listing: directory not found
--- FAIL: TestDirFileOpen (0.41s)
=== RUN   TestDirMetadataExtension
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:01 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:01 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:01.942711 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:01.942737 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:01 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:01 DEBUG : Looking for writers
2026/04/13 01:53:01 DEBUG : >WaitForWriters: 
2026/04/13 01:53:02 ERROR : error listing: directory not found
--- FAIL: TestDirMetadataExtension (0.49s)
=== RUN   TestFileMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:02 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:02 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:02.398589 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:02.398614 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:02 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:02 DEBUG : Looking for writers
2026/04/13 01:53:02 DEBUG : >WaitForWriters: 
2026/04/13 01:53:02 ERROR : error listing: directory not found
--- FAIL: TestFileMethods (0.47s)
=== RUN   TestFileSetModTime
=== RUN   TestFileSetModTime/cache=off,open=false,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:02 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:02 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:02.837811 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:02.837852 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:02 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:02 DEBUG : Looking for writers
2026/04/13 01:53:02 DEBUG : >WaitForWriters: 
2026/04/13 01:53:03 ERROR : error listing: directory not found
=== RUN   TestFileSetModTime/cache=off,open=true,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:03 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:03 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:03.399657 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:03.399683 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:03 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:03 DEBUG : Looking for writers
2026/04/13 01:53:03 DEBUG : >WaitForWriters: 
2026/04/13 01:53:03 ERROR : error listing: directory not found
=== RUN   TestFileSetModTime/cache=off,open=true,write=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:03 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:03 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:03.973073 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:03.973132 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:03 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:03 DEBUG : Looking for writers
2026/04/13 01:53:03 DEBUG : >WaitForWriters: 
2026/04/13 01:53:04 ERROR : error listing: directory not found
=== RUN   TestFileSetModTime/cache=full,open=false,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:04 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:04 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:04 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:04 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:04 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:04 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:04 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:04 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:04 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:04 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:04 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:04.399546 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:04.399568 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:04 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:04 DEBUG : Looking for writers
2026/04/13 01:53:04 DEBUG : >WaitForWriters: 
2026/04/13 01:53:04 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:04 ERROR : error listing: directory not found
=== RUN   TestFileSetModTime/cache=full,open=true,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:04 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:04 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:04 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:04 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:04 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:04 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:04 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:04 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:04 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:04 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:04 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:05.352606 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:05.352628 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:05 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:05 DEBUG : Looking for writers
2026/04/13 01:53:05 DEBUG : >WaitForWriters: 
2026/04/13 01:53:05 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:05 ERROR : error listing: directory not found
=== RUN   TestFileSetModTime/cache=full,open=true,write=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:05 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:05 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:05 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:05 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:05 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:05 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:05 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:05 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:05 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:05 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:05 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:05.812590 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:05.812616 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:05 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:05 DEBUG : Looking for writers
2026/04/13 01:53:05 DEBUG : >WaitForWriters: 
2026/04/13 01:53:05 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:05 ERROR : error listing: directory not found
--- FAIL: TestFileSetModTime (3.48s)
    --- FAIL: TestFileSetModTime/cache=off,open=false,write=false (0.52s)
    --- FAIL: TestFileSetModTime/cache=off,open=true,write=false (0.55s)
    --- FAIL: TestFileSetModTime/cache=off,open=true,write=true (0.50s)
    --- FAIL: TestFileSetModTime/cache=full,open=false,write=false (0.51s)
    --- FAIL: TestFileSetModTime/cache=full,open=true,write=false (0.86s)
    --- FAIL: TestFileSetModTime/cache=full,open=true,write=true (0.54s)
=== RUN   TestFileOpenRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:05 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:05 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:06.302402 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:06.302487 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:06 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:06 DEBUG : Looking for writers
2026/04/13 01:53:06 DEBUG : >WaitForWriters: 
2026/04/13 01:53:06 ERROR : error listing: directory not found
--- FAIL: TestFileOpenRead (0.42s)
=== RUN   TestFileOpenWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:06 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:06 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:06.674517 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:06.674540 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:06 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:06 DEBUG : Looking for writers
2026/04/13 01:53:06 DEBUG : >WaitForWriters: 
2026/04/13 01:53:06 ERROR : error listing: directory not found
--- FAIL: TestFileOpenWrite (0.38s)
=== RUN   TestFileRemove
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:06 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:06 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:07.274884 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:07.277191 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:07 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:07 DEBUG : Looking for writers
2026/04/13 01:53:07 DEBUG : >WaitForWriters: 
2026/04/13 01:53:07 ERROR : error listing: directory not found
--- FAIL: TestFileRemove (0.62s)
=== RUN   TestFileRemoveAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:07 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:07 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:07.928819 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:07.928844 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:07 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:07 DEBUG : Looking for writers
2026/04/13 01:53:07 DEBUG : >WaitForWriters: 
2026/04/13 01:53:08 ERROR : error listing: directory not found
--- FAIL: TestFileRemoveAll (0.67s)
=== RUN   TestFileOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:08 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:08 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:08.385707 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:08.385819 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:08 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:08 DEBUG : Looking for writers
2026/04/13 01:53:08 DEBUG : >WaitForWriters: 
2026/04/13 01:53:08 ERROR : error listing: directory not found
--- FAIL: TestFileOpen (0.43s)
=== RUN   TestFileRename
=== RUN   TestFileRename/off,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:08 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:08 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:08.788470 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:08.788490 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:08 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:08 DEBUG : Looking for writers
2026/04/13 01:53:08 DEBUG : >WaitForWriters: 
2026/04/13 01:53:08 ERROR : error listing: directory not found
=== RUN   TestFileRename/minimal,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:08 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:08 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:08 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:08 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:08 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:08 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:08 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:08 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:08 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:08 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:08 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:08 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:09.310320 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:09.310546 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:09 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:09 DEBUG : Looking for writers
2026/04/13 01:53:09 DEBUG : >WaitForWriters: 
2026/04/13 01:53:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:09 ERROR : error listing: directory not found
=== RUN   TestFileRename/minimal,forceCache=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:09 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:09 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:09 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:09 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:09 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:09 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:09 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:09 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:09 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:09.677667 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:09.677709 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:09 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:09 DEBUG : Looking for writers
2026/04/13 01:53:09 DEBUG : >WaitForWriters: 
2026/04/13 01:53:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:09 ERROR : error listing: directory not found
=== RUN   TestFileRename/writes,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:09 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:09 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:09 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:09 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:09 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:09 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:09 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:09 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:10.134329 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:10.134357 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:10 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:10 DEBUG : Looking for writers
2026/04/13 01:53:10 DEBUG : >WaitForWriters: 
2026/04/13 01:53:10 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:10 ERROR : error listing: directory not found
=== RUN   TestFileRename/writes,forceCache=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:10 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:10 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:10 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:10 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:10 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:10 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:10 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:10 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:10 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:10 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:10 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:10.808620 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:10.808646 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:10 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:10 DEBUG : Looking for writers
2026/04/13 01:53:10 DEBUG : >WaitForWriters: 
2026/04/13 01:53:10 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:10 ERROR : error listing: directory not found
=== RUN   TestFileRename/full,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:10 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:10 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:10 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:10 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:10 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:10 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:10 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:10 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:10 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:10 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:10 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:11.200354 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:11.200374 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:11 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:11 DEBUG : Looking for writers
2026/04/13 01:53:11 DEBUG : >WaitForWriters: 
2026/04/13 01:53:11 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:11 ERROR : error listing: directory not found
--- FAIL: TestFileRename (2.86s)
    --- FAIL: TestFileRename/off,forceCache=false (0.43s)
    --- FAIL: TestFileRename/minimal,forceCache=false (0.46s)
    --- FAIL: TestFileRename/minimal,forceCache=true (0.40s)
    --- FAIL: TestFileRename/writes,forceCache=false (0.45s)
    --- FAIL: TestFileRename/writes,forceCache=true (0.65s)
    --- FAIL: TestFileRename/full,forceCache=false (0.46s)
=== RUN   TestReadFileHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:11 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:11 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:11.655700 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:11.655718 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:11 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:11 DEBUG : Looking for writers
2026/04/13 01:53:11 DEBUG : >WaitForWriters: 
2026/04/13 01:53:11 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleMethods (0.40s)
=== RUN   TestReadFileHandleSeek
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:11 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:11 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:12.091681 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:12.091703 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:12 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:12 DEBUG : Looking for writers
2026/04/13 01:53:12 DEBUG : >WaitForWriters: 
2026/04/13 01:53:12 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleSeek (0.44s)
=== RUN   TestReadFileHandleReadAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:12 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:12 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:12.605182 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:12.605200 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:12 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:12 DEBUG : Looking for writers
2026/04/13 01:53:12 DEBUG : >WaitForWriters: 
2026/04/13 01:53:12 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleReadAt (0.48s)
=== RUN   TestReadFileHandleFlush
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:12 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:12 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:12.932821 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:12.932846 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:12 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:12 DEBUG : Looking for writers
2026/04/13 01:53:12 DEBUG : >WaitForWriters: 
2026/04/13 01:53:13 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleFlush (0.35s)
=== RUN   TestReadFileHandleRelease
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:13 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:13 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:53:13.529439 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:13.529461 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:13 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:13 DEBUG : Looking for writers
2026/04/13 01:53:13 DEBUG : >WaitForWriters: 
2026/04/13 01:53:13 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleRelease (0.59s)
=== RUN   TestRWFileHandleMethodsRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:13 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:13 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:13 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:13 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:13 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:13 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:13 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:13 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:13 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:13 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:13 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:13.946363 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:13.946387 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:13 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:13 DEBUG : Looking for writers
2026/04/13 01:53:13 DEBUG : >WaitForWriters: 
2026/04/13 01:53:13 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:14 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleMethodsRead (0.42s)
=== RUN   TestRWFileHandleSeek
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:14 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:14 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:14 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:14 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:14 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:14.370900 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:14.370981 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:14 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:14 DEBUG : Looking for writers
2026/04/13 01:53:14 DEBUG : >WaitForWriters: 
2026/04/13 01:53:14 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:14 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSeek (0.41s)
=== RUN   TestRWFileHandleReadAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:14 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:14 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:14 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:14 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:14 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:14.736406 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:14.736425 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:14 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:14 DEBUG : Looking for writers
2026/04/13 01:53:14 DEBUG : >WaitForWriters: 
2026/04/13 01:53:14 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:14 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleReadAt (0.36s)
=== RUN   TestRWFileHandleFlushRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:14 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:14 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:14 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:14 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:14 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:14 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:15.098418 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:15.098445 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:15 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:15 DEBUG : Looking for writers
2026/04/13 01:53:15 DEBUG : >WaitForWriters: 
2026/04/13 01:53:15 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:15 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleFlushRead (0.36s)
=== RUN   TestRWFileHandleReleaseRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:15 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:15 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:15 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:15 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:15 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:15 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:15 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:15 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:15 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:15 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:15 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:15.486588 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:15.486610 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:15 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:15 DEBUG : Looking for writers
2026/04/13 01:53:15 DEBUG : >WaitForWriters: 
2026/04/13 01:53:15 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:53:15 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleReleaseRead (0.39s)
=== RUN   TestRWFileHandleMethodsWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:53:15 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:53:15 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:53:15 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:15 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:15 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:15 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:15 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:15 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:15 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:53:15 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:53:15 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:53:15 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:53:15 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:53:15 DEBUG : file1: newRWFileHandle: 
2026/04/13 01:53:15 DEBUG : file1(0x13d524f6fb80): openPending: 
2026/04/13 01:53:15 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/04/13 01:53:15 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:53:15 DEBUG : file1(0x13d524f6fb80): >openPending: err=<nil>
2026/04/13 01:53:15 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/04/13 01:53:15 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:53:15 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/04/13 01:53:15 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/04/13 01:53:15 DEBUG : file1(0x13d524f6fb80): _writeAt: size=5, off=0
2026/04/13 01:53:15 DEBUG : file1(0x13d524f6fb80): >_writeAt: n=5, err=<nil>
2026/04/13 01:53:15 DEBUG : file1(0x13d524f6fb80): _writeAt: size=7, off=5
2026/04/13 01:53:15 DEBUG : file1(0x13d524f6fb80): >_writeAt: n=7, err=<nil>
2026/04/13 01:53:15 DEBUG : file1: vfs cache: truncate to size=11
2026/04/13 01:53:15 DEBUG : file1(0x13d524f6fb80): close: 
2026/04/13 01:53:15 DEBUG : file1: vfs cache: setting modification time to 2026-04-13 01:53:15.674488211 +0000 UTC m=+23.886920967
2026/04/13 01:53:15 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/04/13 01:53:15 DEBUG : file1(0x13d524f6fb80): >close: err=<nil>
2026/04/13 01:53:15 DEBUG : file1(0x13d524f6fb80): close: 
2026/04/13 01:53:15 DEBUG : file1(0x13d524f6fb80): >close: err=file already closed
2026/04/13 01:53:15 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:15 DEBUG : Looking for writers
2026/04/13 01:53:15 DEBUG : file1: reading active writers
2026/04/13 01:53:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/04/13 01:53:15 DEBUG : Looking for writers
2026/04/13 01:53:15 DEBUG : file1: reading active writers
2026/04/13 01:53:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/04/13 01:53:15 DEBUG : Looking for writers
2026/04/13 01:53:15 DEBUG : file1: reading active writers
2026/04/13 01:53:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/04/13 01:53:15 DEBUG : Looking for writers
2026/04/13 01:53:15 DEBUG : file1: reading active writers
2026/04/13 01:53:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/04/13 01:53:15 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:53:15 DEBUG : Looking for writers
2026/04/13 01:53:15 DEBUG : file1: reading active writers
2026/04/13 01:53:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/04/13 01:53:15 DEBUG : Looking for writers
2026/04/13 01:53:15 DEBUG : file1: reading active writers
2026/04/13 01:53:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/04/13 01:53:16 DEBUG : Looking for writers
2026/04/13 01:53:16 DEBUG : file1: reading active writers
2026/04/13 01:53:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/04/13 01:53:16.339274 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:16.339291 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:16 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:16 ERROR : file1: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:16 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:53:16 DEBUG : Looking for writers
2026/04/13 01:53:16 DEBUG : file1: reading active writers
2026/04/13 01:53:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:16.956307 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:16.956336 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:16 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:16 ERROR : file1: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:17 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:53:17.759429 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:17.759446 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:17 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:17 ERROR : file1: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:17 DEBUG : Looking for writers
2026/04/13 01:53:17 DEBUG : file1: reading active writers
2026/04/13 01:53:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:18 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:53:18 DEBUG : Looking for writers
2026/04/13 01:53:18 DEBUG : file1: reading active writers
2026/04/13 01:53:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:19.309521 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:19.309549 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:19 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:19 ERROR : file1: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:19 DEBUG : Looking for writers
2026/04/13 01:53:19 DEBUG : file1: reading active writers
2026/04/13 01:53:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:20 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:53:20 DEBUG : Looking for writers
2026/04/13 01:53:20 DEBUG : file1: reading active writers
2026/04/13 01:53:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:21.320579 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:21.320596 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:21 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:21 ERROR : file1: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:21 DEBUG : Looking for writers
2026/04/13 01:53:21 DEBUG : file1: reading active writers
2026/04/13 01:53:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:22 DEBUG : Looking for writers
2026/04/13 01:53:22 DEBUG : file1: reading active writers
2026/04/13 01:53:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:23 DEBUG : Looking for writers
2026/04/13 01:53:23 DEBUG : file1: reading active writers
2026/04/13 01:53:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:24 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:53:24 DEBUG : Looking for writers
2026/04/13 01:53:24 DEBUG : file1: reading active writers
2026/04/13 01:53:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:25.066254 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:25.066276 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:25 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:25 ERROR : file1: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:25 DEBUG : Looking for writers
2026/04/13 01:53:25 DEBUG : file1: reading active writers
2026/04/13 01:53:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:26 DEBUG : Looking for writers
2026/04/13 01:53:26 DEBUG : file1: reading active writers
2026/04/13 01:53:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:27 DEBUG : Looking for writers
2026/04/13 01:53:27 DEBUG : file1: reading active writers
2026/04/13 01:53:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:28 DEBUG : Looking for writers
2026/04/13 01:53:28 DEBUG : file1: reading active writers
2026/04/13 01:53:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:29 DEBUG : Looking for writers
2026/04/13 01:53:29 DEBUG : file1: reading active writers
2026/04/13 01:53:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:30 DEBUG : Looking for writers
2026/04/13 01:53:30 DEBUG : file1: reading active writers
2026/04/13 01:53:30 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:31 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:53:31.903817 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:31.903837 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:31 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:31 ERROR : file1: vfs cache: failed to upload try #7, will retry in 12.8s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:31 DEBUG : Looking for writers
2026/04/13 01:53:31 DEBUG : file1: reading active writers
2026/04/13 01:53:31 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:32 DEBUG : Looking for writers
2026/04/13 01:53:32 DEBUG : file1: reading active writers
2026/04/13 01:53:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:33 DEBUG : Looking for writers
2026/04/13 01:53:33 DEBUG : file1: reading active writers
2026/04/13 01:53:33 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:34 DEBUG : Looking for writers
2026/04/13 01:53:34 DEBUG : file1: reading active writers
2026/04/13 01:53:34 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:35 DEBUG : Looking for writers
2026/04/13 01:53:35 DEBUG : file1: reading active writers
2026/04/13 01:53:35 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:36 DEBUG : Looking for writers
2026/04/13 01:53:36 DEBUG : file1: reading active writers
2026/04/13 01:53:36 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:37 DEBUG : Looking for writers
2026/04/13 01:53:37 DEBUG : file1: reading active writers
2026/04/13 01:53:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:38 DEBUG : Looking for writers
2026/04/13 01:53:38 DEBUG : file1: reading active writers
2026/04/13 01:53:38 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:39 DEBUG : Looking for writers
2026/04/13 01:53:39 DEBUG : file1: reading active writers
2026/04/13 01:53:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:40 DEBUG : Looking for writers
2026/04/13 01:53:40 DEBUG : file1: reading active writers
2026/04/13 01:53:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:41 DEBUG : Looking for writers
2026/04/13 01:53:41 DEBUG : file1: reading active writers
2026/04/13 01:53:41 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:42 DEBUG : Looking for writers
2026/04/13 01:53:42 DEBUG : file1: reading active writers
2026/04/13 01:53:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:43 DEBUG : Looking for writers
2026/04/13 01:53:43 DEBUG : file1: reading active writers
2026/04/13 01:53:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:44 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:53:44 DEBUG : Looking for writers
2026/04/13 01:53:44 DEBUG : file1: reading active writers
2026/04/13 01:53:44 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:45.076339 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:53:45.076409 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:45 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:45 ERROR : file1: vfs cache: failed to upload try #8, will retry in 25.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:53:45 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0x13d5253bf680 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x13d525613568 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:21806176089504} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010470854328311699 ext:23886920967 loc:0x469f880} ATime:{wall:14010470854328324103 ext:23886933371 loc:0x469f880} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
}
2026/04/13 01:53:45 DEBUG : >WaitForWriters: 
2026/04/13 01:53:45 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/04/13 01:53:46 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/04/13 01:53:49 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:337
        	Error:      	Should be true
        	Test:       	TestRWFileHandleMethodsWrite
        	Messages:   	listing wrong, want
        	            	  file1 (11) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:337
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestRWFileHandleMethodsWrite
        	Messages:   	1 objects not found
2026/04/13 01:53:53 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:53:53 DEBUG : Looking for writers
2026/04/13 01:53:53 DEBUG : file1: reading active writers
2026/04/13 01:53:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/04/13 01:53:53 DEBUG : Looking for writers
2026/04/13 01:53:53 DEBUG : file1: reading active writers
2026/04/13 01:53:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/04/13 01:53:53 DEBUG : Looking for writers
2026/04/13 01:53:53 DEBUG : file1: reading active writers
2026/04/13 01:53:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/04/13 01:53:53 DEBUG : Looking for writers
2026/04/13 01:53:53 DEBUG : file1: reading active writers
2026/04/13 01:53:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/04/13 01:53:53 DEBUG : Looking for writers
2026/04/13 01:53:53 DEBUG : file1: reading active writers
2026/04/13 01:53:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/04/13 01:53:53 DEBUG : Looking for writers
2026/04/13 01:53:53 DEBUG : file1: reading active writers
2026/04/13 01:53:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/04/13 01:53:53 DEBUG : Looking for writers
2026/04/13 01:53:53 DEBUG : file1: reading active writers
2026/04/13 01:53:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/04/13 01:53:54 DEBUG : Looking for writers
2026/04/13 01:53:54 DEBUG : file1: reading active writers
2026/04/13 01:53:54 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:55 DEBUG : Looking for writers
2026/04/13 01:53:55 DEBUG : file1: reading active writers
2026/04/13 01:53:55 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:56 DEBUG : Looking for writers
2026/04/13 01:53:56 DEBUG : file1: reading active writers
2026/04/13 01:53:56 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:57 DEBUG : Looking for writers
2026/04/13 01:53:57 DEBUG : file1: reading active writers
2026/04/13 01:53:57 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:58 DEBUG : Looking for writers
2026/04/13 01:53:58 DEBUG : file1: reading active writers
2026/04/13 01:53:58 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:53:59 DEBUG : Looking for writers
2026/04/13 01:53:59 DEBUG : file1: reading active writers
2026/04/13 01:53:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:00 DEBUG : Looking for writers
2026/04/13 01:54:00 DEBUG : file1: reading active writers
2026/04/13 01:54:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:01 DEBUG : Looking for writers
2026/04/13 01:54:01 DEBUG : file1: reading active writers
2026/04/13 01:54:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:02 DEBUG : Looking for writers
2026/04/13 01:54:02 DEBUG : file1: reading active writers
2026/04/13 01:54:02 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:03 DEBUG : Looking for writers
2026/04/13 01:54:03 DEBUG : file1: reading active writers
2026/04/13 01:54:03 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:04 DEBUG : Looking for writers
2026/04/13 01:54:04 DEBUG : file1: reading active writers
2026/04/13 01:54:04 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:05 DEBUG : Looking for writers
2026/04/13 01:54:05 DEBUG : file1: reading active writers
2026/04/13 01:54:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:06 DEBUG : Looking for writers
2026/04/13 01:54:06 DEBUG : file1: reading active writers
2026/04/13 01:54:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:07 DEBUG : Looking for writers
2026/04/13 01:54:07 DEBUG : file1: reading active writers
2026/04/13 01:54:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:08 DEBUG : Looking for writers
2026/04/13 01:54:08 DEBUG : file1: reading active writers
2026/04/13 01:54:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:09 DEBUG : Looking for writers
2026/04/13 01:54:09 DEBUG : file1: reading active writers
2026/04/13 01:54:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:10 DEBUG : Looking for writers
2026/04/13 01:54:10 DEBUG : file1: reading active writers
2026/04/13 01:54:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:10 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:54:11.243231 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:54:11.243251 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:11 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:11 ERROR : file1: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:11 DEBUG : Looking for writers
2026/04/13 01:54:11 DEBUG : file1: reading active writers
2026/04/13 01:54:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:12 DEBUG : Looking for writers
2026/04/13 01:54:12 DEBUG : file1: reading active writers
2026/04/13 01:54:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:13 DEBUG : Looking for writers
2026/04/13 01:54:13 DEBUG : file1: reading active writers
2026/04/13 01:54:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:14 DEBUG : Looking for writers
2026/04/13 01:54:14 DEBUG : file1: reading active writers
2026/04/13 01:54:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:15 DEBUG : Looking for writers
2026/04/13 01:54:15 DEBUG : file1: reading active writers
2026/04/13 01:54:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:15 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/04/13 01:54:15 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 1 (was 1) in use 1, to upload 1, uploading 0, total size 11 (was 11)
2026/04/13 01:54:16 DEBUG : Looking for writers
2026/04/13 01:54:16 DEBUG : file1: reading active writers
2026/04/13 01:54:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:17 DEBUG : Looking for writers
2026/04/13 01:54:17 DEBUG : file1: reading active writers
2026/04/13 01:54:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:18 DEBUG : Looking for writers
2026/04/13 01:54:18 DEBUG : file1: reading active writers
2026/04/13 01:54:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:19 DEBUG : Looking for writers
2026/04/13 01:54:19 DEBUG : file1: reading active writers
2026/04/13 01:54:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:20 DEBUG : Looking for writers
2026/04/13 01:54:20 DEBUG : file1: reading active writers
2026/04/13 01:54:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:21 DEBUG : Looking for writers
2026/04/13 01:54:21 DEBUG : file1: reading active writers
2026/04/13 01:54:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:22 DEBUG : Looking for writers
2026/04/13 01:54:22 DEBUG : file1: reading active writers
2026/04/13 01:54:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:23 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0x13d5253bf680 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x13d525613568 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:21806176089504} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010470854328311699 ext:23886920967 loc:0x469f880} ATime:{wall:14010470854328324103 ext:23886933371 loc:0x469f880} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
}
2026/04/13 01:54:23 DEBUG : >WaitForWriters: 
2026/04/13 01:54:23 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:54:23 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleMethodsWrite (67.56s)
=== RUN   TestRWFileHandleWriteAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:54:23 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:54:23 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:54:23 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:54:23 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:54:23 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:54:23 DEBUG : Config file has changed externally - reloading
2026/04/13 01:54:23 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:54:23 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:54:23 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:54:23 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:54:23 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:54:23 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:54:23 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:54:23 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:54:23 DEBUG : file1: newRWFileHandle: 
2026/04/13 01:54:23 DEBUG : file1(0x13d5253573c0): openPending: 
2026/04/13 01:54:23 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/04/13 01:54:23 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:54:23 DEBUG : file1(0x13d5253573c0): >openPending: err=<nil>
2026/04/13 01:54:23 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/04/13 01:54:23 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:54:23 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/04/13 01:54:23 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/04/13 01:54:23 DEBUG : file1(0x13d5253573c0): _writeAt: size=7, off=0
2026/04/13 01:54:23 DEBUG : file1(0x13d5253573c0): >_writeAt: n=7, err=<nil>
2026/04/13 01:54:23 DEBUG : file1(0x13d5253573c0): _writeAt: size=6, off=5
2026/04/13 01:54:23 DEBUG : file1(0x13d5253573c0): >_writeAt: n=6, err=<nil>
2026/04/13 01:54:23 DEBUG : file1(0x13d5253573c0): close: 
2026/04/13 01:54:23 DEBUG : file1: vfs cache: setting modification time to 2026-04-13 01:54:23.205751571 +0000 UTC m=+91.418184327
2026/04/13 01:54:23 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/04/13 01:54:23 DEBUG : file1(0x13d5253573c0): >close: err=<nil>
2026/04/13 01:54:23 DEBUG : file1(0x13d5253573c0): _writeAt: size=5, off=0
2026/04/13 01:54:23 DEBUG : file1(0x13d5253573c0): >_writeAt: n=0, err=file already closed
2026/04/13 01:54:23 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:54:23 DEBUG : Looking for writers
2026/04/13 01:54:23 DEBUG : file1: reading active writers
2026/04/13 01:54:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/04/13 01:54:23 DEBUG : Looking for writers
2026/04/13 01:54:23 DEBUG : file1: reading active writers
2026/04/13 01:54:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/04/13 01:54:23 DEBUG : Looking for writers
2026/04/13 01:54:23 DEBUG : file1: reading active writers
2026/04/13 01:54:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/04/13 01:54:23 DEBUG : Looking for writers
2026/04/13 01:54:23 DEBUG : file1: reading active writers
2026/04/13 01:54:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/04/13 01:54:23 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:54:23 DEBUG : Looking for writers
2026/04/13 01:54:23 DEBUG : file1: reading active writers
2026/04/13 01:54:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/04/13 01:54:23 DEBUG : Looking for writers
2026/04/13 01:54:23 DEBUG : file1: reading active writers
2026/04/13 01:54:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/04/13 01:54:23.815661 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:54:23.815689 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:23 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:23 ERROR : file1: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:23 DEBUG : Looking for writers
2026/04/13 01:54:23 DEBUG : file1: reading active writers
2026/04/13 01:54:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/04/13 01:54:24 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:54:24.425144 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:54:24.425210 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:24 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:24 ERROR : file1: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:24 DEBUG : Looking for writers
2026/04/13 01:54:24 DEBUG : file1: reading active writers
2026/04/13 01:54:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:24 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:54:25.332730 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:54:25.332803 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:25 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:25 ERROR : file1: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:25 DEBUG : Looking for writers
2026/04/13 01:54:25 DEBUG : file1: reading active writers
2026/04/13 01:54:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:26 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:54:26 DEBUG : Looking for writers
2026/04/13 01:54:26 DEBUG : file1: reading active writers
2026/04/13 01:54:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:27.309648 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:54:27.309685 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:27 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:27 ERROR : file1: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:27 DEBUG : Looking for writers
2026/04/13 01:54:27 DEBUG : file1: reading active writers
2026/04/13 01:54:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:28 DEBUG : Looking for writers
2026/04/13 01:54:28 DEBUG : file1: reading active writers
2026/04/13 01:54:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:28 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:54:29.294592 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:54:29.294683 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:29 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:29 ERROR : file1: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:29 DEBUG : Looking for writers
2026/04/13 01:54:29 DEBUG : file1: reading active writers
2026/04/13 01:54:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:30 DEBUG : Looking for writers
2026/04/13 01:54:30 DEBUG : file1: reading active writers
2026/04/13 01:54:30 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:31 DEBUG : Looking for writers
2026/04/13 01:54:31 DEBUG : file1: reading active writers
2026/04/13 01:54:31 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:32 DEBUG : Looking for writers
2026/04/13 01:54:32 DEBUG : file1: reading active writers
2026/04/13 01:54:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:32 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:54:32.861064 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:54:32.861131 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:32 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:32 ERROR : file1: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:33 DEBUG : Looking for writers
2026/04/13 01:54:33 DEBUG : file1: reading active writers
2026/04/13 01:54:33 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:34 DEBUG : Looking for writers
2026/04/13 01:54:34 DEBUG : file1: reading active writers
2026/04/13 01:54:34 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:35 DEBUG : Looking for writers
2026/04/13 01:54:35 DEBUG : file1: reading active writers
2026/04/13 01:54:35 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:36 DEBUG : Looking for writers
2026/04/13 01:54:36 DEBUG : file1: reading active writers
2026/04/13 01:54:36 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:37 DEBUG : Looking for writers
2026/04/13 01:54:37 DEBUG : file1: reading active writers
2026/04/13 01:54:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:38 DEBUG : Looking for writers
2026/04/13 01:54:38 DEBUG : file1: reading active writers
2026/04/13 01:54:38 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:39 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:54:39 DEBUG : Looking for writers
2026/04/13 01:54:39 DEBUG : file1: reading active writers
2026/04/13 01:54:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:39.661314 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:54:39.661400 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:39 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:39 ERROR : file1: vfs cache: failed to upload try #7, will retry in 12.8s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:40 DEBUG : Looking for writers
2026/04/13 01:54:40 DEBUG : file1: reading active writers
2026/04/13 01:54:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:41 DEBUG : Looking for writers
2026/04/13 01:54:41 DEBUG : file1: reading active writers
2026/04/13 01:54:41 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:42 DEBUG : Looking for writers
2026/04/13 01:54:42 DEBUG : file1: reading active writers
2026/04/13 01:54:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:43 DEBUG : Looking for writers
2026/04/13 01:54:43 DEBUG : file1: reading active writers
2026/04/13 01:54:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:44 DEBUG : Looking for writers
2026/04/13 01:54:44 DEBUG : file1: reading active writers
2026/04/13 01:54:44 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:45 DEBUG : Looking for writers
2026/04/13 01:54:45 DEBUG : file1: reading active writers
2026/04/13 01:54:45 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:46 DEBUG : Looking for writers
2026/04/13 01:54:46 DEBUG : file1: reading active writers
2026/04/13 01:54:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:47 DEBUG : Looking for writers
2026/04/13 01:54:47 DEBUG : file1: reading active writers
2026/04/13 01:54:47 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:48 DEBUG : Looking for writers
2026/04/13 01:54:48 DEBUG : file1: reading active writers
2026/04/13 01:54:48 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:49 DEBUG : Looking for writers
2026/04/13 01:54:49 DEBUG : file1: reading active writers
2026/04/13 01:54:49 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:50 DEBUG : Looking for writers
2026/04/13 01:54:50 DEBUG : file1: reading active writers
2026/04/13 01:54:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:51 DEBUG : Looking for writers
2026/04/13 01:54:51 DEBUG : file1: reading active writers
2026/04/13 01:54:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:52 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:54:52 DEBUG : Looking for writers
2026/04/13 01:54:52 DEBUG : file1: reading active writers
2026/04/13 01:54:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:54:52.956147 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:54:52.956164 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:52 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:52 ERROR : file1: vfs cache: failed to upload try #8, will retry in 25.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:54:53 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0x13d524ce8e10 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x13d5256127e8 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:21806176086048} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010470926874019091 ext:91418184327 loc:0x469f880} ATime:{wall:14010470926874033008 ext:91418198243 loc:0x469f880} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
}
2026/04/13 01:54:53 DEBUG : >WaitForWriters: 
2026/04/13 01:54:53 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/04/13 01:54:54 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/04/13 01:54:56 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:387
        	Error:      	Should be true
        	Test:       	TestRWFileHandleWriteAt
        	Messages:   	listing wrong, want
        	            	  file1 (11) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:387
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestRWFileHandleWriteAt
        	Messages:   	1 objects not found
2026/04/13 01:55:00 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:55:00 DEBUG : Looking for writers
2026/04/13 01:55:00 DEBUG : file1: reading active writers
2026/04/13 01:55:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/04/13 01:55:00 DEBUG : Looking for writers
2026/04/13 01:55:00 DEBUG : file1: reading active writers
2026/04/13 01:55:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/04/13 01:55:00 DEBUG : Looking for writers
2026/04/13 01:55:00 DEBUG : file1: reading active writers
2026/04/13 01:55:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/04/13 01:55:00 DEBUG : Looking for writers
2026/04/13 01:55:00 DEBUG : file1: reading active writers
2026/04/13 01:55:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/04/13 01:55:00 DEBUG : Looking for writers
2026/04/13 01:55:00 DEBUG : file1: reading active writers
2026/04/13 01:55:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/04/13 01:55:00 DEBUG : Looking for writers
2026/04/13 01:55:00 DEBUG : file1: reading active writers
2026/04/13 01:55:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/04/13 01:55:01 DEBUG : Looking for writers
2026/04/13 01:55:01 DEBUG : file1: reading active writers
2026/04/13 01:55:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/04/13 01:55:01 DEBUG : Looking for writers
2026/04/13 01:55:01 DEBUG : file1: reading active writers
2026/04/13 01:55:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:02 DEBUG : Looking for writers
2026/04/13 01:55:02 DEBUG : file1: reading active writers
2026/04/13 01:55:02 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:03 DEBUG : Looking for writers
2026/04/13 01:55:03 DEBUG : file1: reading active writers
2026/04/13 01:55:03 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:04 DEBUG : Looking for writers
2026/04/13 01:55:04 DEBUG : file1: reading active writers
2026/04/13 01:55:04 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:05 DEBUG : Looking for writers
2026/04/13 01:55:05 DEBUG : file1: reading active writers
2026/04/13 01:55:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:06 DEBUG : Looking for writers
2026/04/13 01:55:06 DEBUG : file1: reading active writers
2026/04/13 01:55:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:07 DEBUG : Looking for writers
2026/04/13 01:55:07 DEBUG : file1: reading active writers
2026/04/13 01:55:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:08 DEBUG : Looking for writers
2026/04/13 01:55:08 DEBUG : file1: reading active writers
2026/04/13 01:55:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:09 DEBUG : Looking for writers
2026/04/13 01:55:09 DEBUG : file1: reading active writers
2026/04/13 01:55:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:10 DEBUG : Looking for writers
2026/04/13 01:55:10 DEBUG : file1: reading active writers
2026/04/13 01:55:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:11 DEBUG : Looking for writers
2026/04/13 01:55:11 DEBUG : file1: reading active writers
2026/04/13 01:55:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:12 DEBUG : Looking for writers
2026/04/13 01:55:12 DEBUG : file1: reading active writers
2026/04/13 01:55:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:13 DEBUG : Looking for writers
2026/04/13 01:55:13 DEBUG : file1: reading active writers
2026/04/13 01:55:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:14 DEBUG : Looking for writers
2026/04/13 01:55:14 DEBUG : file1: reading active writers
2026/04/13 01:55:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:15 DEBUG : Looking for writers
2026/04/13 01:55:15 DEBUG : file1: reading active writers
2026/04/13 01:55:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:16 DEBUG : Looking for writers
2026/04/13 01:55:16 DEBUG : file1: reading active writers
2026/04/13 01:55:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:17 DEBUG : Looking for writers
2026/04/13 01:55:17 DEBUG : file1: reading active writers
2026/04/13 01:55:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:18 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:55:18 DEBUG : Looking for writers
2026/04/13 01:55:18 DEBUG : file1: reading active writers
2026/04/13 01:55:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:18.983889 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:18.983910 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:18 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:18 ERROR : file1: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:19 DEBUG : Looking for writers
2026/04/13 01:55:19 DEBUG : file1: reading active writers
2026/04/13 01:55:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:20 DEBUG : Looking for writers
2026/04/13 01:55:20 DEBUG : file1: reading active writers
2026/04/13 01:55:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:21 DEBUG : Looking for writers
2026/04/13 01:55:21 DEBUG : file1: reading active writers
2026/04/13 01:55:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:22 DEBUG : Looking for writers
2026/04/13 01:55:22 DEBUG : file1: reading active writers
2026/04/13 01:55:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:23 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/04/13 01:55:23 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 1 (was 1) in use 1, to upload 1, uploading 0, total size 11 (was 11)
2026/04/13 01:55:23 DEBUG : Looking for writers
2026/04/13 01:55:23 DEBUG : file1: reading active writers
2026/04/13 01:55:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:24 DEBUG : Looking for writers
2026/04/13 01:55:24 DEBUG : file1: reading active writers
2026/04/13 01:55:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:25 DEBUG : Looking for writers
2026/04/13 01:55:25 DEBUG : file1: reading active writers
2026/04/13 01:55:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:26 DEBUG : Looking for writers
2026/04/13 01:55:26 DEBUG : file1: reading active writers
2026/04/13 01:55:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:27 DEBUG : Looking for writers
2026/04/13 01:55:27 DEBUG : file1: reading active writers
2026/04/13 01:55:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:28 DEBUG : Looking for writers
2026/04/13 01:55:28 DEBUG : file1: reading active writers
2026/04/13 01:55:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:29 DEBUG : Looking for writers
2026/04/13 01:55:29 DEBUG : file1: reading active writers
2026/04/13 01:55:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:55:30 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0x13d524ce8e10 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x13d5256127e8 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:21806176086048} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010470926874019091 ext:91418184327 loc:0x469f880} ATime:{wall:14010470926874033008 ext:91418198243 loc:0x469f880} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
}
2026/04/13 01:55:30 DEBUG : >WaitForWriters: 
2026/04/13 01:55:30 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:55:30 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleWriteAt (67.47s)
=== RUN   TestRWFileHandleWriteNoWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:55:30 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:55:30 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:55:30 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:55:30 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:55:30 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:55:30 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:55:30 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:55:30 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:55:30 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:55:30 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:55:30 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:55:30 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:55:30 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:55:30 DEBUG : file1: newRWFileHandle: 
2026/04/13 01:55:30 DEBUG : file1(0x13d5251d6f80): openPending: 
2026/04/13 01:55:30 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/04/13 01:55:30 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:55:30 DEBUG : file1(0x13d5251d6f80): >openPending: err=<nil>
2026/04/13 01:55:30 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/04/13 01:55:30 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:55:30 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/04/13 01:55:30 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/04/13 01:55:30 DEBUG : file1(0x13d5251d6f80): close: 
2026/04/13 01:55:30 DEBUG : file1: vfs cache: setting modification time to 2026-04-13 01:55:30.648887769 +0000 UTC m=+158.861320535
2026/04/13 01:55:30 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/04/13 01:55:30 DEBUG : file1(0x13d5251d6f80): >close: err=<nil>
2026/04/13 01:55:30 DEBUG : file2: OpenFile: flags=O_WRONLY|O_CREATE|O_TRUNC, perm=-rwxrwxrwx
2026/04/13 01:55:30 DEBUG : file2: Open: flags=O_WRONLY|O_CREATE|O_TRUNC
2026/04/13 01:55:30 DEBUG : file2: newRWFileHandle: 
2026/04/13 01:55:30 DEBUG : file2(0x13d5251d7440): openPending: 
2026/04/13 01:55:30 DEBUG : file2: vfs cache: truncate to size=0 (not needed as size correct)
2026/04/13 01:55:30 DEBUG : Added virtual directory entry vAddFile: "file2"
2026/04/13 01:55:30 DEBUG : file2(0x13d5251d7440): >openPending: err=<nil>
2026/04/13 01:55:30 DEBUG : file2: >newRWFileHandle: err=<nil>
2026/04/13 01:55:30 DEBUG : Added virtual directory entry vAddFile: "file2"
2026/04/13 01:55:30 DEBUG : file2: >Open: fd=file2 (rw), err=<nil>
2026/04/13 01:55:30 DEBUG : file2: >OpenFile: fd=file2 (rw), err=<nil>
2026/04/13 01:55:30 DEBUG : file2(0x13d5251d7440): RWFileHandle.Flush
2026/04/13 01:55:30 DEBUG : file2(0x13d5251d7440): RWFileHandle.Release
2026/04/13 01:55:30 DEBUG : file2(0x13d5251d7440): close: 
2026/04/13 01:55:30 DEBUG : file2: vfs cache: setting modification time to 2026-04-13 01:55:30.650178298 +0000 UTC m=+158.862611055
2026/04/13 01:55:30 INFO  : file2: vfs cache: queuing for upload in 100ms
2026/04/13 01:55:30 DEBUG : file2(0x13d5251d7440): >close: err=<nil>
2026/04/13 01:55:30 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:55:30 DEBUG : Looking for writers
2026/04/13 01:55:30 DEBUG : file2: reading active writers
2026/04/13 01:55:30 DEBUG : file1: reading active writers
2026/04/13 01:55:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 10ms
2026/04/13 01:55:30 DEBUG : Looking for writers
2026/04/13 01:55:30 DEBUG : file1: reading active writers
2026/04/13 01:55:30 DEBUG : file2: reading active writers
2026/04/13 01:55:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 20ms
2026/04/13 01:55:30 DEBUG : Looking for writers
2026/04/13 01:55:30 DEBUG : file1: reading active writers
2026/04/13 01:55:30 DEBUG : file2: reading active writers
2026/04/13 01:55:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 40ms
2026/04/13 01:55:30 DEBUG : Looking for writers
2026/04/13 01:55:30 DEBUG : file1: reading active writers
2026/04/13 01:55:30 DEBUG : file2: reading active writers
2026/04/13 01:55:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 80ms
2026/04/13 01:55:30 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:55:30 DEBUG : file2: vfs cache: starting upload
2026/04/13 01:55:30 DEBUG : Looking for writers
2026/04/13 01:55:30 DEBUG : file1: reading active writers
2026/04/13 01:55:30 DEBUG : file2: reading active writers
2026/04/13 01:55:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 160ms
2026/04/13 01:55:30 DEBUG : Looking for writers
2026/04/13 01:55:30 DEBUG : file1: reading active writers
2026/04/13 01:55:30 DEBUG : file2: reading active writers
2026/04/13 01:55:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 320ms
2026/04/13 01:55:31.094134 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:31.094157 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:31 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:31 ERROR : file1: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:31 DEBUG : Looking for writers
2026/04/13 01:55:31 DEBUG : file1: reading active writers
2026/04/13 01:55:31 DEBUG : file2: reading active writers
2026/04/13 01:55:31 DEBUG : Still 0 writers active and 2 cache items in use, waiting 640ms
2026/04/13 01:55:31 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:55:31.524175 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:31.524196 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:31 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:31 ERROR : file2: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:31 DEBUG : file2: vfs cache: starting upload
2026/04/13 01:55:31.889552 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:31.889572 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:31 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:31 ERROR : file1: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:31 DEBUG : Looking for writers
2026/04/13 01:55:31 DEBUG : file1: reading active writers
2026/04/13 01:55:31 DEBUG : file2: reading active writers
2026/04/13 01:55:31 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:32 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:55:32.589299 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:32.589311 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:32 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:32 ERROR : file2: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:32 DEBUG : Looking for writers
2026/04/13 01:55:32 DEBUG : file1: reading active writers
2026/04/13 01:55:32 DEBUG : file2: reading active writers
2026/04/13 01:55:32 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:32.940473 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:32.940489 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:32 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:32 ERROR : file1: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:32 DEBUG : file2: vfs cache: starting upload
2026/04/13 01:55:33.328137 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:33.328157 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:33 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:33 ERROR : file2: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:33 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:55:33 DEBUG : Looking for writers
2026/04/13 01:55:33 DEBUG : file1: reading active writers
2026/04/13 01:55:33 DEBUG : file2: reading active writers
2026/04/13 01:55:33 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:34.115041 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:34.115060 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:34 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:34 ERROR : file1: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:34 DEBUG : file2: vfs cache: starting upload
2026/04/13 01:55:34.516373 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:34.516397 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:34 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:34 ERROR : file2: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:34 DEBUG : Looking for writers
2026/04/13 01:55:34 DEBUG : file1: reading active writers
2026/04/13 01:55:34 DEBUG : file2: reading active writers
2026/04/13 01:55:34 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:35 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:55:35 DEBUG : Looking for writers
2026/04/13 01:55:35 DEBUG : file1: reading active writers
2026/04/13 01:55:35 DEBUG : file2: reading active writers
2026/04/13 01:55:35 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:36.087012 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:36.087055 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:36 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:36 ERROR : file1: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:36 DEBUG : file2: vfs cache: starting upload
2026/04/13 01:55:36.466270 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:36.466647 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:36 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:36 ERROR : file2: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:36 DEBUG : Looking for writers
2026/04/13 01:55:36 DEBUG : file1: reading active writers
2026/04/13 01:55:36 DEBUG : file2: reading active writers
2026/04/13 01:55:36 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:37 DEBUG : Looking for writers
2026/04/13 01:55:37 DEBUG : file1: reading active writers
2026/04/13 01:55:37 DEBUG : file2: reading active writers
2026/04/13 01:55:37 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:38 DEBUG : Looking for writers
2026/04/13 01:55:38 DEBUG : file1: reading active writers
2026/04/13 01:55:38 DEBUG : file2: reading active writers
2026/04/13 01:55:38 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:39 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:55:39 DEBUG : file2: vfs cache: starting upload
2026/04/13 01:55:39.724406 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:39.724425 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:39 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:39 ERROR : file1: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:39 DEBUG : Looking for writers
2026/04/13 01:55:39 DEBUG : file1: reading active writers
2026/04/13 01:55:39 DEBUG : file2: reading active writers
2026/04/13 01:55:39 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:40.107857 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:40.107879 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:40 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:40 ERROR : file2: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:40 DEBUG : Looking for writers
2026/04/13 01:55:40 DEBUG : file1: reading active writers
2026/04/13 01:55:40 DEBUG : file2: reading active writers
2026/04/13 01:55:40 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:41 DEBUG : Looking for writers
2026/04/13 01:55:41 DEBUG : file1: reading active writers
2026/04/13 01:55:41 DEBUG : file2: reading active writers
2026/04/13 01:55:41 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:42 DEBUG : Looking for writers
2026/04/13 01:55:42 DEBUG : file1: reading active writers
2026/04/13 01:55:42 DEBUG : file2: reading active writers
2026/04/13 01:55:42 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:43 DEBUG : Looking for writers
2026/04/13 01:55:43 DEBUG : file1: reading active writers
2026/04/13 01:55:43 DEBUG : file2: reading active writers
2026/04/13 01:55:43 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:44 DEBUG : Looking for writers
2026/04/13 01:55:44 DEBUG : file1: reading active writers
2026/04/13 01:55:44 DEBUG : file2: reading active writers
2026/04/13 01:55:44 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:45 DEBUG : Looking for writers
2026/04/13 01:55:45 DEBUG : file1: reading active writers
2026/04/13 01:55:45 DEBUG : file2: reading active writers
2026/04/13 01:55:45 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:46 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:55:46 DEBUG : file2: vfs cache: starting upload
2026/04/13 01:55:46.512529 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:46.512549 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:46 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:46 ERROR : file1: vfs cache: failed to upload try #7, will retry in 12.8s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:46 DEBUG : Looking for writers
2026/04/13 01:55:46 DEBUG : file1: reading active writers
2026/04/13 01:55:46 DEBUG : file2: reading active writers
2026/04/13 01:55:46 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:46.984939 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:46.984961 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:46 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:46 ERROR : file2: vfs cache: failed to upload try #7, will retry in 12.8s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:47 DEBUG : Looking for writers
2026/04/13 01:55:47 DEBUG : file1: reading active writers
2026/04/13 01:55:47 DEBUG : file2: reading active writers
2026/04/13 01:55:47 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:48 DEBUG : Looking for writers
2026/04/13 01:55:48 DEBUG : file1: reading active writers
2026/04/13 01:55:48 DEBUG : file2: reading active writers
2026/04/13 01:55:48 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:49 DEBUG : Looking for writers
2026/04/13 01:55:49 DEBUG : file1: reading active writers
2026/04/13 01:55:49 DEBUG : file2: reading active writers
2026/04/13 01:55:49 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:50 DEBUG : Looking for writers
2026/04/13 01:55:50 DEBUG : file1: reading active writers
2026/04/13 01:55:50 DEBUG : file2: reading active writers
2026/04/13 01:55:50 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:51 DEBUG : Looking for writers
2026/04/13 01:55:51 DEBUG : file1: reading active writers
2026/04/13 01:55:51 DEBUG : file2: reading active writers
2026/04/13 01:55:51 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:52 DEBUG : Looking for writers
2026/04/13 01:55:52 DEBUG : file2: reading active writers
2026/04/13 01:55:52 DEBUG : file1: reading active writers
2026/04/13 01:55:52 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:53 DEBUG : Looking for writers
2026/04/13 01:55:53 DEBUG : file1: reading active writers
2026/04/13 01:55:53 DEBUG : file2: reading active writers
2026/04/13 01:55:53 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:54 DEBUG : Looking for writers
2026/04/13 01:55:54 DEBUG : file1: reading active writers
2026/04/13 01:55:54 DEBUG : file2: reading active writers
2026/04/13 01:55:54 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:55 DEBUG : Looking for writers
2026/04/13 01:55:55 DEBUG : file1: reading active writers
2026/04/13 01:55:55 DEBUG : file2: reading active writers
2026/04/13 01:55:55 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:56 DEBUG : Looking for writers
2026/04/13 01:55:56 DEBUG : file1: reading active writers
2026/04/13 01:55:56 DEBUG : file2: reading active writers
2026/04/13 01:55:56 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:57 DEBUG : Looking for writers
2026/04/13 01:55:57 DEBUG : file1: reading active writers
2026/04/13 01:55:57 DEBUG : file2: reading active writers
2026/04/13 01:55:57 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:58 DEBUG : Looking for writers
2026/04/13 01:55:58 DEBUG : file1: reading active writers
2026/04/13 01:55:58 DEBUG : file2: reading active writers
2026/04/13 01:55:58 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:55:59 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:55:59.687949 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:55:59.687971 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:59 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:59 ERROR : file1: vfs cache: failed to upload try #8, will retry in 25.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:55:59 DEBUG : file2: vfs cache: starting upload
2026/04/13 01:55:59 DEBUG : Looking for writers
2026/04/13 01:55:59 DEBUG : file1: reading active writers
2026/04/13 01:55:59 DEBUG : file2: reading active writers
2026/04/13 01:55:59 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:00.147416 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:56:00.147437 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:56:00 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:56:00 ERROR : file2: vfs cache: failed to upload try #8, will retry in 25.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:56:00 ERROR : Exiting even though 0 writers active and 2 cache items in use after 30s
Cache{
	"file1": &{c:0x13d5254f1b30 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x13d5253fe6c8 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:21806173906688} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010470999257857497 ext:158861320535 loc:0x469f880} ATime:{wall:14010470999257995388 ext:158861458415 loc:0x469f880} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
	"file2": &{c:0x13d5254f1b30 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x13d5253fe908 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:21806173907264} name:file2 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010470999259148026 ext:158862611055 loc:0x469f880} ATime:{wall:14010470999259457451 ext:158862920489 loc:0x469f880} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:2 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
}
2026/04/13 01:56:00 DEBUG : >WaitForWriters: 
2026/04/13 01:56:00 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/04/13 01:56:01 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/04/13 01:56:04 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:420
        	Error:      	Should be true
        	Test:       	TestRWFileHandleWriteNoWrite
        	Messages:   	listing wrong, want
        	            	  file1 (0), file2 (0) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:203: Not found "file2"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:420
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 2
        	Test:       	TestRWFileHandleWriteNoWrite
        	Messages:   	2 objects not found
2026/04/13 01:56:08 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:56:08 DEBUG : Looking for writers
2026/04/13 01:56:08 DEBUG : file1: reading active writers
2026/04/13 01:56:08 DEBUG : file2: reading active writers
2026/04/13 01:56:08 DEBUG : Still 0 writers active and 2 cache items in use, waiting 10ms
2026/04/13 01:56:08 DEBUG : Looking for writers
2026/04/13 01:56:08 DEBUG : file1: reading active writers
2026/04/13 01:56:08 DEBUG : file2: reading active writers
2026/04/13 01:56:08 DEBUG : Still 0 writers active and 2 cache items in use, waiting 20ms
2026/04/13 01:56:08 DEBUG : Looking for writers
2026/04/13 01:56:08 DEBUG : file1: reading active writers
2026/04/13 01:56:08 DEBUG : file2: reading active writers
2026/04/13 01:56:08 DEBUG : Still 0 writers active and 2 cache items in use, waiting 40ms
2026/04/13 01:56:08 DEBUG : Looking for writers
2026/04/13 01:56:08 DEBUG : file1: reading active writers
2026/04/13 01:56:08 DEBUG : file2: reading active writers
2026/04/13 01:56:08 DEBUG : Still 0 writers active and 2 cache items in use, waiting 80ms
2026/04/13 01:56:08 DEBUG : Looking for writers
2026/04/13 01:56:08 DEBUG : file1: reading active writers
2026/04/13 01:56:08 DEBUG : file2: reading active writers
2026/04/13 01:56:08 DEBUG : Still 0 writers active and 2 cache items in use, waiting 160ms
2026/04/13 01:56:08 DEBUG : Looking for writers
2026/04/13 01:56:08 DEBUG : file1: reading active writers
2026/04/13 01:56:08 DEBUG : file2: reading active writers
2026/04/13 01:56:08 DEBUG : Still 0 writers active and 2 cache items in use, waiting 320ms
2026/04/13 01:56:08 DEBUG : Looking for writers
2026/04/13 01:56:08 DEBUG : file1: reading active writers
2026/04/13 01:56:08 DEBUG : file2: reading active writers
2026/04/13 01:56:08 DEBUG : Still 0 writers active and 2 cache items in use, waiting 640ms
2026/04/13 01:56:09 DEBUG : Looking for writers
2026/04/13 01:56:09 DEBUG : file1: reading active writers
2026/04/13 01:56:09 DEBUG : file2: reading active writers
2026/04/13 01:56:09 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:10 DEBUG : Looking for writers
2026/04/13 01:56:10 DEBUG : file1: reading active writers
2026/04/13 01:56:10 DEBUG : file2: reading active writers
2026/04/13 01:56:10 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:11 DEBUG : Looking for writers
2026/04/13 01:56:11 DEBUG : file1: reading active writers
2026/04/13 01:56:11 DEBUG : file2: reading active writers
2026/04/13 01:56:11 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:12 DEBUG : Looking for writers
2026/04/13 01:56:12 DEBUG : file1: reading active writers
2026/04/13 01:56:12 DEBUG : file2: reading active writers
2026/04/13 01:56:12 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:13 DEBUG : Looking for writers
2026/04/13 01:56:13 DEBUG : file1: reading active writers
2026/04/13 01:56:13 DEBUG : file2: reading active writers
2026/04/13 01:56:13 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:14 DEBUG : Looking for writers
2026/04/13 01:56:14 DEBUG : file1: reading active writers
2026/04/13 01:56:14 DEBUG : file2: reading active writers
2026/04/13 01:56:14 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:15 DEBUG : Looking for writers
2026/04/13 01:56:15 DEBUG : file1: reading active writers
2026/04/13 01:56:15 DEBUG : file2: reading active writers
2026/04/13 01:56:15 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:16 DEBUG : Looking for writers
2026/04/13 01:56:16 DEBUG : file2: reading active writers
2026/04/13 01:56:16 DEBUG : file1: reading active writers
2026/04/13 01:56:16 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:17 DEBUG : Looking for writers
2026/04/13 01:56:17 DEBUG : file1: reading active writers
2026/04/13 01:56:17 DEBUG : file2: reading active writers
2026/04/13 01:56:17 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:18 DEBUG : Looking for writers
2026/04/13 01:56:18 DEBUG : file1: reading active writers
2026/04/13 01:56:18 DEBUG : file2: reading active writers
2026/04/13 01:56:18 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:19 DEBUG : Looking for writers
2026/04/13 01:56:19 DEBUG : file1: reading active writers
2026/04/13 01:56:19 DEBUG : file2: reading active writers
2026/04/13 01:56:19 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:20 DEBUG : Looking for writers
2026/04/13 01:56:20 DEBUG : file1: reading active writers
2026/04/13 01:56:20 DEBUG : file2: reading active writers
2026/04/13 01:56:20 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:21 DEBUG : Looking for writers
2026/04/13 01:56:21 DEBUG : file1: reading active writers
2026/04/13 01:56:21 DEBUG : file2: reading active writers
2026/04/13 01:56:21 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:22 DEBUG : Looking for writers
2026/04/13 01:56:22 DEBUG : file1: reading active writers
2026/04/13 01:56:22 DEBUG : file2: reading active writers
2026/04/13 01:56:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:23 DEBUG : Looking for writers
2026/04/13 01:56:23 DEBUG : file1: reading active writers
2026/04/13 01:56:23 DEBUG : file2: reading active writers
2026/04/13 01:56:23 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:24 DEBUG : Looking for writers
2026/04/13 01:56:24 DEBUG : file1: reading active writers
2026/04/13 01:56:24 DEBUG : file2: reading active writers
2026/04/13 01:56:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:25 DEBUG : file1: vfs cache: starting upload
2026/04/13 01:56:25 DEBUG : Looking for writers
2026/04/13 01:56:25 DEBUG : file1: reading active writers
2026/04/13 01:56:25 DEBUG : file2: reading active writers
2026/04/13 01:56:25 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:25 DEBUG : file2: vfs cache: starting upload
2026/04/13 01:56:25.753198 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:56:25.753217 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:56:25 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:56:25 ERROR : file1: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:56:26.134409 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:56:26.134426 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:56:26 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:56:26 ERROR : file2: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:56:26 DEBUG : Looking for writers
2026/04/13 01:56:26 DEBUG : file2: reading active writers
2026/04/13 01:56:26 DEBUG : file1: reading active writers
2026/04/13 01:56:26 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:27 DEBUG : Looking for writers
2026/04/13 01:56:27 DEBUG : file2: reading active writers
2026/04/13 01:56:27 DEBUG : file1: reading active writers
2026/04/13 01:56:27 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:28 DEBUG : Looking for writers
2026/04/13 01:56:28 DEBUG : file1: reading active writers
2026/04/13 01:56:28 DEBUG : file2: reading active writers
2026/04/13 01:56:28 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:29 DEBUG : Looking for writers
2026/04/13 01:56:29 DEBUG : file1: reading active writers
2026/04/13 01:56:29 DEBUG : file2: reading active writers
2026/04/13 01:56:29 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:30 DEBUG : Looking for writers
2026/04/13 01:56:30 DEBUG : file1: reading active writers
2026/04/13 01:56:30 DEBUG : file2: reading active writers
2026/04/13 01:56:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:30 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/04/13 01:56:30 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file2 not removed, freed 0 bytes
2026/04/13 01:56:30 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 2 (was 2) in use 2, to upload 2, uploading 0, total size 0 (was 0)
2026/04/13 01:56:31 DEBUG : Looking for writers
2026/04/13 01:56:31 DEBUG : file1: reading active writers
2026/04/13 01:56:31 DEBUG : file2: reading active writers
2026/04/13 01:56:31 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:32 DEBUG : Looking for writers
2026/04/13 01:56:32 DEBUG : file1: reading active writers
2026/04/13 01:56:32 DEBUG : file2: reading active writers
2026/04/13 01:56:32 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:33 DEBUG : Looking for writers
2026/04/13 01:56:33 DEBUG : file1: reading active writers
2026/04/13 01:56:33 DEBUG : file2: reading active writers
2026/04/13 01:56:33 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:34 DEBUG : Looking for writers
2026/04/13 01:56:34 DEBUG : file1: reading active writers
2026/04/13 01:56:34 DEBUG : file2: reading active writers
2026/04/13 01:56:34 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:35 DEBUG : Looking for writers
2026/04/13 01:56:35 DEBUG : file1: reading active writers
2026/04/13 01:56:35 DEBUG : file2: reading active writers
2026/04/13 01:56:35 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:36 DEBUG : Looking for writers
2026/04/13 01:56:36 DEBUG : file1: reading active writers
2026/04/13 01:56:36 DEBUG : file2: reading active writers
2026/04/13 01:56:36 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:37 DEBUG : Looking for writers
2026/04/13 01:56:37 DEBUG : file1: reading active writers
2026/04/13 01:56:37 DEBUG : file2: reading active writers
2026/04/13 01:56:37 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/13 01:56:38 ERROR : Exiting even though 0 writers active and 2 cache items in use after 30s
Cache{
	"file1": &{c:0x13d5254f1b30 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x13d5253fe6c8 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:21806173906688} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010470999257857497 ext:158861320535 loc:0x469f880} ATime:{wall:14010470999257995388 ext:158861458415 loc:0x469f880} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
	"file2": &{c:0x13d5254f1b30 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x13d5253fe908 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:21806173907264} name:file2 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010470999259148026 ext:158862611055 loc:0x469f880} ATime:{wall:14010470999259457451 ext:158862920489 loc:0x469f880} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:2 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
}
2026/04/13 01:56:38 DEBUG : >WaitForWriters: 
2026/04/13 01:56:38 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:56:38 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleWriteNoWrite (67.52s)
=== RUN   TestRWFileHandleSizeTruncateExisting
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:56:38 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:56:38 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:56:38 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:56:38 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:56:38 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:56:38.432823 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:56:38.432845 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:56:38 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:56:38 DEBUG : Looking for writers
2026/04/13 01:56:38 DEBUG : >WaitForWriters: 
2026/04/13 01:56:38 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:56:38 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSizeTruncateExisting (0.39s)
=== RUN   TestRWFileHandleSizeCreateExisting
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:56:38 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:56:38 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:56:38 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:56:38 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:56:38 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:56:38.807450 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:56:38.807473 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:56:38 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:56:38 DEBUG : Looking for writers
2026/04/13 01:56:38 DEBUG : >WaitForWriters: 
2026/04/13 01:56:38 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:56:38 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSizeCreateExisting (0.37s)
=== RUN   TestRWFileModTimeWithOpenWriters
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:56:38 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:56:38 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:56:38 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:56:38 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:56:38 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:56:38 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:56:38 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:56:38 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:56:38 DEBUG : file1: newRWFileHandle: 
2026/04/13 01:56:38 DEBUG : file1(0x13d525357880): openPending: 
2026/04/13 01:56:38 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/04/13 01:56:38 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:56:38 DEBUG : file1(0x13d525357880): >openPending: err=<nil>
2026/04/13 01:56:38 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/04/13 01:56:38 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:56:38 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/04/13 01:56:38 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/04/13 01:56:39.393021 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:56:39.393041 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:56:39 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:56:39 DEBUG : Looking for writers
2026/04/13 01:56:39 DEBUG : file1: reading active writers
2026/04/13 01:56:39 DEBUG : file1: active writers 1
2026/04/13 01:56:39 DEBUG : Still 1 writers active and 1 cache items in use, waiting 10ms
2026/04/13 01:56:39 DEBUG : Looking for writers
2026/04/13 01:56:39 DEBUG : file1: reading active writers
2026/04/13 01:56:39 DEBUG : file1: active writers 1
2026/04/13 01:56:39 DEBUG : Still 1 writers active and 1 cache items in use, waiting 20ms
2026/04/13 01:56:39 DEBUG : Looking for writers
2026/04/13 01:56:39 DEBUG : file1: reading active writers
2026/04/13 01:56:39 DEBUG : file1: active writers 1
2026/04/13 01:56:39 DEBUG : Still 1 writers active and 1 cache items in use, waiting 40ms
2026/04/13 01:56:39 DEBUG : Looking for writers
2026/04/13 01:56:39 DEBUG : file1: reading active writers
2026/04/13 01:56:39 DEBUG : file1: active writers 1
2026/04/13 01:56:39 DEBUG : Still 1 writers active and 1 cache items in use, waiting 80ms
2026/04/13 01:56:39 DEBUG : Looking for writers
2026/04/13 01:56:39 DEBUG : file1: reading active writers
2026/04/13 01:56:39 DEBUG : file1: active writers 1
2026/04/13 01:56:39 DEBUG : Still 1 writers active and 1 cache items in use, waiting 160ms
2026/04/13 01:56:39 DEBUG : Looking for writers
2026/04/13 01:56:39 DEBUG : file1: reading active writers
2026/04/13 01:56:39 DEBUG : file1: active writers 1
2026/04/13 01:56:39 DEBUG : Still 1 writers active and 1 cache items in use, waiting 320ms
2026/04/13 01:56:40 DEBUG : Looking for writers
2026/04/13 01:56:40 DEBUG : file1: reading active writers
2026/04/13 01:56:40 DEBUG : file1: active writers 1
2026/04/13 01:56:40 DEBUG : Still 1 writers active and 1 cache items in use, waiting 640ms
2026/04/13 01:56:40 DEBUG : Looking for writers
2026/04/13 01:56:40 DEBUG : file1: reading active writers
2026/04/13 01:56:40 DEBUG : file1: active writers 1
2026/04/13 01:56:40 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:41 DEBUG : Looking for writers
2026/04/13 01:56:41 DEBUG : file1: reading active writers
2026/04/13 01:56:41 DEBUG : file1: active writers 1
2026/04/13 01:56:41 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:42 DEBUG : Looking for writers
2026/04/13 01:56:42 DEBUG : file1: reading active writers
2026/04/13 01:56:42 DEBUG : file1: active writers 1
2026/04/13 01:56:42 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:43 DEBUG : Looking for writers
2026/04/13 01:56:43 DEBUG : file1: reading active writers
2026/04/13 01:56:43 DEBUG : file1: active writers 1
2026/04/13 01:56:43 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:44 DEBUG : Looking for writers
2026/04/13 01:56:44 DEBUG : file1: reading active writers
2026/04/13 01:56:44 DEBUG : file1: active writers 1
2026/04/13 01:56:44 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:45 DEBUG : Looking for writers
2026/04/13 01:56:45 DEBUG : file1: reading active writers
2026/04/13 01:56:45 DEBUG : file1: active writers 1
2026/04/13 01:56:45 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:46 DEBUG : Looking for writers
2026/04/13 01:56:46 DEBUG : file1: reading active writers
2026/04/13 01:56:46 DEBUG : file1: active writers 1
2026/04/13 01:56:46 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:47 DEBUG : Looking for writers
2026/04/13 01:56:47 DEBUG : file1: reading active writers
2026/04/13 01:56:47 DEBUG : file1: active writers 1
2026/04/13 01:56:47 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:48 DEBUG : Looking for writers
2026/04/13 01:56:48 DEBUG : file1: reading active writers
2026/04/13 01:56:48 DEBUG : file1: active writers 1
2026/04/13 01:56:48 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:49 DEBUG : Looking for writers
2026/04/13 01:56:49 DEBUG : file1: reading active writers
2026/04/13 01:56:49 DEBUG : file1: active writers 1
2026/04/13 01:56:49 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:50 DEBUG : Looking for writers
2026/04/13 01:56:50 DEBUG : file1: reading active writers
2026/04/13 01:56:50 DEBUG : file1: active writers 1
2026/04/13 01:56:50 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:51 DEBUG : Looking for writers
2026/04/13 01:56:51 DEBUG : file1: reading active writers
2026/04/13 01:56:51 DEBUG : file1: active writers 1
2026/04/13 01:56:51 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:52 DEBUG : Looking for writers
2026/04/13 01:56:52 DEBUG : file1: reading active writers
2026/04/13 01:56:52 DEBUG : file1: active writers 1
2026/04/13 01:56:52 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:53 DEBUG : Looking for writers
2026/04/13 01:56:53 DEBUG : file1: reading active writers
2026/04/13 01:56:53 DEBUG : file1: active writers 1
2026/04/13 01:56:53 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:54 DEBUG : Looking for writers
2026/04/13 01:56:54 DEBUG : file1: reading active writers
2026/04/13 01:56:54 DEBUG : file1: active writers 1
2026/04/13 01:56:54 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:55 DEBUG : Looking for writers
2026/04/13 01:56:55 DEBUG : file1: reading active writers
2026/04/13 01:56:55 DEBUG : file1: active writers 1
2026/04/13 01:56:55 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:56 DEBUG : Looking for writers
2026/04/13 01:56:56 DEBUG : file1: reading active writers
2026/04/13 01:56:56 DEBUG : file1: active writers 1
2026/04/13 01:56:56 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:57 DEBUG : Looking for writers
2026/04/13 01:56:57 DEBUG : file1: reading active writers
2026/04/13 01:56:57 DEBUG : file1: active writers 1
2026/04/13 01:56:57 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:58 DEBUG : Looking for writers
2026/04/13 01:56:58 DEBUG : file1: reading active writers
2026/04/13 01:56:58 DEBUG : file1: active writers 1
2026/04/13 01:56:58 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:56:59 DEBUG : Looking for writers
2026/04/13 01:56:59 DEBUG : file1: reading active writers
2026/04/13 01:56:59 DEBUG : file1: active writers 1
2026/04/13 01:56:59 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:57:00 DEBUG : Looking for writers
2026/04/13 01:57:00 DEBUG : file1: reading active writers
2026/04/13 01:57:00 DEBUG : file1: active writers 1
2026/04/13 01:57:00 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:57:01 DEBUG : Looking for writers
2026/04/13 01:57:01 DEBUG : file1: reading active writers
2026/04/13 01:57:01 DEBUG : file1: active writers 1
2026/04/13 01:57:01 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:57:02 DEBUG : Looking for writers
2026/04/13 01:57:02 DEBUG : file1: reading active writers
2026/04/13 01:57:02 DEBUG : file1: active writers 1
2026/04/13 01:57:02 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:57:03 DEBUG : Looking for writers
2026/04/13 01:57:03 DEBUG : file1: reading active writers
2026/04/13 01:57:03 DEBUG : file1: active writers 1
2026/04/13 01:57:03 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:57:04 DEBUG : Looking for writers
2026/04/13 01:57:04 DEBUG : file1: reading active writers
2026/04/13 01:57:04 DEBUG : file1: active writers 1
2026/04/13 01:57:04 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:57:05 DEBUG : Looking for writers
2026/04/13 01:57:05 DEBUG : file1: reading active writers
2026/04/13 01:57:05 DEBUG : file1: active writers 1
2026/04/13 01:57:05 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:57:06 DEBUG : Looking for writers
2026/04/13 01:57:06 DEBUG : file1: reading active writers
2026/04/13 01:57:06 DEBUG : file1: active writers 1
2026/04/13 01:57:06 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:57:07 DEBUG : Looking for writers
2026/04/13 01:57:07 DEBUG : file1: reading active writers
2026/04/13 01:57:07 DEBUG : file1: active writers 1
2026/04/13 01:57:07 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:57:08 DEBUG : Looking for writers
2026/04/13 01:57:08 DEBUG : file1: reading active writers
2026/04/13 01:57:08 DEBUG : file1: active writers 1
2026/04/13 01:57:08 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/13 01:57:09 ERROR : Exiting even though 1 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0x13d524ada5a0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x13d524ebb328 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:21806168388448} name:file1 opens:1 downloaders:<nil> o:<nil> fd:0x13d5253bc178 info:{ModTime:{wall:14010471072578637705 ext:227167656701 loc:0x469f880} ATime:{wall:14010471072578637705 ext:227167656701 loc:0x469f880} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:0 pendingAccesses:0 modified:true beingReset:false graceTimer:<nil>},
}
2026/04/13 01:57:09 DEBUG : >WaitForWriters: 
2026/04/13 01:57:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:57:09 ERROR : error listing: directory not found
--- FAIL: TestRWFileModTimeWithOpenWriters (30.60s)
=== RUN   TestRWCacheUpdate
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:57:09 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:57:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/13 01:57:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:57:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:57:09 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:57:09 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:57:09 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:57:09 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:57:09 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/13 01:57:09 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-mububek7gabu"
2026/04/13 01:57:09 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/13 01:57:09 DEBUG : forgetting directory cache
2026/04/13 01:57:09.781924 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:57:09.781947 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:09 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:57:09 DEBUG : Looking for writers
2026/04/13 01:57:09 DEBUG : >WaitForWriters: 
2026/04/13 01:57:09 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': vfs cache: cleaner exiting
2026/04/13 01:57:09 ERROR : error listing: directory not found
--- FAIL: TestRWCacheUpdate (0.38s)
=== RUN   TestCaseSensitivity
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:57:10.179943 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:57:10.179963 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:10 ERROR : error listing: directory not found
--- FAIL: TestCaseSensitivity (0.41s)
=== RUN   TestUnicodeNormalization
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:57:10.552936 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:57:10.552959 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:10 ERROR : error listing: directory not found
--- FAIL: TestUnicodeNormalization (0.36s)
=== RUN   TestVFSStat
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:57:10 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:57:10 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:57:10.881666 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:57:10.881690 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:10 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:57:10 DEBUG : Looking for writers
2026/04/13 01:57:10 DEBUG : >WaitForWriters: 
2026/04/13 01:57:10 ERROR : error listing: directory not found
--- FAIL: TestVFSStat (0.33s)
=== RUN   TestVFSStatParent
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:57:10 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:57:10 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:57:11.232948 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:57:11.232971 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:11 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:57:11 DEBUG : Looking for writers
2026/04/13 01:57:11 DEBUG : >WaitForWriters: 
2026/04/13 01:57:11 ERROR : error listing: directory not found
--- FAIL: TestVFSStatParent (0.42s)
=== RUN   TestVFSOpenFile
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:57:11 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:57:11 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:57:11.752678 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:57:11.752744 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:11 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:57:11 DEBUG : Looking for writers
2026/04/13 01:57:11 DEBUG : >WaitForWriters: 
2026/04/13 01:57:11 ERROR : error listing: directory not found
--- FAIL: TestVFSOpenFile (0.49s)
=== RUN   TestVFSRename
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:57:11 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:57:11 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:57:12.299769 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:57:12.299788 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:12 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:57:12 DEBUG : Looking for writers
2026/04/13 01:57:12 DEBUG : >WaitForWriters: 
2026/04/13 01:57:12 ERROR : error listing: directory not found
--- FAIL: TestVFSRename (0.50s)
=== RUN   TestVFSMkdir
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:57:12 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:57:12 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:57:12 ERROR : error listing: directory not found
2026/04/13 01:57:12.804368 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:57:12.804392 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:12 ERROR : /: Dir.Mkdir failed to create directory: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    vfs_test.go:375: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/vfs_test.go:375
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestVFSMkdir
2026/04/13 01:57:12 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:57:12 DEBUG : Looking for writers
2026/04/13 01:57:12 DEBUG : >WaitForWriters: 
2026/04/13 01:57:12 ERROR : error listing: directory not found
--- FAIL: TestVFSMkdir (0.51s)
=== RUN   TestVFSMkdirAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:57:12 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:57:12 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:57:12 ERROR : error listing: directory not found
2026/04/13 01:57:12 ERROR : error listing: directory not found
2026/04/13 01:57:13.374609 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:57:13.374636 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:13 ERROR : /: Dir.Mkdir failed to create directory: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    vfs_test.go:425: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/vfs_test.go:425
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestVFSMkdirAll
2026/04/13 01:57:13 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:57:13 DEBUG : Looking for writers
2026/04/13 01:57:13 DEBUG : >WaitForWriters: 
2026/04/13 01:57:13 ERROR : error listing: directory not found
--- FAIL: TestVFSMkdirAll (0.56s)
=== RUN   TestWriteFileHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:57:13 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:57:13 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:57:13 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:57:13 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:57:13 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:57:13 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/13 01:57:13 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/13 01:57:13 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:57:13 ERROR : file1: WriteFileHandle: Read: Can't read and write to file without --vfs-cache-mode >= minimal
2026/04/13 01:57:13 ERROR : file1: WriteFileHandle: ReadAt: Can't read and write to file without --vfs-cache-mode >= minimal
2026/04/13 01:57:13 ERROR : file1: WriteFileHandle: Truncate: Can't change size without --vfs-cache-mode >= writes
2026/04/13 01:57:13 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': File to upload is small (5 bytes), uploading instead of streaming
2026/04/13 01:57:13.885897 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:57:13.885937 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:13 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:13 DEBUG : file1: Remove: 
2026/04/13 01:57:13 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/13 01:57:13 DEBUG : file1: >Remove: err=<nil>
    write_test.go:144: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:144
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleMethods
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:153
        	Error:      	Not equal: 
        	            	expected: []string{"file1,5,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=13) "file1,5,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleMethods
2026/04/13 01:57:13 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/04/13 01:57:15 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/04/13 01:57:17 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:157
        	Error:      	Should be true
        	Test:       	TestWriteFileHandleMethods
        	Messages:   	listing wrong, want
        	            	  file1 (5) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:157
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestWriteFileHandleMethods
        	Messages:   	1 objects not found
2026/04/13 01:57:21 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:57:21 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:57:21 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:57:21 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/13 01:57:21 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/13 01:57:21 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:57:21 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': File to upload is small (0 bytes), uploading instead of streaming
2026/04/13 01:57:21.754601 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:57:21.754624 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:21 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:21 DEBUG : file1: Remove: 
2026/04/13 01:57:21 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/13 01:57:21 DEBUG : file1: >Remove: err=<nil>
    write_test.go:163: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:163
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleMethods
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:164
        	Error:      	Not equal: 
        	            	expected: []string{"file1,5,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=13) "file1,5,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleMethods
2026/04/13 01:57:21 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:57:21 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:57:21 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:57:21 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/13 01:57:21 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/13 01:57:21 DEBUG : Added virtual directory entry vAddFile: "file1"
    write_test.go:171: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:171
        	Error:      	Not equal: 
        	            	expected: *errors.errorString(&errors.errorString{s:"permission denied"})
        	            	actual  : <nil>(<nil>)
        	Test:       	TestWriteFileHandleMethods
2026/04/13 01:57:21 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:57:21 DEBUG : Looking for writers
2026/04/13 01:57:21 DEBUG : file1: reading active writers
2026/04/13 01:57:21 DEBUG : file1: active writers 1
2026/04/13 01:57:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 10ms
2026/04/13 01:57:21 DEBUG : Looking for writers
2026/04/13 01:57:21 DEBUG : file1: reading active writers
2026/04/13 01:57:21 DEBUG : file1: active writers 1
2026/04/13 01:57:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 20ms
2026/04/13 01:57:21 DEBUG : Looking for writers
2026/04/13 01:57:21 DEBUG : file1: reading active writers
2026/04/13 01:57:21 DEBUG : file1: active writers 1
2026/04/13 01:57:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 40ms
2026/04/13 01:57:21 DEBUG : Looking for writers
2026/04/13 01:57:21 DEBUG : file1: reading active writers
2026/04/13 01:57:21 DEBUG : file1: active writers 1
2026/04/13 01:57:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 80ms
2026/04/13 01:57:21 DEBUG : Looking for writers
2026/04/13 01:57:21 DEBUG : file1: reading active writers
2026/04/13 01:57:21 DEBUG : file1: active writers 1
2026/04/13 01:57:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 160ms
2026/04/13 01:57:22 DEBUG : Looking for writers
2026/04/13 01:57:22 DEBUG : file1: reading active writers
2026/04/13 01:57:22 DEBUG : file1: active writers 1
2026/04/13 01:57:22 DEBUG : Still 1 writers active and 0 cache items in use, waiting 320ms
2026/04/13 01:57:22 DEBUG : Looking for writers
2026/04/13 01:57:22 DEBUG : file1: reading active writers
2026/04/13 01:57:22 DEBUG : file1: active writers 1
2026/04/13 01:57:22 DEBUG : Still 1 writers active and 0 cache items in use, waiting 640ms
2026/04/13 01:57:23 DEBUG : Looking for writers
2026/04/13 01:57:23 DEBUG : file1: reading active writers
2026/04/13 01:57:23 DEBUG : file1: active writers 1
2026/04/13 01:57:23 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:24 DEBUG : Looking for writers
2026/04/13 01:57:24 DEBUG : file1: reading active writers
2026/04/13 01:57:24 DEBUG : file1: active writers 1
2026/04/13 01:57:24 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:25 DEBUG : Looking for writers
2026/04/13 01:57:25 DEBUG : file1: reading active writers
2026/04/13 01:57:25 DEBUG : file1: active writers 1
2026/04/13 01:57:25 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:26 DEBUG : Looking for writers
2026/04/13 01:57:26 DEBUG : file1: reading active writers
2026/04/13 01:57:26 DEBUG : file1: active writers 1
2026/04/13 01:57:26 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:27 DEBUG : Looking for writers
2026/04/13 01:57:27 DEBUG : file1: reading active writers
2026/04/13 01:57:27 DEBUG : file1: active writers 1
2026/04/13 01:57:27 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:28 DEBUG : Looking for writers
2026/04/13 01:57:28 DEBUG : file1: reading active writers
2026/04/13 01:57:28 DEBUG : file1: active writers 1
2026/04/13 01:57:28 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:29 DEBUG : Looking for writers
2026/04/13 01:57:29 DEBUG : file1: reading active writers
2026/04/13 01:57:29 DEBUG : file1: active writers 1
2026/04/13 01:57:29 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:30 DEBUG : Looking for writers
2026/04/13 01:57:30 DEBUG : file1: reading active writers
2026/04/13 01:57:30 DEBUG : file1: active writers 1
2026/04/13 01:57:30 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:31 DEBUG : Looking for writers
2026/04/13 01:57:31 DEBUG : file1: reading active writers
2026/04/13 01:57:31 DEBUG : file1: active writers 1
2026/04/13 01:57:31 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:32 DEBUG : Looking for writers
2026/04/13 01:57:32 DEBUG : file1: reading active writers
2026/04/13 01:57:32 DEBUG : file1: active writers 1
2026/04/13 01:57:32 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:33 DEBUG : Looking for writers
2026/04/13 01:57:33 DEBUG : file1: reading active writers
2026/04/13 01:57:33 DEBUG : file1: active writers 1
2026/04/13 01:57:33 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:34 DEBUG : Looking for writers
2026/04/13 01:57:34 DEBUG : file1: reading active writers
2026/04/13 01:57:34 DEBUG : file1: active writers 1
2026/04/13 01:57:34 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:35 DEBUG : Looking for writers
2026/04/13 01:57:35 DEBUG : file1: reading active writers
2026/04/13 01:57:35 DEBUG : file1: active writers 1
2026/04/13 01:57:35 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:36 DEBUG : Looking for writers
2026/04/13 01:57:36 DEBUG : file1: reading active writers
2026/04/13 01:57:36 DEBUG : file1: active writers 1
2026/04/13 01:57:36 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:37 DEBUG : Looking for writers
2026/04/13 01:57:37 DEBUG : file1: reading active writers
2026/04/13 01:57:37 DEBUG : file1: active writers 1
2026/04/13 01:57:37 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:38 DEBUG : Looking for writers
2026/04/13 01:57:38 DEBUG : file1: reading active writers
2026/04/13 01:57:38 DEBUG : file1: active writers 1
2026/04/13 01:57:38 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:39 DEBUG : Looking for writers
2026/04/13 01:57:39 DEBUG : file1: reading active writers
2026/04/13 01:57:39 DEBUG : file1: active writers 1
2026/04/13 01:57:39 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:40 DEBUG : Looking for writers
2026/04/13 01:57:40 DEBUG : file1: reading active writers
2026/04/13 01:57:40 DEBUG : file1: active writers 1
2026/04/13 01:57:40 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:41 DEBUG : Looking for writers
2026/04/13 01:57:41 DEBUG : file1: reading active writers
2026/04/13 01:57:41 DEBUG : file1: active writers 1
2026/04/13 01:57:41 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:42 DEBUG : Looking for writers
2026/04/13 01:57:42 DEBUG : file1: reading active writers
2026/04/13 01:57:42 DEBUG : file1: active writers 1
2026/04/13 01:57:42 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:43 DEBUG : Looking for writers
2026/04/13 01:57:43 DEBUG : file1: reading active writers
2026/04/13 01:57:43 DEBUG : file1: active writers 1
2026/04/13 01:57:43 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:44 DEBUG : Looking for writers
2026/04/13 01:57:44 DEBUG : file1: reading active writers
2026/04/13 01:57:44 DEBUG : file1: active writers 1
2026/04/13 01:57:44 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:45 DEBUG : Looking for writers
2026/04/13 01:57:45 DEBUG : file1: reading active writers
2026/04/13 01:57:45 DEBUG : file1: active writers 1
2026/04/13 01:57:45 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:46 DEBUG : Looking for writers
2026/04/13 01:57:46 DEBUG : file1: reading active writers
2026/04/13 01:57:46 DEBUG : file1: active writers 1
2026/04/13 01:57:46 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:47 DEBUG : Looking for writers
2026/04/13 01:57:47 DEBUG : file1: reading active writers
2026/04/13 01:57:47 DEBUG : file1: active writers 1
2026/04/13 01:57:47 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:48 DEBUG : Looking for writers
2026/04/13 01:57:48 DEBUG : file1: reading active writers
2026/04/13 01:57:48 DEBUG : file1: active writers 1
2026/04/13 01:57:48 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:49 DEBUG : Looking for writers
2026/04/13 01:57:49 DEBUG : file1: reading active writers
2026/04/13 01:57:49 DEBUG : file1: active writers 1
2026/04/13 01:57:49 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:50 DEBUG : Looking for writers
2026/04/13 01:57:50 DEBUG : file1: reading active writers
2026/04/13 01:57:50 DEBUG : file1: active writers 1
2026/04/13 01:57:50 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:51 DEBUG : Looking for writers
2026/04/13 01:57:51 DEBUG : file1: reading active writers
2026/04/13 01:57:51 DEBUG : file1: active writers 1
2026/04/13 01:57:51 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/13 01:57:51 ERROR : Exiting even though 1 writers active and 0 cache items in use after 30s
Cache: <nil>
2026/04/13 01:57:51 DEBUG : >WaitForWriters: 
2026/04/13 01:57:51 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleMethods (38.39s)
=== RUN   TestWriteFileHandleWriteAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:57:51 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:57:51 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:57:51 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:57:51 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:57:51 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:57:51 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/13 01:57:51 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/13 01:57:51 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:57:51 DEBUG : file1: waiting for in-sequence write to 100 for 1s
2026/04/13 01:57:52 DEBUG : file1: aborting in-sequence write wait, off=100
2026/04/13 01:57:52 DEBUG : file1: failed to wait for in-sequence write to 100
2026/04/13 01:57:52 ERROR : file1: WriteFileHandle.Write: can't seek in file without --vfs-cache-mode >= writes
2026/04/13 01:57:52 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': File to upload is small (11 bytes), uploading instead of streaming
2026/04/13 01:57:53.315801 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:57:53.315821 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:53 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:57:53 DEBUG : file1: Remove: 
2026/04/13 01:57:53 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/13 01:57:53 DEBUG : file1: >Remove: err=<nil>
    write_test.go:221: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:221
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleWriteAt
2026/04/13 01:57:53 ERROR : file1: WriteFileHandle.Write: error: Bad file descriptor
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:231
        	Error:      	Not equal: 
        	            	expected: []string{"file1,11,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=14) "file1,11,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleWriteAt
2026/04/13 01:57:53 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/04/13 01:57:54 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/04/13 01:57:56 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:235
        	Error:      	Should be true
        	Test:       	TestWriteFileHandleWriteAt
        	Messages:   	listing wrong, want
        	            	  file1 (11) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:235
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestWriteFileHandleWriteAt
        	Messages:   	1 objects not found
2026/04/13 01:58:00 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:58:00 DEBUG : Looking for writers
2026/04/13 01:58:00 DEBUG : >WaitForWriters: 
2026/04/13 01:58:00 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleWriteAt (9.17s)
=== RUN   TestWriteFileHandleFlush
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:58:00 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:58:00 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:58:00 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:58:01 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:58:01 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:58:01 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/13 01:58:01 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/13 01:58:01 DEBUG : file1: WriteFileHandle.Flush unwritten handle, writing 0 bytes to avoid race conditions
2026/04/13 01:58:01 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:58:01 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': File to upload is small (5 bytes), uploading instead of streaming
2026/04/13 01:58:01.415497 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:58:01.415522 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:01 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:01 DEBUG : file1: Remove: 
2026/04/13 01:58:01 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/13 01:58:01 DEBUG : file1: >Remove: err=<nil>
2026/04/13 01:58:01 ERROR : file1: WriteFileHandle.Flush error: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    write_test.go:256: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:256
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleFlush
2026/04/13 01:58:01 DEBUG : file1: WriteFileHandle.Flush nothing to do
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:267
        	Error:      	Not equal: 
        	            	expected: []string{"file1,5,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=13) "file1,5,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleFlush
2026/04/13 01:58:01 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:58:01 DEBUG : Looking for writers
2026/04/13 01:58:01 DEBUG : >WaitForWriters: 
2026/04/13 01:58:01 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleFlush (0.52s)
=== RUN   TestWriteFileHandleRelease
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:58:01 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:58:01 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:58:01 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:58:01 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:58:01 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:58:01 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/13 01:58:01 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/13 01:58:01 DEBUG : file1: WriteFileHandle.Release closing
2026/04/13 01:58:01 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:58:01 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': File to upload is small (0 bytes), uploading instead of streaming
2026/04/13 01:58:01.944320 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:58:01.944343 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:01 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:01 DEBUG : file1: Remove: 
2026/04/13 01:58:01 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/13 01:58:01 DEBUG : file1: >Remove: err=<nil>
2026/04/13 01:58:01 ERROR : file1: WriteFileHandle.Release error: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    write_test.go:279: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:279
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleRelease
2026/04/13 01:58:01 DEBUG : file1: WriteFileHandle.Release nothing to do
2026/04/13 01:58:01 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:58:01 DEBUG : Looking for writers
2026/04/13 01:58:01 DEBUG : >WaitForWriters: 
2026/04/13 01:58:02 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleRelease (0.50s)
=== RUN   TestWriteFileModTimeWithOpenWriters
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:58:02 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:58:02 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:58:02 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:58:02 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:58:02 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:58:02 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/13 01:58:02 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/13 01:58:02 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:58:02 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': File to upload is small (2 bytes), uploading instead of streaming
2026/04/13 01:58:02.473548 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:58:02.473581 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:02 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:02 DEBUG : file1: Remove: 
2026/04/13 01:58:02 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/13 01:58:02 DEBUG : file1: >Remove: err=<nil>
    write_test.go:333: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:333
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileModTimeWithOpenWriters
2026/04/13 01:58:02 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:58:02 DEBUG : Looking for writers
2026/04/13 01:58:02 DEBUG : >WaitForWriters: 
2026/04/13 01:58:02 ERROR : error listing: directory not found
--- FAIL: TestWriteFileModTimeWithOpenWriters (0.57s)
=== RUN   TestFileReadAtZeroLength
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:58:02 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:58:02 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:58:02 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:58:02 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:58:02 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:58:02 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/13 01:58:02 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/13 01:58:02 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:58:02 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': File to upload is small (0 bytes), uploading instead of streaming
2026/04/13 01:58:03.315909 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:58:03.315933 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:03 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:03 DEBUG : file1: Remove: 
2026/04/13 01:58:03 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/13 01:58:03 DEBUG : file1: >Remove: err=<nil>
    write_test.go:360: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:360
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:380
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestFileReadAtZeroLength
2026/04/13 01:58:03 DEBUG : file1: OpenFile: flags=O_RDONLY, perm=----------
2026/04/13 01:58:03 DEBUG : file1: >OpenFile: fd=<nil>, err=file does not exist
    write_test.go:365: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:365
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:380
        	Error:      	Received unexpected error:
        	            	file does not exist
        	Test:       	TestFileReadAtZeroLength
2026/04/13 01:58:03 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:58:03 DEBUG : Looking for writers
2026/04/13 01:58:03 DEBUG : >WaitForWriters: 
2026/04/13 01:58:03 ERROR : error listing: directory not found
--- FAIL: TestFileReadAtZeroLength (0.80s)
=== RUN   TestFileReadAtNonZeroLength
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:58:03 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:58:03 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:58:03 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/13 01:58:03 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/13 01:58:03 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:58:03 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/13 01:58:03 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/13 01:58:03 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/13 01:58:03 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': File to upload is small (100 bytes), uploading instead of streaming
2026/04/13 01:58:03.774372 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:58:03.774411 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:03 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:03 DEBUG : file1: Remove: 
2026/04/13 01:58:03 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/13 01:58:03 DEBUG : file1: >Remove: err=<nil>
    write_test.go:360: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:360
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:384
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestFileReadAtNonZeroLength
2026/04/13 01:58:03 DEBUG : file1: OpenFile: flags=O_RDONLY, perm=----------
2026/04/13 01:58:03 DEBUG : file1: >OpenFile: fd=<nil>, err=file does not exist
    write_test.go:365: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:365
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:384
        	Error:      	Received unexpected error:
        	            	file does not exist
        	Test:       	TestFileReadAtNonZeroLength
2026/04/13 01:58:03 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:58:03 DEBUG : Looking for writers
2026/04/13 01:58:03 DEBUG : >WaitForWriters: 
2026/04/13 01:58:03 ERROR : error listing: directory not found
--- FAIL: TestFileReadAtNonZeroLength (0.47s)
=== RUN   TestZipManyFiles
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:58:03 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:58:03 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:58:04.135169 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:58:04.135195 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:04 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:58:04 DEBUG : Looking for writers
2026/04/13 01:58:04 DEBUG : >WaitForWriters: 
2026/04/13 01:58:04 ERROR : error listing: directory not found
--- FAIL: TestZipManyFiles (0.36s)
=== RUN   TestZipManySubDirs
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:58:04 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:58:04 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:58:04.492941 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:58:04.492962 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:04 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:58:04 DEBUG : Looking for writers
2026/04/13 01:58:04 DEBUG : >WaitForWriters: 
2026/04/13 01:58:04 ERROR : error listing: directory not found
--- FAIL: TestZipManySubDirs (0.36s)
=== RUN   TestZipLargeFiles
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:58:04 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:58:04 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:58:04.937232 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:58:04.937254 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:04 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:58:04 DEBUG : Looking for writers
2026/04/13 01:58:04 DEBUG : >WaitForWriters: 
2026/04/13 01:58:05 ERROR : error listing: directory not found
--- FAIL: TestZipLargeFiles (0.45s)
=== RUN   TestZipDirsInRoot
    run.go:185: Remote "proton drive root link ID 'rclone-test-mububek7gabu'", Local "Local file system at /tmp/rclone3396529618", Modify Window "1s"
2026/04/13 01:58:05 INFO  : proton drive root link ID 'rclone-test-mububek7gabu': poll-interval is not supported by this remote
2026/04/13 01:58:05 NOTICE: proton drive root link ID 'rclone-test-mububek7gabu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/13 01:58:05.308999 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/13 01:58:05.309031 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-mububek7gabu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/13 01:58:05 DEBUG : WaitForWriters: timeout=30s
2026/04/13 01:58:05 DEBUG : Looking for writers
2026/04/13 01:58:05 DEBUG : >WaitForWriters: 
2026/04/13 01:58:05 ERROR : error listing: directory not found
--- FAIL: TestZipDirsInRoot (0.37s)
FAIL
2026/04/13 01:58:05 DEBUG : proton drive root link ID 'rclone-test-mububek7gabu': Purge remote
2026/04/13 01:58:05 NOTICE: purge failed: directory not found
"./vfs.test -test.v -test.timeout 1h0m0s -remote TestProtonDrive: -verbose -test.run '^(TestCaseSensitivity|TestDirCreate|TestDirFileOpen|TestDirForgetAll|TestDirForgetPath|TestDirHandleMethods|TestDirHandleReaddir|TestDirHandleReaddirnames|TestDirMetadataExtension|TestDirMethods|TestDirMkdir|TestDirMkdirSub|TestDirOpen|TestDirReadDirAll|TestDirRemove|TestDirRemoveAll|TestDirRemoveName|TestDirRename|TestDirSetModTime|TestDirStat|TestDirWalk|TestFileMethods|TestFileOpen|TestFileOpenRead|TestFileOpenWrite|TestFileReadAtNonZeroLength|TestFileReadAtZeroLength|TestFileRemove|TestFileRemoveAll|TestRWCacheUpdate|TestRWFileHandleFlushRead|TestRWFileHandleMethodsRead|TestRWFileHandleMethodsWrite|TestRWFileHandleReadAt|TestRWFileHandleReleaseRead|TestRWFileHandleSeek|TestRWFileHandleSizeCreateExisting|TestRWFileHandleSizeTruncateExisting|TestRWFileHandleWriteAt|TestRWFileHandleWriteNoWrite|TestRWFileModTimeWithOpenWriters|TestReadFileHandleFlush|TestReadFileHandleMethods|TestReadFileHandleReadAt|TestReadFileHandleRelease|TestReadFileHandleSeek|TestUnicodeNormalization|TestVFSMkdir|TestVFSMkdirAll|TestVFSOpenFile|TestVFSRename|TestVFSStat|TestVFSStatParent|TestWriteFileHandleFlush|TestWriteFileHandleMethods|TestWriteFileHandleRelease|TestWriteFileHandleWriteAt|TestWriteFileModTimeWithOpenWriters|TestZipDirsInRoot|TestZipLargeFiles|TestZipManyFiles|TestZipManySubDirs)$|^TestFileRename$/^(full,forceCache=false|minimal,forceCache=false|minimal,forceCache=true|off,forceCache=false|writes,forceCache=false|writes,forceCache=true)$|^TestFileSetModTime$/^(cache=full,open=false,write=false|cache=full,open=true,write=false|cache=full,open=true,write=true|cache=off,open=false,write=false|cache=off,open=true,write=false|cache=off,open=true,write=true)$'" - Finished ERROR in 5m13.765914156s (try 2/5): exit status 1: Failed [TestDirHandleMethods TestDirHandleReaddir TestDirHandleReaddirnames TestDirMethods TestDirForgetAll TestDirForgetPath TestDirWalk TestDirSetModTime TestDirStat TestDirReadDirAll TestDirOpen TestDirCreate TestDirMkdir TestDirMkdirSub TestDirRemove TestDirRemoveAll TestDirRemoveName TestDirRename TestDirFileOpen TestDirMetadataExtension TestFileMethods TestFileSetModTime/cache=off,open=false,write=false TestFileSetModTime/cache=off,open=true,write=false TestFileSetModTime/cache=off,open=true,write=true TestFileSetModTime/cache=full,open=false,write=false TestFileSetModTime/cache=full,open=true,write=false TestFileSetModTime/cache=full,open=true,write=true TestFileOpenRead TestFileOpenWrite TestFileRemove TestFileRemoveAll TestFileOpen TestFileRename/off,forceCache=false TestFileRename/minimal,forceCache=false TestFileRename/minimal,forceCache=true TestFileRename/writes,forceCache=false TestFileRename/writes,forceCache=true TestFileRename/full,forceCache=false TestReadFileHandleMethods TestReadFileHandleSeek TestReadFileHandleReadAt TestReadFileHandleFlush TestReadFileHandleRelease TestRWFileHandleMethodsRead TestRWFileHandleSeek TestRWFileHandleReadAt TestRWFileHandleFlushRead TestRWFileHandleReleaseRead TestRWFileHandleMethodsWrite TestRWFileHandleWriteAt TestRWFileHandleWriteNoWrite TestRWFileHandleSizeTruncateExisting TestRWFileHandleSizeCreateExisting TestRWFileModTimeWithOpenWriters TestRWCacheUpdate TestCaseSensitivity TestUnicodeNormalization TestVFSStat TestVFSStatParent TestVFSOpenFile TestVFSRename TestVFSMkdir TestVFSMkdirAll TestWriteFileHandleMethods TestWriteFileHandleWriteAt TestWriteFileHandleFlush TestWriteFileHandleRelease TestWriteFileModTimeWithOpenWriters TestFileReadAtZeroLength TestFileReadAtNonZeroLength TestZipManyFiles TestZipManySubDirs TestZipLargeFiles TestZipDirsInRoot]