"./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)
2026/01/09 03:26:02 DEBUG : Creating backend with remote "TestProtonDrive:rclone-test-fasoxex9jeje"
2026/01/09 03:26:02 DEBUG : Using config file from "/home/rclone/.rclone.conf"
2026/01/09 03:26:02 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': Has cached credentials
2026/01/09 03:26:04 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': Used cached credential to initialize the ProtonDrive API
2026/01/09 03:26:04 DEBUG : Creating backend with remote "/tmp/rclone2356363459"
=== RUN   TestDirHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:04 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:04 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:05.252750 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
2026/01/09 03:26:05.252782 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-fasoxex9jeje'": 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)
2026/01/09 03:26:05 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:05 DEBUG : Looking for writers
2026/01/09 03:26:05 DEBUG : >WaitForWriters: 
2026/01/09 03:26:05 ERROR : error listing: directory not found
--- FAIL: TestDirHandleMethods (0.77s)
=== RUN   TestDirHandleReaddir
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:05 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:05 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:06.063158 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
2026/01/09 03:26:06.063189 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-fasoxex9jeje'": 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)
2026/01/09 03:26:06 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:06 DEBUG : Looking for writers
2026/01/09 03:26:06 DEBUG : >WaitForWriters: 
2026/01/09 03:26:06 ERROR : error listing: directory not found
--- FAIL: TestDirHandleReaddir (0.79s)
=== RUN   TestDirHandleReaddirnames
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:06 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:06 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:06.978310 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
2026/01/09 03:26:06.978351 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-fasoxex9jeje'": 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)
2026/01/09 03:26:06 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:06 DEBUG : Looking for writers
2026/01/09 03:26:06 DEBUG : >WaitForWriters: 
2026/01/09 03:26:07 ERROR : error listing: directory not found
--- FAIL: TestDirHandleReaddirnames (0.96s)
=== RUN   TestDirMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:07 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:07 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:07.786944 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
2026/01/09 03:26:07.786969 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-fasoxex9jeje'": 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)
2026/01/09 03:26:07 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:07 DEBUG : Looking for writers
2026/01/09 03:26:07 DEBUG : >WaitForWriters: 
2026/01/09 03:26:07 ERROR : error listing: directory not found
--- FAIL: TestDirMethods (0.78s)
=== RUN   TestDirForgetAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:07 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:07 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:08.547457 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
2026/01/09 03:26:08.547478 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-fasoxex9jeje'": 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)
2026/01/09 03:26:08 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:08 DEBUG : Looking for writers
2026/01/09 03:26:08 DEBUG : >WaitForWriters: 
2026/01/09 03:26:08 ERROR : error listing: directory not found
--- FAIL: TestDirForgetAll (0.76s)
=== RUN   TestDirForgetPath
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:08 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:08 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:09.344762 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
2026/01/09 03:26:09.344783 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-fasoxex9jeje'": 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)
2026/01/09 03:26:09 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:09 DEBUG : Looking for writers
2026/01/09 03:26:09 DEBUG : >WaitForWriters: 
2026/01/09 03:26:09 ERROR : error listing: directory not found
--- FAIL: TestDirForgetPath (0.80s)
=== RUN   TestDirWalk
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:09 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:09 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:10.117381 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
2026/01/09 03:26:10.117407 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-fasoxex9jeje'": 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)
2026/01/09 03:26:10 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:10 DEBUG : Looking for writers
2026/01/09 03:26:10 DEBUG : >WaitForWriters: 
2026/01/09 03:26:10 ERROR : error listing: directory not found
--- FAIL: TestDirWalk (0.81s)
=== RUN   TestDirSetModTime
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:10 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:10 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:10.952273 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
2026/01/09 03:26:10.952295 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-fasoxex9jeje'": 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)
2026/01/09 03:26:10 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:10 DEBUG : Looking for writers
2026/01/09 03:26:10 DEBUG : >WaitForWriters: 
2026/01/09 03:26:11 ERROR : error listing: directory not found
--- FAIL: TestDirSetModTime (0.83s)
=== RUN   TestDirStat
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:11 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:11 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:11.717944 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
2026/01/09 03:26:11.717966 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-fasoxex9jeje'": 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)
2026/01/09 03:26:11 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:11 DEBUG : Looking for writers
2026/01/09 03:26:11 DEBUG : >WaitForWriters: 
2026/01/09 03:26:11 ERROR : error listing: directory not found
--- FAIL: TestDirStat (0.73s)
=== RUN   TestDirReadDirAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:11 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:11 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:12.464287 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
2026/01/09 03:26:12.464316 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-fasoxex9jeje'": 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)
2026/01/09 03:26:12 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:12 DEBUG : Looking for writers
2026/01/09 03:26:12 DEBUG : >WaitForWriters: 
2026/01/09 03:26:12 ERROR : error listing: directory not found
--- FAIL: TestDirReadDirAll (0.77s)
=== RUN   TestDirOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:12 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:12 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:13.309073 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
2026/01/09 03:26:13.309130 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-fasoxex9jeje'": 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)
2026/01/09 03:26:13 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:13 DEBUG : Looking for writers
2026/01/09 03:26:13 DEBUG : >WaitForWriters: 
2026/01/09 03:26:13 ERROR : error listing: directory not found
--- FAIL: TestDirOpen (0.84s)
=== RUN   TestDirCreate
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:13 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:13 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:14.055960 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
2026/01/09 03:26:14.055982 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-fasoxex9jeje'": 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)
2026/01/09 03:26:14 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:14 DEBUG : Looking for writers
2026/01/09 03:26:14 DEBUG : >WaitForWriters: 
2026/01/09 03:26:14 ERROR : error listing: directory not found
--- FAIL: TestDirCreate (0.73s)
=== RUN   TestDirMkdir
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:14 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:14 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:14.793840 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
2026/01/09 03:26:14.794008 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-fasoxex9jeje'": 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)
2026/01/09 03:26:14 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:14 DEBUG : Looking for writers
2026/01/09 03:26:14 DEBUG : >WaitForWriters: 
2026/01/09 03:26:14 ERROR : error listing: directory not found
--- FAIL: TestDirMkdir (0.76s)
=== RUN   TestDirMkdirSub
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:14 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:14 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:15.614071 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
2026/01/09 03:26:15.614094 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-fasoxex9jeje'": 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)
2026/01/09 03:26:15 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:15 DEBUG : Looking for writers
2026/01/09 03:26:15 DEBUG : >WaitForWriters: 
2026/01/09 03:26:15 ERROR : error listing: directory not found
--- FAIL: TestDirMkdirSub (0.82s)
=== RUN   TestDirRemove
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:15 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:15 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:16.426544 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
2026/01/09 03:26:16.426566 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-fasoxex9jeje'": 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)
2026/01/09 03:26:16 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:16 DEBUG : Looking for writers
2026/01/09 03:26:16 DEBUG : >WaitForWriters: 
2026/01/09 03:26:16 ERROR : error listing: directory not found
--- FAIL: TestDirRemove (0.80s)
=== RUN   TestDirRemoveAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:16 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:16 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:17.216148 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
2026/01/09 03:26:17.216171 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-fasoxex9jeje'": 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)
2026/01/09 03:26:17 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:17 DEBUG : Looking for writers
2026/01/09 03:26:17 DEBUG : >WaitForWriters: 
2026/01/09 03:26:17 ERROR : error listing: directory not found
--- FAIL: TestDirRemoveAll (0.78s)
=== RUN   TestDirRemoveName
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:17 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:17 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:18.003001 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
2026/01/09 03:26:18.003022 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-fasoxex9jeje'": 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)
2026/01/09 03:26:18 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:18 DEBUG : Looking for writers
2026/01/09 03:26:18 DEBUG : >WaitForWriters: 
2026/01/09 03:26:18 ERROR : error listing: directory not found
--- FAIL: TestDirRemoveName (0.83s)
=== RUN   TestDirRename
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:18 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:18 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:18.798673 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
2026/01/09 03:26:18.798756 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-fasoxex9jeje'": 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)
2026/01/09 03:26:18 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:18 DEBUG : Looking for writers
2026/01/09 03:26:18 DEBUG : >WaitForWriters: 
2026/01/09 03:26:18 ERROR : error listing: directory not found
--- FAIL: TestDirRename (0.75s)
=== RUN   TestDirFileOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:18 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:18 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:19.571103 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
2026/01/09 03:26:19.571132 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-fasoxex9jeje'": 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)
2026/01/09 03:26:19 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:19 DEBUG : Looking for writers
2026/01/09 03:26:19 DEBUG : >WaitForWriters: 
2026/01/09 03:26:19 ERROR : error listing: directory not found
--- FAIL: TestDirFileOpen (0.80s)
=== RUN   TestDirMetadataExtension
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:19 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:19 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:20.363574 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
2026/01/09 03:26:20.363594 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-fasoxex9jeje'": 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)
2026/01/09 03:26:20 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:20 DEBUG : Looking for writers
2026/01/09 03:26:20 DEBUG : >WaitForWriters: 
2026/01/09 03:26:20 ERROR : error listing: directory not found
--- FAIL: TestDirMetadataExtension (0.80s)
=== RUN   TestFileMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:20 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:20 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:21.170452 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
2026/01/09 03:26:21.171980 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-fasoxex9jeje'": 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)
2026/01/09 03:26:21 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:21 DEBUG : Looking for writers
2026/01/09 03:26:21 DEBUG : >WaitForWriters: 
2026/01/09 03:26:21 ERROR : error listing: directory not found
--- FAIL: TestFileMethods (0.82s)
=== RUN   TestFileSetModTime
=== RUN   TestFileSetModTime/cache=off,open=false,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:21 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:21 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:22.022348 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
2026/01/09 03:26:22.022371 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-fasoxex9jeje'": 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)
2026/01/09 03:26:22 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:22 DEBUG : Looking for writers
2026/01/09 03:26:22 DEBUG : >WaitForWriters: 
2026/01/09 03:26:22 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-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:22 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:22 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:22.756820 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
2026/01/09 03:26:22.756869 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-fasoxex9jeje'": 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)
2026/01/09 03:26:22 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:22 DEBUG : Looking for writers
2026/01/09 03:26:22 DEBUG : >WaitForWriters: 
2026/01/09 03:26:22 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-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:22 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:22 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:23.573136 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
2026/01/09 03:26:23.573213 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-fasoxex9jeje'": 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)
2026/01/09 03:26:23 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:23 DEBUG : Looking for writers
2026/01/09 03:26:23 DEBUG : >WaitForWriters: 
2026/01/09 03:26:23 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-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:23 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:23 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:23 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:23 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:23 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:23 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:23 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:23 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:23 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:23 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:23 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:24.416723 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
2026/01/09 03:26:24.416744 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-fasoxex9jeje'": 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)
2026/01/09 03:26:24 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:24 DEBUG : Looking for writers
2026/01/09 03:26:24 DEBUG : >WaitForWriters: 
2026/01/09 03:26:24 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:24 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-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:24 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:24 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:24 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:24 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:24 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:24 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:24 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:24 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:24 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:24 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:24 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:25.234078 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
2026/01/09 03:26:25.234102 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-fasoxex9jeje'": 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)
2026/01/09 03:26:25 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:25 DEBUG : Looking for writers
2026/01/09 03:26:25 DEBUG : >WaitForWriters: 
2026/01/09 03:26:25 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:25 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-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:25 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:25 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:25 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:25 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:25 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:25 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:25 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:25 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:25 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:25 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:25 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:26.040405 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
2026/01/09 03:26:26.040446 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-fasoxex9jeje'": 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)
2026/01/09 03:26:26 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:26 DEBUG : Looking for writers
2026/01/09 03:26:26 DEBUG : >WaitForWriters: 
2026/01/09 03:26:26 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:26 ERROR : error listing: directory not found
--- FAIL: TestFileSetModTime (4.84s)
    --- FAIL: TestFileSetModTime/cache=off,open=false,write=false (0.81s)
    --- FAIL: TestFileSetModTime/cache=off,open=true,write=false (0.76s)
    --- FAIL: TestFileSetModTime/cache=off,open=true,write=true (0.82s)
    --- FAIL: TestFileSetModTime/cache=full,open=false,write=false (0.83s)
    --- FAIL: TestFileSetModTime/cache=full,open=true,write=false (0.82s)
    --- FAIL: TestFileSetModTime/cache=full,open=true,write=true (0.81s)
=== RUN   TestFileOpenRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:26 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:26 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:26.812862 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
2026/01/09 03:26:26.812884 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-fasoxex9jeje'": 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)
2026/01/09 03:26:26 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:26 DEBUG : Looking for writers
2026/01/09 03:26:26 DEBUG : >WaitForWriters: 
2026/01/09 03:26:26 ERROR : error listing: directory not found
--- FAIL: TestFileOpenRead (0.78s)
=== RUN   TestFileOpenWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:26 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:26 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:27.573381 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
2026/01/09 03:26:27.573403 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-fasoxex9jeje'": 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)
2026/01/09 03:26:27 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:27 DEBUG : Looking for writers
2026/01/09 03:26:27 DEBUG : >WaitForWriters: 
2026/01/09 03:26:27 ERROR : error listing: directory not found
--- FAIL: TestFileOpenWrite (0.76s)
=== RUN   TestFileRemove
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:27 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:27 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:28.372039 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
2026/01/09 03:26:28.372062 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-fasoxex9jeje'": 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)
2026/01/09 03:26:28 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:28 DEBUG : Looking for writers
2026/01/09 03:26:28 DEBUG : >WaitForWriters: 
2026/01/09 03:26:28 ERROR : error listing: directory not found
--- FAIL: TestFileRemove (0.78s)
=== RUN   TestFileRemoveAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:28 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:28 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:29.142827 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
2026/01/09 03:26:29.142854 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-fasoxex9jeje'": 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)
2026/01/09 03:26:29 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:29 DEBUG : Looking for writers
2026/01/09 03:26:29 DEBUG : >WaitForWriters: 
2026/01/09 03:26:29 ERROR : error listing: directory not found
--- FAIL: TestFileRemoveAll (0.78s)
=== RUN   TestFileOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:29 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:29 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:29.968034 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
2026/01/09 03:26:29.968055 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-fasoxex9jeje'": 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)
2026/01/09 03:26:29 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:29 DEBUG : Looking for writers
2026/01/09 03:26:29 DEBUG : >WaitForWriters: 
2026/01/09 03:26:30 ERROR : error listing: directory not found
--- FAIL: TestFileOpen (0.81s)
=== RUN   TestFileRename
=== RUN   TestFileRename/off,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:30 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:30 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:30.742985 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
2026/01/09 03:26:30.743004 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-fasoxex9jeje'": 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)
2026/01/09 03:26:30 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:30 DEBUG : Looking for writers
2026/01/09 03:26:30 DEBUG : >WaitForWriters: 
2026/01/09 03:26:30 ERROR : error listing: directory not found
=== RUN   TestFileRename/minimal,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:30 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:30 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:30 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:30 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:30 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:30 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:30 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:30 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:30 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:30 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:30 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:30 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:31.565697 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
2026/01/09 03:26:31.565731 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-fasoxex9jeje'": 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)
2026/01/09 03:26:31 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:31 DEBUG : Looking for writers
2026/01/09 03:26:31 DEBUG : >WaitForWriters: 
2026/01/09 03:26:31 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:31 ERROR : error listing: directory not found
=== RUN   TestFileRename/minimal,forceCache=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:31 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:31 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:31 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:31 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:31 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:31 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:31 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:31 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:31 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:31 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:31 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:31 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:32.326827 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
2026/01/09 03:26:32.326862 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-fasoxex9jeje'": 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)
2026/01/09 03:26:32 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:32 DEBUG : Looking for writers
2026/01/09 03:26:32 DEBUG : >WaitForWriters: 
2026/01/09 03:26:32 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:32 ERROR : error listing: directory not found
=== RUN   TestFileRename/writes,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:32 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:32 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:32 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:32 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:32 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:32 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:32 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:32 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:32 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:32 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:32 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:33.095553 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
2026/01/09 03:26:33.095578 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-fasoxex9jeje'": 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)
2026/01/09 03:26:33 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:33 DEBUG : Looking for writers
2026/01/09 03:26:33 DEBUG : >WaitForWriters: 
2026/01/09 03:26:33 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:33 ERROR : error listing: directory not found
=== RUN   TestFileRename/writes,forceCache=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:33 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:33 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:33 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:33 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:33 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:33 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:33 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:33 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:33 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:33 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:33 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:33.840995 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
2026/01/09 03:26:33.841030 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-fasoxex9jeje'": 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)
2026/01/09 03:26:33 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:33 DEBUG : Looking for writers
2026/01/09 03:26:33 DEBUG : >WaitForWriters: 
2026/01/09 03:26:33 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:34 ERROR : error listing: directory not found
=== RUN   TestFileRename/full,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:34 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:34 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:34 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:34 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:34 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:34 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:34 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:34 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:34 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:34 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:34 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:34.668105 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
2026/01/09 03:26:34.668122 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-fasoxex9jeje'": 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)
2026/01/09 03:26:34 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:34 DEBUG : Looking for writers
2026/01/09 03:26:34 DEBUG : >WaitForWriters: 
2026/01/09 03:26:34 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:34 ERROR : error listing: directory not found
--- FAIL: TestFileRename (4.70s)
    --- FAIL: TestFileRename/off,forceCache=false (0.79s)
    --- FAIL: TestFileRename/minimal,forceCache=false (0.82s)
    --- FAIL: TestFileRename/minimal,forceCache=true (0.77s)
    --- FAIL: TestFileRename/writes,forceCache=false (0.76s)
    --- FAIL: TestFileRename/writes,forceCache=true (0.81s)
    --- FAIL: TestFileRename/full,forceCache=false (0.76s)
=== RUN   TestReadFileHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:34 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:34 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:35.470208 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
2026/01/09 03:26:35.470234 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-fasoxex9jeje'": 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)
2026/01/09 03:26:35 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:35 DEBUG : Looking for writers
2026/01/09 03:26:35 DEBUG : >WaitForWriters: 
2026/01/09 03:26:35 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleMethods (0.80s)
=== RUN   TestReadFileHandleSeek
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:35 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:35 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:36.240288 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
2026/01/09 03:26:36.240310 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-fasoxex9jeje'": 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)
2026/01/09 03:26:36 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:36 DEBUG : Looking for writers
2026/01/09 03:26:36 DEBUG : >WaitForWriters: 
2026/01/09 03:26:36 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleSeek (0.76s)
=== RUN   TestReadFileHandleReadAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:36 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:36 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:37.038418 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
2026/01/09 03:26:37.038465 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-fasoxex9jeje'": 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)
2026/01/09 03:26:37 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:37 DEBUG : Looking for writers
2026/01/09 03:26:37 DEBUG : >WaitForWriters: 
2026/01/09 03:26:37 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleReadAt (0.79s)
=== RUN   TestReadFileHandleFlush
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:37 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:37 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:37.803212 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
2026/01/09 03:26:37.803234 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-fasoxex9jeje'": 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)
2026/01/09 03:26:37 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:37 DEBUG : Looking for writers
2026/01/09 03:26:37 DEBUG : >WaitForWriters: 
2026/01/09 03:26:37 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleFlush (0.80s)
=== RUN   TestReadFileHandleRelease
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:37 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:37 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:26:38.616538 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
2026/01/09 03:26:38.616652 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-fasoxex9jeje'": 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)
2026/01/09 03:26:38 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:38 DEBUG : Looking for writers
2026/01/09 03:26:38 DEBUG : >WaitForWriters: 
2026/01/09 03:26:38 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleRelease (0.79s)
=== RUN   TestRWFileHandleMethodsRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:38 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:38 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:38 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:38 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:38 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:38 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:38 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:38 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:38 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:38 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:38 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:39.373980 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
2026/01/09 03:26:39.374002 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-fasoxex9jeje'": 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)
2026/01/09 03:26:39 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:39 DEBUG : Looking for writers
2026/01/09 03:26:39 DEBUG : >WaitForWriters: 
2026/01/09 03:26:39 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:39 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleMethodsRead (0.76s)
=== RUN   TestRWFileHandleSeek
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:39 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:39 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:39 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:39 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:39 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:39 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:39 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:39 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:39 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:39 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:39 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:40.157574 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
2026/01/09 03:26:40.157609 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-fasoxex9jeje'": 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)
2026/01/09 03:26:40 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:40 DEBUG : Looking for writers
2026/01/09 03:26:40 DEBUG : >WaitForWriters: 
2026/01/09 03:26:40 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:40 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSeek (0.80s)
=== RUN   TestRWFileHandleReadAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:40 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:40 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:40 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:40 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:40 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:40 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:40 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:40 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:40 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:40 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:40 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:40.993359 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
2026/01/09 03:26:40.993380 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-fasoxex9jeje'": 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)
2026/01/09 03:26:40 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:40 DEBUG : Looking for writers
2026/01/09 03:26:40 DEBUG : >WaitForWriters: 
2026/01/09 03:26:40 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:41 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleReadAt (0.82s)
=== RUN   TestRWFileHandleFlushRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:41 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:41 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:41 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:41 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:41 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:41 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:41 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:41 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:41 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:41 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:41 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:41.738050 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
2026/01/09 03:26:41.738103 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-fasoxex9jeje'": 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)
2026/01/09 03:26:41 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:41 DEBUG : Looking for writers
2026/01/09 03:26:41 DEBUG : >WaitForWriters: 
2026/01/09 03:26:41 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:41 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleFlushRead (0.74s)
=== RUN   TestRWFileHandleReleaseRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:41 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:41 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:41 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:41 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:41 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:41 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:41 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:41 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:41 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:41 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:41 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:42.484391 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
2026/01/09 03:26:42.484457 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-fasoxex9jeje'": 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)
2026/01/09 03:26:42 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:42 DEBUG : Looking for writers
2026/01/09 03:26:42 DEBUG : >WaitForWriters: 
2026/01/09 03:26:42 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:26:42 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleReleaseRead (0.74s)
=== RUN   TestRWFileHandleMethodsWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:26:42 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:26:42 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:26:42 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:42 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:42 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:42 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:42 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:42 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:42 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:26:42 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:26:42 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:26:42 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:26:42 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:26:42 DEBUG : file1: newRWFileHandle: 
2026/01/09 03:26:42 DEBUG : file1(0xc000922140): openPending: 
2026/01/09 03:26:42 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/01/09 03:26:42 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:26:42 DEBUG : file1(0xc000922140): >openPending: err=<nil>
2026/01/09 03:26:42 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/01/09 03:26:42 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:26:42 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/01/09 03:26:42 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/01/09 03:26:42 DEBUG : file1(0xc000922140): _writeAt: size=5, off=0
2026/01/09 03:26:42 DEBUG : file1(0xc000922140): >_writeAt: n=5, err=<nil>
2026/01/09 03:26:42 DEBUG : file1(0xc000922140): _writeAt: size=7, off=5
2026/01/09 03:26:42 DEBUG : file1(0xc000922140): >_writeAt: n=7, err=<nil>
2026/01/09 03:26:42 DEBUG : file1: vfs cache: truncate to size=11
2026/01/09 03:26:42 DEBUG : file1(0xc000922140): close: 
2026/01/09 03:26:42 DEBUG : file1: vfs cache: setting modification time to 2026-01-09 03:26:42.776476997 +0000 UTC m=+39.920077062
2026/01/09 03:26:42 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/01/09 03:26:42 DEBUG : file1(0xc000922140): >close: err=<nil>
2026/01/09 03:26:42 DEBUG : file1(0xc000922140): close: 
2026/01/09 03:26:42 DEBUG : file1(0xc000922140): >close: err=file already closed
2026/01/09 03:26:42 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:26:42 DEBUG : Looking for writers
2026/01/09 03:26:42 DEBUG : file1: reading active writers
2026/01/09 03:26:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/01/09 03:26:42 DEBUG : Looking for writers
2026/01/09 03:26:42 DEBUG : file1: reading active writers
2026/01/09 03:26:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/01/09 03:26:42 DEBUG : Looking for writers
2026/01/09 03:26:42 DEBUG : file1: reading active writers
2026/01/09 03:26:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/01/09 03:26:42 DEBUG : Looking for writers
2026/01/09 03:26:42 DEBUG : file1: reading active writers
2026/01/09 03:26:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/01/09 03:26:42 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:26:42 DEBUG : Looking for writers
2026/01/09 03:26:42 DEBUG : file1: reading active writers
2026/01/09 03:26:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/01/09 03:26:43 DEBUG : Looking for writers
2026/01/09 03:26:43 DEBUG : file1: reading active writers
2026/01/09 03:26:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/01/09 03:26:43 DEBUG : Looking for writers
2026/01/09 03:26:43 DEBUG : file1: reading active writers
2026/01/09 03:26:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/01/09 03:26:43.648675 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
2026/01/09 03:26:43.648703 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)
2026/01/09 03:26:43 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)
2026/01/09 03:26:43 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)
2026/01/09 03:26:43 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:26:44 DEBUG : Looking for writers
2026/01/09 03:26:44 DEBUG : file1: reading active writers
2026/01/09 03:26:44 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:44.659892 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
2026/01/09 03:26:44.659925 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)
2026/01/09 03:26:44 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)
2026/01/09 03:26:44 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)
2026/01/09 03:26:45 DEBUG : Looking for writers
2026/01/09 03:26:45 DEBUG : file1: reading active writers
2026/01/09 03:26:45 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:45 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:26:45.835718 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
2026/01/09 03:26:45.835740 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)
2026/01/09 03:26:45 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)
2026/01/09 03:26:45 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)
2026/01/09 03:26:46 DEBUG : Looking for writers
2026/01/09 03:26:46 DEBUG : file1: reading active writers
2026/01/09 03:26:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:46 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:26:47 DEBUG : Looking for writers
2026/01/09 03:26:47 DEBUG : file1: reading active writers
2026/01/09 03:26:47 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:47.446640 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
2026/01/09 03:26:47.446659 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)
2026/01/09 03:26:47 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)
2026/01/09 03:26:47 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)
2026/01/09 03:26:48 DEBUG : Looking for writers
2026/01/09 03:26:48 DEBUG : file1: reading active writers
2026/01/09 03:26:48 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:49 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:26:49 DEBUG : Looking for writers
2026/01/09 03:26:49 DEBUG : file1: reading active writers
2026/01/09 03:26:49 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:49.862832 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
2026/01/09 03:26:49.862855 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)
2026/01/09 03:26:49 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)
2026/01/09 03:26:49 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)
2026/01/09 03:26:50 DEBUG : Looking for writers
2026/01/09 03:26:50 DEBUG : file1: reading active writers
2026/01/09 03:26:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:51 DEBUG : Looking for writers
2026/01/09 03:26:51 DEBUG : file1: reading active writers
2026/01/09 03:26:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:52 DEBUG : Looking for writers
2026/01/09 03:26:52 DEBUG : file1: reading active writers
2026/01/09 03:26:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:53 DEBUG : Looking for writers
2026/01/09 03:26:53 DEBUG : file1: reading active writers
2026/01/09 03:26:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:53 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:26:53.896000 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
2026/01/09 03:26:53.896043 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)
2026/01/09 03:26:53 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)
2026/01/09 03:26:53 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)
2026/01/09 03:26:54 DEBUG : Looking for writers
2026/01/09 03:26:54 DEBUG : file1: reading active writers
2026/01/09 03:26:54 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:55 DEBUG : Looking for writers
2026/01/09 03:26:55 DEBUG : file1: reading active writers
2026/01/09 03:26:55 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:56 DEBUG : Looking for writers
2026/01/09 03:26:56 DEBUG : file1: reading active writers
2026/01/09 03:26:56 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:57 DEBUG : Looking for writers
2026/01/09 03:26:57 DEBUG : file1: reading active writers
2026/01/09 03:26:57 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:58 DEBUG : Looking for writers
2026/01/09 03:26:58 DEBUG : file1: reading active writers
2026/01/09 03:26:58 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:26:59 DEBUG : Looking for writers
2026/01/09 03:26:59 DEBUG : file1: reading active writers
2026/01/09 03:26:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:00 DEBUG : Looking for writers
2026/01/09 03:27:00 DEBUG : file1: reading active writers
2026/01/09 03:27:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:00 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:27:01 DEBUG : Looking for writers
2026/01/09 03:27:01 DEBUG : file1: reading active writers
2026/01/09 03:27:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:01.122080 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
2026/01/09 03:27:01.122113 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)
2026/01/09 03:27:01 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)
2026/01/09 03:27:01 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)
2026/01/09 03:27:02 DEBUG : Looking for writers
2026/01/09 03:27:02 DEBUG : file1: reading active writers
2026/01/09 03:27:02 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:03 DEBUG : Looking for writers
2026/01/09 03:27:03 DEBUG : file1: reading active writers
2026/01/09 03:27:03 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:04 DEBUG : Looking for writers
2026/01/09 03:27:04 DEBUG : file1: reading active writers
2026/01/09 03:27:04 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:05 DEBUG : Looking for writers
2026/01/09 03:27:05 DEBUG : file1: reading active writers
2026/01/09 03:27:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:06 DEBUG : Looking for writers
2026/01/09 03:27:06 DEBUG : file1: reading active writers
2026/01/09 03:27:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:07 DEBUG : Looking for writers
2026/01/09 03:27:07 DEBUG : file1: reading active writers
2026/01/09 03:27:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:08 DEBUG : Looking for writers
2026/01/09 03:27:08 DEBUG : file1: reading active writers
2026/01/09 03:27:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:09 DEBUG : Looking for writers
2026/01/09 03:27:09 DEBUG : file1: reading active writers
2026/01/09 03:27:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:10 DEBUG : Looking for writers
2026/01/09 03:27:10 DEBUG : file1: reading active writers
2026/01/09 03:27:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:11 DEBUG : Looking for writers
2026/01/09 03:27:11 DEBUG : file1: reading active writers
2026/01/09 03:27:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:12 DEBUG : Looking for writers
2026/01/09 03:27:12 DEBUG : file1: reading active writers
2026/01/09 03:27:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:12 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc000ada690 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000800008 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824642109504} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001756373302909253 ext:39920077062 loc:0x42cf0a0} ATime:{wall:14001756373302946594 ext:39920114384 loc:0x42cf0a0} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/01/09 03:27:12 DEBUG : >WaitForWriters: 
2026/01/09 03:27:12 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
2026/01/09 03:27:13 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:27:14 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
2026/01/09 03:27:14.998639 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
2026/01/09 03:27:14.998679 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)
2026/01/09 03:27:14 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)
2026/01/09 03:27:14 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)
    fstest.go:301: Flushing the directory cache
2026/01/09 03:27:16 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
2026/01/09 03:27:20 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:27:20 DEBUG : Looking for writers
2026/01/09 03:27:20 DEBUG : file1: reading active writers
2026/01/09 03:27:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/01/09 03:27:20 DEBUG : Looking for writers
2026/01/09 03:27:20 DEBUG : file1: reading active writers
2026/01/09 03:27:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/01/09 03:27:20 DEBUG : Looking for writers
2026/01/09 03:27:20 DEBUG : file1: reading active writers
2026/01/09 03:27:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/01/09 03:27:20 DEBUG : Looking for writers
2026/01/09 03:27:20 DEBUG : file1: reading active writers
2026/01/09 03:27:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/01/09 03:27:20 DEBUG : Looking for writers
2026/01/09 03:27:20 DEBUG : file1: reading active writers
2026/01/09 03:27:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/01/09 03:27:20 DEBUG : Looking for writers
2026/01/09 03:27:20 DEBUG : file1: reading active writers
2026/01/09 03:27:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/01/09 03:27:21 DEBUG : Looking for writers
2026/01/09 03:27:21 DEBUG : file1: reading active writers
2026/01/09 03:27:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/01/09 03:27:21 DEBUG : Looking for writers
2026/01/09 03:27:21 DEBUG : file1: reading active writers
2026/01/09 03:27:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:22 DEBUG : Looking for writers
2026/01/09 03:27:22 DEBUG : file1: reading active writers
2026/01/09 03:27:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:23 DEBUG : Looking for writers
2026/01/09 03:27:23 DEBUG : file1: reading active writers
2026/01/09 03:27:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:24 DEBUG : Looking for writers
2026/01/09 03:27:24 DEBUG : file1: reading active writers
2026/01/09 03:27:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:25 DEBUG : Looking for writers
2026/01/09 03:27:25 DEBUG : file1: reading active writers
2026/01/09 03:27:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:26 DEBUG : Looking for writers
2026/01/09 03:27:26 DEBUG : file1: reading active writers
2026/01/09 03:27:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:27 DEBUG : Looking for writers
2026/01/09 03:27:27 DEBUG : file1: reading active writers
2026/01/09 03:27:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:28 DEBUG : Looking for writers
2026/01/09 03:27:28 DEBUG : file1: reading active writers
2026/01/09 03:27:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:29 DEBUG : Looking for writers
2026/01/09 03:27:29 DEBUG : file1: reading active writers
2026/01/09 03:27:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:30 DEBUG : Looking for writers
2026/01/09 03:27:30 DEBUG : file1: reading active writers
2026/01/09 03:27:30 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:31 DEBUG : Looking for writers
2026/01/09 03:27:31 DEBUG : file1: reading active writers
2026/01/09 03:27:31 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:32 DEBUG : Looking for writers
2026/01/09 03:27:32 DEBUG : file1: reading active writers
2026/01/09 03:27:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:33 DEBUG : Looking for writers
2026/01/09 03:27:33 DEBUG : file1: reading active writers
2026/01/09 03:27:33 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:34 DEBUG : Looking for writers
2026/01/09 03:27:34 DEBUG : file1: reading active writers
2026/01/09 03:27:34 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:35 DEBUG : Looking for writers
2026/01/09 03:27:35 DEBUG : file1: reading active writers
2026/01/09 03:27:35 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:36 DEBUG : Looking for writers
2026/01/09 03:27:36 DEBUG : file1: reading active writers
2026/01/09 03:27:36 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:37 DEBUG : Looking for writers
2026/01/09 03:27:37 DEBUG : file1: reading active writers
2026/01/09 03:27:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:38 DEBUG : Looking for writers
2026/01/09 03:27:38 DEBUG : file1: reading active writers
2026/01/09 03:27:38 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:39 DEBUG : Looking for writers
2026/01/09 03:27:39 DEBUG : file1: reading active writers
2026/01/09 03:27:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:40 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:27:40 DEBUG : Looking for writers
2026/01/09 03:27:40 DEBUG : file1: reading active writers
2026/01/09 03:27:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:41.581884 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
2026/01/09 03:27:41.581915 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)
2026/01/09 03:27:41 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)
2026/01/09 03:27:41 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)
2026/01/09 03:27:41 DEBUG : Looking for writers
2026/01/09 03:27:41 DEBUG : file1: reading active writers
2026/01/09 03:27:41 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:42 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/01/09 03:27:42 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 1 (was 1) in use 1, to upload 1, uploading 0, total size 11 (was 11)
2026/01/09 03:27:42 DEBUG : Looking for writers
2026/01/09 03:27:42 DEBUG : file1: reading active writers
2026/01/09 03:27:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:43 DEBUG : Looking for writers
2026/01/09 03:27:43 DEBUG : file1: reading active writers
2026/01/09 03:27:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:44 DEBUG : Looking for writers
2026/01/09 03:27:44 DEBUG : file1: reading active writers
2026/01/09 03:27:44 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:45 DEBUG : Looking for writers
2026/01/09 03:27:45 DEBUG : file1: reading active writers
2026/01/09 03:27:45 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:46 DEBUG : Looking for writers
2026/01/09 03:27:46 DEBUG : file1: reading active writers
2026/01/09 03:27:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:47 DEBUG : Looking for writers
2026/01/09 03:27:47 DEBUG : file1: reading active writers
2026/01/09 03:27:47 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:48 DEBUG : Looking for writers
2026/01/09 03:27:48 DEBUG : file1: reading active writers
2026/01/09 03:27:48 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:49 DEBUG : Looking for writers
2026/01/09 03:27:49 DEBUG : file1: reading active writers
2026/01/09 03:27:49 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:50 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc000ada690 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000800008 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824642109504} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001756373302909253 ext:39920077062 loc:0x42cf0a0} ATime:{wall:14001756373302946594 ext:39920114384 loc:0x42cf0a0} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/01/09 03:27:50 DEBUG : >WaitForWriters: 
2026/01/09 03:27:50 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:27:50 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleMethodsWrite (68.10s)
=== RUN   TestRWFileHandleWriteAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:27:50 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:27:50 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:27:50 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:27:50 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:27:50 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:27:50 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:27:50 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:27:50 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:27:50 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:27:50 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:27:50 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:27:50 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:27:50 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:27:50 DEBUG : file1: newRWFileHandle: 
2026/01/09 03:27:50 DEBUG : file1(0xc0006faac0): openPending: 
2026/01/09 03:27:50 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/01/09 03:27:50 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:27:50 DEBUG : file1(0xc0006faac0): >openPending: err=<nil>
2026/01/09 03:27:50 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/01/09 03:27:50 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:27:50 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/01/09 03:27:50 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/01/09 03:27:50 DEBUG : file1(0xc0006faac0): _writeAt: size=7, off=0
2026/01/09 03:27:50 DEBUG : file1(0xc0006faac0): >_writeAt: n=7, err=<nil>
2026/01/09 03:27:50 DEBUG : file1(0xc0006faac0): _writeAt: size=6, off=5
2026/01/09 03:27:50 DEBUG : file1(0xc0006faac0): >_writeAt: n=6, err=<nil>
2026/01/09 03:27:50 DEBUG : file1(0xc0006faac0): close: 
2026/01/09 03:27:50 DEBUG : file1: vfs cache: setting modification time to 2026-01-09 03:27:50.864368528 +0000 UTC m=+108.007968573
2026/01/09 03:27:50 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/01/09 03:27:50 DEBUG : file1(0xc0006faac0): >close: err=<nil>
2026/01/09 03:27:50 DEBUG : file1(0xc0006faac0): _writeAt: size=5, off=0
2026/01/09 03:27:50 DEBUG : file1(0xc0006faac0): >_writeAt: n=0, err=file already closed
2026/01/09 03:27:50 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:27:50 DEBUG : Looking for writers
2026/01/09 03:27:50 DEBUG : file1: reading active writers
2026/01/09 03:27:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/01/09 03:27:50 DEBUG : Looking for writers
2026/01/09 03:27:50 DEBUG : file1: reading active writers
2026/01/09 03:27:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/01/09 03:27:50 DEBUG : Looking for writers
2026/01/09 03:27:50 DEBUG : file1: reading active writers
2026/01/09 03:27:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/01/09 03:27:50 DEBUG : Looking for writers
2026/01/09 03:27:50 DEBUG : file1: reading active writers
2026/01/09 03:27:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/01/09 03:27:50 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:27:51 DEBUG : Looking for writers
2026/01/09 03:27:51 DEBUG : file1: reading active writers
2026/01/09 03:27:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/01/09 03:27:51 DEBUG : Looking for writers
2026/01/09 03:27:51 DEBUG : file1: reading active writers
2026/01/09 03:27:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/01/09 03:27:51 DEBUG : Looking for writers
2026/01/09 03:27:51 DEBUG : file1: reading active writers
2026/01/09 03:27:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/01/09 03:27:51.747253 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
2026/01/09 03:27:51.747289 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)
2026/01/09 03:27:51 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)
2026/01/09 03:27:51 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)
2026/01/09 03:27:51 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:27:52 DEBUG : Looking for writers
2026/01/09 03:27:52 DEBUG : file1: reading active writers
2026/01/09 03:27:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:52.723744 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
2026/01/09 03:27:52.723775 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)
2026/01/09 03:27:52 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)
2026/01/09 03:27:52 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)
2026/01/09 03:27:53 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:27:53 DEBUG : Looking for writers
2026/01/09 03:27:53 DEBUG : file1: reading active writers
2026/01/09 03:27:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:53.916818 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
2026/01/09 03:27:53.916837 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)
2026/01/09 03:27:53 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)
2026/01/09 03:27:53 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)
2026/01/09 03:27:54 DEBUG : Looking for writers
2026/01/09 03:27:54 DEBUG : file1: reading active writers
2026/01/09 03:27:54 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:54 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:27:55 DEBUG : Looking for writers
2026/01/09 03:27:55 DEBUG : file1: reading active writers
2026/01/09 03:27:55 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:55.510836 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
2026/01/09 03:27:55.510857 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)
2026/01/09 03:27:55 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)
2026/01/09 03:27:55 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)
2026/01/09 03:27:56 DEBUG : Looking for writers
2026/01/09 03:27:56 DEBUG : file1: reading active writers
2026/01/09 03:27:56 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:57 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:27:57 DEBUG : Looking for writers
2026/01/09 03:27:57 DEBUG : file1: reading active writers
2026/01/09 03:27:57 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:57.841734 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
2026/01/09 03:27:57.841769 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)
2026/01/09 03:27:57 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)
2026/01/09 03:27:57 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)
2026/01/09 03:27:58 DEBUG : Looking for writers
2026/01/09 03:27:58 DEBUG : file1: reading active writers
2026/01/09 03:27:58 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:27:59 DEBUG : Looking for writers
2026/01/09 03:27:59 DEBUG : file1: reading active writers
2026/01/09 03:27:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:00 DEBUG : Looking for writers
2026/01/09 03:28:00 DEBUG : file1: reading active writers
2026/01/09 03:28:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:01 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:28:01 DEBUG : Looking for writers
2026/01/09 03:28:01 DEBUG : file1: reading active writers
2026/01/09 03:28:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:01.873593 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
2026/01/09 03:28:01.873627 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)
2026/01/09 03:28:01 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)
2026/01/09 03:28:01 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)
2026/01/09 03:28:02 DEBUG : Looking for writers
2026/01/09 03:28:02 DEBUG : file1: reading active writers
2026/01/09 03:28:02 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:03 DEBUG : Looking for writers
2026/01/09 03:28:03 DEBUG : file1: reading active writers
2026/01/09 03:28:03 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:04 DEBUG : Looking for writers
2026/01/09 03:28:04 DEBUG : file1: reading active writers
2026/01/09 03:28:04 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:05 DEBUG : Looking for writers
2026/01/09 03:28:05 DEBUG : file1: reading active writers
2026/01/09 03:28:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:06 DEBUG : Looking for writers
2026/01/09 03:28:06 DEBUG : file1: reading active writers
2026/01/09 03:28:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:07 DEBUG : Looking for writers
2026/01/09 03:28:07 DEBUG : file1: reading active writers
2026/01/09 03:28:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:08 DEBUG : Looking for writers
2026/01/09 03:28:08 DEBUG : file1: reading active writers
2026/01/09 03:28:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:08 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:28:09.055694 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
2026/01/09 03:28:09.055711 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)
2026/01/09 03:28:09 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)
2026/01/09 03:28:09 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)
2026/01/09 03:28:09 DEBUG : Looking for writers
2026/01/09 03:28:09 DEBUG : file1: reading active writers
2026/01/09 03:28:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:10 DEBUG : Looking for writers
2026/01/09 03:28:10 DEBUG : file1: reading active writers
2026/01/09 03:28:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:11 DEBUG : Looking for writers
2026/01/09 03:28:11 DEBUG : file1: reading active writers
2026/01/09 03:28:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:12 DEBUG : Looking for writers
2026/01/09 03:28:12 DEBUG : file1: reading active writers
2026/01/09 03:28:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:13 DEBUG : Looking for writers
2026/01/09 03:28:13 DEBUG : file1: reading active writers
2026/01/09 03:28:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:14 DEBUG : Looking for writers
2026/01/09 03:28:14 DEBUG : file1: reading active writers
2026/01/09 03:28:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:15 DEBUG : Looking for writers
2026/01/09 03:28:15 DEBUG : file1: reading active writers
2026/01/09 03:28:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:16 DEBUG : Looking for writers
2026/01/09 03:28:16 DEBUG : file1: reading active writers
2026/01/09 03:28:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:17 DEBUG : Looking for writers
2026/01/09 03:28:17 DEBUG : file1: reading active writers
2026/01/09 03:28:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:18 DEBUG : Looking for writers
2026/01/09 03:28:18 DEBUG : file1: reading active writers
2026/01/09 03:28:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:19 DEBUG : Looking for writers
2026/01/09 03:28:19 DEBUG : file1: reading active writers
2026/01/09 03:28:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:20 DEBUG : Looking for writers
2026/01/09 03:28:20 DEBUG : file1: reading active writers
2026/01/09 03:28:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:20 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc00065a3c0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc0004f1b08 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824638905152} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001756446405244816 ext:108007968573 loc:0x42cf0a0} ATime:{wall:14001756446405270824 ext:108007994592 loc:0x42cf0a0} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/01/09 03:28:20 DEBUG : >WaitForWriters: 
2026/01/09 03:28:21 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
2026/01/09 03:28:21 DEBUG : file1: vfs cache: starting upload
    fstest.go:301: Flushing the directory cache
2026/01/09 03:28:22.668105 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
2026/01/09 03:28:22.668131 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)
2026/01/09 03:28:22 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)
2026/01/09 03:28:22 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)
2026/01/09 03:28:22 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
2026/01/09 03:28:25 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
2026/01/09 03:28:29 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:28:29 DEBUG : Looking for writers
2026/01/09 03:28:29 DEBUG : file1: reading active writers
2026/01/09 03:28:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/01/09 03:28:29 DEBUG : Looking for writers
2026/01/09 03:28:29 DEBUG : file1: reading active writers
2026/01/09 03:28:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/01/09 03:28:29 DEBUG : Looking for writers
2026/01/09 03:28:29 DEBUG : file1: reading active writers
2026/01/09 03:28:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/01/09 03:28:29 DEBUG : Looking for writers
2026/01/09 03:28:29 DEBUG : file1: reading active writers
2026/01/09 03:28:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/01/09 03:28:29 DEBUG : Looking for writers
2026/01/09 03:28:29 DEBUG : file1: reading active writers
2026/01/09 03:28:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/01/09 03:28:29 DEBUG : Looking for writers
2026/01/09 03:28:29 DEBUG : file1: reading active writers
2026/01/09 03:28:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/01/09 03:28:29 DEBUG : Looking for writers
2026/01/09 03:28:29 DEBUG : file1: reading active writers
2026/01/09 03:28:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/01/09 03:28:30 DEBUG : Looking for writers
2026/01/09 03:28:30 DEBUG : file1: reading active writers
2026/01/09 03:28:30 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:31 DEBUG : Looking for writers
2026/01/09 03:28:31 DEBUG : file1: reading active writers
2026/01/09 03:28:31 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:32 DEBUG : Looking for writers
2026/01/09 03:28:32 DEBUG : file1: reading active writers
2026/01/09 03:28:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:33 DEBUG : Looking for writers
2026/01/09 03:28:33 DEBUG : file1: reading active writers
2026/01/09 03:28:33 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:34 DEBUG : Looking for writers
2026/01/09 03:28:34 DEBUG : file1: reading active writers
2026/01/09 03:28:34 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:35 DEBUG : Looking for writers
2026/01/09 03:28:35 DEBUG : file1: reading active writers
2026/01/09 03:28:35 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:36 DEBUG : Looking for writers
2026/01/09 03:28:36 DEBUG : file1: reading active writers
2026/01/09 03:28:36 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:37 DEBUG : Looking for writers
2026/01/09 03:28:37 DEBUG : file1: reading active writers
2026/01/09 03:28:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:38 DEBUG : Looking for writers
2026/01/09 03:28:38 DEBUG : file1: reading active writers
2026/01/09 03:28:38 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:39 DEBUG : Looking for writers
2026/01/09 03:28:39 DEBUG : file1: reading active writers
2026/01/09 03:28:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:40 DEBUG : Looking for writers
2026/01/09 03:28:40 DEBUG : file1: reading active writers
2026/01/09 03:28:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:41 DEBUG : Looking for writers
2026/01/09 03:28:41 DEBUG : file1: reading active writers
2026/01/09 03:28:41 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:42 DEBUG : Looking for writers
2026/01/09 03:28:42 DEBUG : file1: reading active writers
2026/01/09 03:28:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:43 DEBUG : Looking for writers
2026/01/09 03:28:43 DEBUG : file1: reading active writers
2026/01/09 03:28:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:44 DEBUG : Looking for writers
2026/01/09 03:28:44 DEBUG : file1: reading active writers
2026/01/09 03:28:44 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:45 DEBUG : Looking for writers
2026/01/09 03:28:45 DEBUG : file1: reading active writers
2026/01/09 03:28:45 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:46 DEBUG : Looking for writers
2026/01/09 03:28:46 DEBUG : file1: reading active writers
2026/01/09 03:28:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:47 DEBUG : Looking for writers
2026/01/09 03:28:47 DEBUG : file1: reading active writers
2026/01/09 03:28:47 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:48 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:28:48 DEBUG : Looking for writers
2026/01/09 03:28:48 DEBUG : file1: reading active writers
2026/01/09 03:28:48 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:49.266944 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
2026/01/09 03:28:49.266966 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)
2026/01/09 03:28:49 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)
2026/01/09 03:28:49 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)
2026/01/09 03:28:49 DEBUG : Looking for writers
2026/01/09 03:28:49 DEBUG : file1: reading active writers
2026/01/09 03:28:49 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:50 DEBUG : Looking for writers
2026/01/09 03:28:50 DEBUG : file1: reading active writers
2026/01/09 03:28:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:50 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/01/09 03:28:50 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 1 (was 1) in use 1, to upload 1, uploading 0, total size 11 (was 11)
2026/01/09 03:28:51 DEBUG : Looking for writers
2026/01/09 03:28:51 DEBUG : file1: reading active writers
2026/01/09 03:28:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:52 DEBUG : Looking for writers
2026/01/09 03:28:52 DEBUG : file1: reading active writers
2026/01/09 03:28:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:53 DEBUG : Looking for writers
2026/01/09 03:28:53 DEBUG : file1: reading active writers
2026/01/09 03:28:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:54 DEBUG : Looking for writers
2026/01/09 03:28:54 DEBUG : file1: reading active writers
2026/01/09 03:28:54 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:55 DEBUG : Looking for writers
2026/01/09 03:28:55 DEBUG : file1: reading active writers
2026/01/09 03:28:55 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:56 DEBUG : Looking for writers
2026/01/09 03:28:56 DEBUG : file1: reading active writers
2026/01/09 03:28:56 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:57 DEBUG : Looking for writers
2026/01/09 03:28:57 DEBUG : file1: reading active writers
2026/01/09 03:28:57 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:58 DEBUG : Looking for writers
2026/01/09 03:28:58 DEBUG : file1: reading active writers
2026/01/09 03:28:58 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:28:59 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc00065a3c0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc0004f1b08 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824638905152} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001756446405244816 ext:108007968573 loc:0x42cf0a0} ATime:{wall:14001756446405270824 ext:108007994592 loc:0x42cf0a0} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/01/09 03:28:59 DEBUG : >WaitForWriters: 
2026/01/09 03:28:59 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:28:59 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleWriteAt (68.74s)
=== RUN   TestRWFileHandleWriteNoWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:28:59 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:28:59 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:28:59 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:28:59 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:28:59 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:28:59 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:28:59 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:28:59 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:28:59 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:28:59 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:28:59 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:28:59 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:28:59 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:28:59 DEBUG : file1: newRWFileHandle: 
2026/01/09 03:28:59 DEBUG : file1(0xc0006d77c0): openPending: 
2026/01/09 03:28:59 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/01/09 03:28:59 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:28:59 DEBUG : file1(0xc0006d77c0): >openPending: err=<nil>
2026/01/09 03:28:59 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/01/09 03:28:59 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:28:59 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/01/09 03:28:59 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/01/09 03:28:59 DEBUG : file1(0xc0006d77c0): close: 
2026/01/09 03:28:59 DEBUG : file1: vfs cache: setting modification time to 2026-01-09 03:28:59.587035298 +0000 UTC m=+176.730635353
2026/01/09 03:28:59 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/01/09 03:28:59 DEBUG : file1(0xc0006d77c0): >close: err=<nil>
2026/01/09 03:28:59 DEBUG : file2: OpenFile: flags=O_WRONLY|O_CREATE|O_TRUNC, perm=-rwxrwxrwx
2026/01/09 03:28:59 DEBUG : file2: Open: flags=O_WRONLY|O_CREATE|O_TRUNC
2026/01/09 03:28:59 DEBUG : file2: newRWFileHandle: 
2026/01/09 03:28:59 DEBUG : file2(0xc0006d7c80): openPending: 
2026/01/09 03:28:59 DEBUG : file2: vfs cache: truncate to size=0 (not needed as size correct)
2026/01/09 03:28:59 DEBUG : Added virtual directory entry vAddFile: "file2"
2026/01/09 03:28:59 DEBUG : file2(0xc0006d7c80): >openPending: err=<nil>
2026/01/09 03:28:59 DEBUG : file2: >newRWFileHandle: err=<nil>
2026/01/09 03:28:59 DEBUG : Added virtual directory entry vAddFile: "file2"
2026/01/09 03:28:59 DEBUG : file2: >Open: fd=file2 (rw), err=<nil>
2026/01/09 03:28:59 DEBUG : file2: >OpenFile: fd=file2 (rw), err=<nil>
2026/01/09 03:28:59 DEBUG : file2(0xc0006d7c80): RWFileHandle.Flush
2026/01/09 03:28:59 DEBUG : file2(0xc0006d7c80): RWFileHandle.Release
2026/01/09 03:28:59 DEBUG : file2(0xc0006d7c80): close: 
2026/01/09 03:28:59 DEBUG : file2: vfs cache: setting modification time to 2026-01-09 03:28:59.588612552 +0000 UTC m=+176.732212607
2026/01/09 03:28:59 INFO  : file2: vfs cache: queuing for upload in 100ms
2026/01/09 03:28:59 DEBUG : file2(0xc0006d7c80): >close: err=<nil>
2026/01/09 03:28:59 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:28:59 DEBUG : Looking for writers
2026/01/09 03:28:59 DEBUG : file1: reading active writers
2026/01/09 03:28:59 DEBUG : file2: reading active writers
2026/01/09 03:28:59 DEBUG : Still 0 writers active and 2 cache items in use, waiting 10ms
2026/01/09 03:28:59 DEBUG : Looking for writers
2026/01/09 03:28:59 DEBUG : file2: reading active writers
2026/01/09 03:28:59 DEBUG : file1: reading active writers
2026/01/09 03:28:59 DEBUG : Still 0 writers active and 2 cache items in use, waiting 20ms
2026/01/09 03:28:59 DEBUG : Looking for writers
2026/01/09 03:28:59 DEBUG : file1: reading active writers
2026/01/09 03:28:59 DEBUG : file2: reading active writers
2026/01/09 03:28:59 DEBUG : Still 0 writers active and 2 cache items in use, waiting 40ms
2026/01/09 03:28:59 DEBUG : Looking for writers
2026/01/09 03:28:59 DEBUG : file1: reading active writers
2026/01/09 03:28:59 DEBUG : file2: reading active writers
2026/01/09 03:28:59 DEBUG : Still 0 writers active and 2 cache items in use, waiting 80ms
2026/01/09 03:28:59 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:28:59 DEBUG : file2: vfs cache: starting upload
2026/01/09 03:28:59 DEBUG : Looking for writers
2026/01/09 03:28:59 DEBUG : file1: reading active writers
2026/01/09 03:28:59 DEBUG : file2: reading active writers
2026/01/09 03:28:59 DEBUG : Still 0 writers active and 2 cache items in use, waiting 160ms
2026/01/09 03:28:59 DEBUG : Looking for writers
2026/01/09 03:28:59 DEBUG : file1: reading active writers
2026/01/09 03:28:59 DEBUG : file2: reading active writers
2026/01/09 03:28:59 DEBUG : Still 0 writers active and 2 cache items in use, waiting 320ms
2026/01/09 03:29:00 DEBUG : Looking for writers
2026/01/09 03:29:00 DEBUG : file1: reading active writers
2026/01/09 03:29:00 DEBUG : file2: reading active writers
2026/01/09 03:29:00 DEBUG : Still 0 writers active and 2 cache items in use, waiting 640ms
2026/01/09 03:29:00.466560 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
2026/01/09 03:29:00.466584 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)
2026/01/09 03:29:00 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)
2026/01/09 03:29:00 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)
2026/01/09 03:29:00 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:29:00 DEBUG : Looking for writers
2026/01/09 03:29:00 DEBUG : file1: reading active writers
2026/01/09 03:29:00 DEBUG : file2: reading active writers
2026/01/09 03:29:00 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:01.278418 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
2026/01/09 03:29:01.278463 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)
2026/01/09 03:29:01 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)
2026/01/09 03:29:01 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)
2026/01/09 03:29:01 DEBUG : file2: vfs cache: starting upload
2026/01/09 03:29:01 DEBUG : Looking for writers
2026/01/09 03:29:01 DEBUG : file1: reading active writers
2026/01/09 03:29:01 DEBUG : file2: reading active writers
2026/01/09 03:29:01 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:02.090415 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
2026/01/09 03:29:02.090728 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)
2026/01/09 03:29:02 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)
2026/01/09 03:29:02 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)
2026/01/09 03:29:02 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:29:02.829073 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
2026/01/09 03:29:02.829100 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)
2026/01/09 03:29:02 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)
2026/01/09 03:29:02 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)
2026/01/09 03:29:02 DEBUG : Looking for writers
2026/01/09 03:29:02 DEBUG : file1: reading active writers
2026/01/09 03:29:02 DEBUG : file2: reading active writers
2026/01/09 03:29:02 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:03 DEBUG : file2: vfs cache: starting upload
2026/01/09 03:29:03.579366 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
2026/01/09 03:29:03.579390 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)
2026/01/09 03:29:03 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)
2026/01/09 03:29:03 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)
2026/01/09 03:29:03 DEBUG : Looking for writers
2026/01/09 03:29:03 DEBUG : file1: reading active writers
2026/01/09 03:29:03 DEBUG : file2: reading active writers
2026/01/09 03:29:03 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:04.342023 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
2026/01/09 03:29:04.342091 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)
2026/01/09 03:29:04 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)
2026/01/09 03:29:04 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)
2026/01/09 03:29:04 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:29:04 DEBUG : Looking for writers
2026/01/09 03:29:04 DEBUG : file1: reading active writers
2026/01/09 03:29:04 DEBUG : file2: reading active writers
2026/01/09 03:29:04 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:05.094110 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
2026/01/09 03:29:05.094131 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)
2026/01/09 03:29:05 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)
2026/01/09 03:29:05 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)
2026/01/09 03:29:05 DEBUG : file2: vfs cache: starting upload
2026/01/09 03:29:05 DEBUG : Looking for writers
2026/01/09 03:29:05 DEBUG : file1: reading active writers
2026/01/09 03:29:05 DEBUG : file2: reading active writers
2026/01/09 03:29:05 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:05.967783 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
2026/01/09 03:29:05.967806 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)
2026/01/09 03:29:05 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)
2026/01/09 03:29:05 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)
2026/01/09 03:29:06 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:29:06 DEBUG : Looking for writers
2026/01/09 03:29:06 DEBUG : file2: reading active writers
2026/01/09 03:29:06 DEBUG : file1: reading active writers
2026/01/09 03:29:06 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:07.460518 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
2026/01/09 03:29:07.460539 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)
2026/01/09 03:29:07 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)
2026/01/09 03:29:07 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)
2026/01/09 03:29:07 DEBUG : file2: vfs cache: starting upload
2026/01/09 03:29:07 DEBUG : Looking for writers
2026/01/09 03:29:07 DEBUG : file1: reading active writers
2026/01/09 03:29:07 DEBUG : file2: reading active writers
2026/01/09 03:29:07 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:08.389598 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
2026/01/09 03:29:08.389631 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)
2026/01/09 03:29:08 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)
2026/01/09 03:29:08 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)
2026/01/09 03:29:08 DEBUG : Looking for writers
2026/01/09 03:29:08 DEBUG : file1: reading active writers
2026/01/09 03:29:08 DEBUG : file2: reading active writers
2026/01/09 03:29:08 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:09 DEBUG : Looking for writers
2026/01/09 03:29:09 DEBUG : file1: reading active writers
2026/01/09 03:29:09 DEBUG : file2: reading active writers
2026/01/09 03:29:09 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:10 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:29:10 DEBUG : Looking for writers
2026/01/09 03:29:10 DEBUG : file1: reading active writers
2026/01/09 03:29:10 DEBUG : file2: reading active writers
2026/01/09 03:29:10 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:11.436163 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
2026/01/09 03:29:11.436183 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)
2026/01/09 03:29:11 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)
2026/01/09 03:29:11 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)
2026/01/09 03:29:11 DEBUG : file2: vfs cache: starting upload
2026/01/09 03:29:11 DEBUG : Looking for writers
2026/01/09 03:29:11 DEBUG : file1: reading active writers
2026/01/09 03:29:11 DEBUG : file2: reading active writers
2026/01/09 03:29:11 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:12.418761 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
2026/01/09 03:29:12.418790 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)
2026/01/09 03:29:12 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)
2026/01/09 03:29:12 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)
2026/01/09 03:29:12 DEBUG : Looking for writers
2026/01/09 03:29:12 DEBUG : file1: reading active writers
2026/01/09 03:29:12 DEBUG : file2: reading active writers
2026/01/09 03:29:12 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:13 DEBUG : Looking for writers
2026/01/09 03:29:13 DEBUG : file1: reading active writers
2026/01/09 03:29:13 DEBUG : file2: reading active writers
2026/01/09 03:29:13 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:14 DEBUG : Looking for writers
2026/01/09 03:29:14 DEBUG : file1: reading active writers
2026/01/09 03:29:14 DEBUG : file2: reading active writers
2026/01/09 03:29:14 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:15 DEBUG : Looking for writers
2026/01/09 03:29:15 DEBUG : file2: reading active writers
2026/01/09 03:29:15 DEBUG : file1: reading active writers
2026/01/09 03:29:15 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:16 DEBUG : Looking for writers
2026/01/09 03:29:16 DEBUG : file1: reading active writers
2026/01/09 03:29:16 DEBUG : file2: reading active writers
2026/01/09 03:29:16 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:17 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:29:17 DEBUG : Looking for writers
2026/01/09 03:29:17 DEBUG : file1: reading active writers
2026/01/09 03:29:17 DEBUG : file2: reading active writers
2026/01/09 03:29:17 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:18.615860 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
2026/01/09 03:29:18.615921 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)
2026/01/09 03:29:18 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)
2026/01/09 03:29:18 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)
2026/01/09 03:29:18 DEBUG : file2: vfs cache: starting upload
2026/01/09 03:29:18 DEBUG : Looking for writers
2026/01/09 03:29:18 DEBUG : file1: reading active writers
2026/01/09 03:29:18 DEBUG : file2: reading active writers
2026/01/09 03:29:18 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:19.596642 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
2026/01/09 03:29:19.596666 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)
2026/01/09 03:29:19 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)
2026/01/09 03:29:19 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)
2026/01/09 03:29:19 DEBUG : Looking for writers
2026/01/09 03:29:19 DEBUG : file1: reading active writers
2026/01/09 03:29:19 DEBUG : file2: reading active writers
2026/01/09 03:29:19 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:20 DEBUG : Looking for writers
2026/01/09 03:29:20 DEBUG : file1: reading active writers
2026/01/09 03:29:20 DEBUG : file2: reading active writers
2026/01/09 03:29:20 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:21 DEBUG : Looking for writers
2026/01/09 03:29:21 DEBUG : file1: reading active writers
2026/01/09 03:29:21 DEBUG : file2: reading active writers
2026/01/09 03:29:21 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:22 DEBUG : Looking for writers
2026/01/09 03:29:22 DEBUG : file1: reading active writers
2026/01/09 03:29:22 DEBUG : file2: reading active writers
2026/01/09 03:29:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:23 DEBUG : Looking for writers
2026/01/09 03:29:23 DEBUG : file1: reading active writers
2026/01/09 03:29:23 DEBUG : file2: reading active writers
2026/01/09 03:29:23 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:24 DEBUG : Looking for writers
2026/01/09 03:29:24 DEBUG : file1: reading active writers
2026/01/09 03:29:24 DEBUG : file2: reading active writers
2026/01/09 03:29:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:25 DEBUG : Looking for writers
2026/01/09 03:29:25 DEBUG : file1: reading active writers
2026/01/09 03:29:25 DEBUG : file2: reading active writers
2026/01/09 03:29:25 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:26 DEBUG : Looking for writers
2026/01/09 03:29:26 DEBUG : file1: reading active writers
2026/01/09 03:29:26 DEBUG : file2: reading active writers
2026/01/09 03:29:26 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:27 DEBUG : Looking for writers
2026/01/09 03:29:27 DEBUG : file1: reading active writers
2026/01/09 03:29:27 DEBUG : file2: reading active writers
2026/01/09 03:29:27 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:28 DEBUG : Looking for writers
2026/01/09 03:29:28 DEBUG : file1: reading active writers
2026/01/09 03:29:28 DEBUG : file2: reading active writers
2026/01/09 03:29:28 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:29 ERROR : Exiting even though 0 writers active and 2 cache items in use after 30s
Cache{
	"file1": &{c:0xc000a1f950 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000a8e708 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824644790080} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001756520216097442 ext:176730635353 loc:0x42cf0a0} ATime:{wall:14001756520216380175 ext:176730918077 loc:0x42cf0a0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
	"file2": &{c:0xc000a1f950 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000a8e808 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824644790336} name:file2 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001756520217674696 ext:176732212607 loc:0x42cf0a0} ATime:{wall:14001756520218000180 ext:176732538080 loc:0x42cf0a0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:2 pendingAccesses:0 modified:false beingReset:false},
}
2026/01/09 03:29:29 DEBUG : >WaitForWriters: 
2026/01/09 03:29:29 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
2026/01/09 03:29:31 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
2026/01/09 03:29:31 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:29:32.211571 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
2026/01/09 03:29:32.211604 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)
2026/01/09 03:29:32 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)
2026/01/09 03:29:32 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)
2026/01/09 03:29:32 DEBUG : file2: vfs cache: starting upload
    fstest.go:301: Flushing the directory cache
2026/01/09 03:29:33.162304 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
2026/01/09 03:29:33.162324 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)
2026/01/09 03:29:33 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)
2026/01/09 03:29:33 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)
2026/01/09 03:29:33 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
2026/01/09 03:29:37 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:29:37 DEBUG : Looking for writers
2026/01/09 03:29:37 DEBUG : file1: reading active writers
2026/01/09 03:29:37 DEBUG : file2: reading active writers
2026/01/09 03:29:37 DEBUG : Still 0 writers active and 2 cache items in use, waiting 10ms
2026/01/09 03:29:37 DEBUG : Looking for writers
2026/01/09 03:29:37 DEBUG : file1: reading active writers
2026/01/09 03:29:37 DEBUG : file2: reading active writers
2026/01/09 03:29:37 DEBUG : Still 0 writers active and 2 cache items in use, waiting 20ms
2026/01/09 03:29:37 DEBUG : Looking for writers
2026/01/09 03:29:37 DEBUG : file1: reading active writers
2026/01/09 03:29:37 DEBUG : file2: reading active writers
2026/01/09 03:29:37 DEBUG : Still 0 writers active and 2 cache items in use, waiting 40ms
2026/01/09 03:29:37 DEBUG : Looking for writers
2026/01/09 03:29:37 DEBUG : file1: reading active writers
2026/01/09 03:29:37 DEBUG : file2: reading active writers
2026/01/09 03:29:37 DEBUG : Still 0 writers active and 2 cache items in use, waiting 80ms
2026/01/09 03:29:37 DEBUG : Looking for writers
2026/01/09 03:29:37 DEBUG : file1: reading active writers
2026/01/09 03:29:37 DEBUG : file2: reading active writers
2026/01/09 03:29:37 DEBUG : Still 0 writers active and 2 cache items in use, waiting 160ms
2026/01/09 03:29:37 DEBUG : Looking for writers
2026/01/09 03:29:37 DEBUG : file1: reading active writers
2026/01/09 03:29:37 DEBUG : file2: reading active writers
2026/01/09 03:29:37 DEBUG : Still 0 writers active and 2 cache items in use, waiting 320ms
2026/01/09 03:29:38 DEBUG : Looking for writers
2026/01/09 03:29:38 DEBUG : file1: reading active writers
2026/01/09 03:29:38 DEBUG : file2: reading active writers
2026/01/09 03:29:38 DEBUG : Still 0 writers active and 2 cache items in use, waiting 640ms
2026/01/09 03:29:38 DEBUG : Looking for writers
2026/01/09 03:29:38 DEBUG : file1: reading active writers
2026/01/09 03:29:38 DEBUG : file2: reading active writers
2026/01/09 03:29:38 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:39 DEBUG : Looking for writers
2026/01/09 03:29:39 DEBUG : file1: reading active writers
2026/01/09 03:29:39 DEBUG : file2: reading active writers
2026/01/09 03:29:39 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:40 DEBUG : Looking for writers
2026/01/09 03:29:40 DEBUG : file2: reading active writers
2026/01/09 03:29:40 DEBUG : file1: reading active writers
2026/01/09 03:29:40 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:41 DEBUG : Looking for writers
2026/01/09 03:29:41 DEBUG : file1: reading active writers
2026/01/09 03:29:41 DEBUG : file2: reading active writers
2026/01/09 03:29:41 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:42 DEBUG : Looking for writers
2026/01/09 03:29:42 DEBUG : file2: reading active writers
2026/01/09 03:29:42 DEBUG : file1: reading active writers
2026/01/09 03:29:42 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:43 DEBUG : Looking for writers
2026/01/09 03:29:43 DEBUG : file1: reading active writers
2026/01/09 03:29:43 DEBUG : file2: reading active writers
2026/01/09 03:29:43 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:44 DEBUG : Looking for writers
2026/01/09 03:29:44 DEBUG : file2: reading active writers
2026/01/09 03:29:44 DEBUG : file1: reading active writers
2026/01/09 03:29:44 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:45 DEBUG : Looking for writers
2026/01/09 03:29:45 DEBUG : file1: reading active writers
2026/01/09 03:29:45 DEBUG : file2: reading active writers
2026/01/09 03:29:45 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:46 DEBUG : Looking for writers
2026/01/09 03:29:46 DEBUG : file1: reading active writers
2026/01/09 03:29:46 DEBUG : file2: reading active writers
2026/01/09 03:29:46 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:47 DEBUG : Looking for writers
2026/01/09 03:29:47 DEBUG : file1: reading active writers
2026/01/09 03:29:47 DEBUG : file2: reading active writers
2026/01/09 03:29:47 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:48 DEBUG : Looking for writers
2026/01/09 03:29:48 DEBUG : file1: reading active writers
2026/01/09 03:29:48 DEBUG : file2: reading active writers
2026/01/09 03:29:48 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:49 DEBUG : Looking for writers
2026/01/09 03:29:49 DEBUG : file1: reading active writers
2026/01/09 03:29:49 DEBUG : file2: reading active writers
2026/01/09 03:29:49 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:50 DEBUG : Looking for writers
2026/01/09 03:29:50 DEBUG : file1: reading active writers
2026/01/09 03:29:50 DEBUG : file2: reading active writers
2026/01/09 03:29:50 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:51 DEBUG : Looking for writers
2026/01/09 03:29:51 DEBUG : file1: reading active writers
2026/01/09 03:29:51 DEBUG : file2: reading active writers
2026/01/09 03:29:51 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:52 DEBUG : Looking for writers
2026/01/09 03:29:52 DEBUG : file1: reading active writers
2026/01/09 03:29:52 DEBUG : file2: reading active writers
2026/01/09 03:29:52 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:53 DEBUG : Looking for writers
2026/01/09 03:29:53 DEBUG : file1: reading active writers
2026/01/09 03:29:53 DEBUG : file2: reading active writers
2026/01/09 03:29:53 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:54 DEBUG : Looking for writers
2026/01/09 03:29:54 DEBUG : file1: reading active writers
2026/01/09 03:29:54 DEBUG : file2: reading active writers
2026/01/09 03:29:54 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:55 DEBUG : Looking for writers
2026/01/09 03:29:55 DEBUG : file1: reading active writers
2026/01/09 03:29:55 DEBUG : file2: reading active writers
2026/01/09 03:29:55 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:56 DEBUG : Looking for writers
2026/01/09 03:29:56 DEBUG : file1: reading active writers
2026/01/09 03:29:56 DEBUG : file2: reading active writers
2026/01/09 03:29:56 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:57 DEBUG : Looking for writers
2026/01/09 03:29:57 DEBUG : file1: reading active writers
2026/01/09 03:29:57 DEBUG : file2: reading active writers
2026/01/09 03:29:57 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:57 DEBUG : file1: vfs cache: starting upload
2026/01/09 03:29:58.728851 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
2026/01/09 03:29:58.728881 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)
2026/01/09 03:29:58 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)
2026/01/09 03:29:58 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)
2026/01/09 03:29:58 DEBUG : file2: vfs cache: starting upload
2026/01/09 03:29:58 DEBUG : Looking for writers
2026/01/09 03:29:58 DEBUG : file1: reading active writers
2026/01/09 03:29:58 DEBUG : file2: reading active writers
2026/01/09 03:29:58 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:29:59 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/01/09 03:29:59 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file2 not removed, freed 0 bytes
2026/01/09 03:29:59 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 2 (was 2) in use 2, to upload 1, uploading 1, total size 0 (was 0)
2026/01/09 03:29:59.534953 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
2026/01/09 03:29:59.534984 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)
2026/01/09 03:29:59 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)
2026/01/09 03:29:59 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)
2026/01/09 03:29:59 DEBUG : Looking for writers
2026/01/09 03:29:59 DEBUG : file1: reading active writers
2026/01/09 03:29:59 DEBUG : file2: reading active writers
2026/01/09 03:29:59 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:30:00 DEBUG : Looking for writers
2026/01/09 03:30:00 DEBUG : file1: reading active writers
2026/01/09 03:30:00 DEBUG : file2: reading active writers
2026/01/09 03:30:00 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:30:01 DEBUG : Looking for writers
2026/01/09 03:30:01 DEBUG : file2: reading active writers
2026/01/09 03:30:01 DEBUG : file1: reading active writers
2026/01/09 03:30:01 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:30:02 DEBUG : Looking for writers
2026/01/09 03:30:02 DEBUG : file1: reading active writers
2026/01/09 03:30:02 DEBUG : file2: reading active writers
2026/01/09 03:30:02 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:30:03 DEBUG : Looking for writers
2026/01/09 03:30:03 DEBUG : file1: reading active writers
2026/01/09 03:30:03 DEBUG : file2: reading active writers
2026/01/09 03:30:03 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:30:04 DEBUG : Looking for writers
2026/01/09 03:30:04 DEBUG : file1: reading active writers
2026/01/09 03:30:04 DEBUG : file2: reading active writers
2026/01/09 03:30:04 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:30:05 DEBUG : Looking for writers
2026/01/09 03:30:05 DEBUG : file1: reading active writers
2026/01/09 03:30:05 DEBUG : file2: reading active writers
2026/01/09 03:30:05 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:30:06 DEBUG : Looking for writers
2026/01/09 03:30:06 DEBUG : file1: reading active writers
2026/01/09 03:30:06 DEBUG : file2: reading active writers
2026/01/09 03:30:06 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/09 03:30:07 ERROR : Exiting even though 0 writers active and 2 cache items in use after 30s
Cache{
	"file1": &{c:0xc000a1f950 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000a8e708 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824644790080} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001756520216097442 ext:176730635353 loc:0x42cf0a0} ATime:{wall:14001756520216380175 ext:176730918077 loc:0x42cf0a0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
	"file2": &{c:0xc000a1f950 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000a8e808 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824644790336} name:file2 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001756520217674696 ext:176732212607 loc:0x42cf0a0} ATime:{wall:14001756520218000180 ext:176732538080 loc:0x42cf0a0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:2 pendingAccesses:0 modified:false beingReset:false},
}
2026/01/09 03:30:07 DEBUG : >WaitForWriters: 
2026/01/09 03:30:07 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:30:07 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleWriteNoWrite (68.17s)
=== RUN   TestRWFileHandleSizeTruncateExisting
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:07 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:30:07 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:30:07 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:07 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:07 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:07 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:30:07 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:07 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:07 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:30:07 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:07 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:30:08.319039 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
2026/01/09 03:30:08.319060 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-fasoxex9jeje'": 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)
2026/01/09 03:30:08 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:30:08 DEBUG : Looking for writers
2026/01/09 03:30:08 DEBUG : >WaitForWriters: 
2026/01/09 03:30:08 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:30:08 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSizeTruncateExisting (0.86s)
=== RUN   TestRWFileHandleSizeCreateExisting
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:08 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:30:08 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:30:08 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:08 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:08 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:08 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:30:08 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:08 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:08 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:30:08 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:08 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:30:09.153937 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
2026/01/09 03:30:09.153961 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-fasoxex9jeje'": 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)
2026/01/09 03:30:09 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:30:09 DEBUG : Looking for writers
2026/01/09 03:30:09 DEBUG : >WaitForWriters: 
2026/01/09 03:30:09 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:30:09 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSizeCreateExisting (0.83s)
=== RUN   TestRWFileModTimeWithOpenWriters
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:09 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:30:09 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:30:09 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:09 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:09 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:09 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:30:09 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:09 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:09 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:30:09 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:09 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:30:09 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:30:09 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:30:09 DEBUG : file1: newRWFileHandle: 
2026/01/09 03:30:09 DEBUG : file1(0xc000c569c0): openPending: 
2026/01/09 03:30:09 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/01/09 03:30:09 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:30:09 DEBUG : file1(0xc000c569c0): >openPending: err=<nil>
2026/01/09 03:30:09 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/01/09 03:30:09 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:30:09 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/01/09 03:30:09 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/01/09 03:30:10.058676 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
2026/01/09 03:30:10.058711 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-fasoxex9jeje'": 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)
2026/01/09 03:30:10 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:30:10 DEBUG : Looking for writers
2026/01/09 03:30:10 DEBUG : file1: reading active writers
2026/01/09 03:30:10 DEBUG : file1: active writers 1
2026/01/09 03:30:10 DEBUG : Still 1 writers active and 1 cache items in use, waiting 10ms
2026/01/09 03:30:10 DEBUG : Looking for writers
2026/01/09 03:30:10 DEBUG : file1: reading active writers
2026/01/09 03:30:10 DEBUG : file1: active writers 1
2026/01/09 03:30:10 DEBUG : Still 1 writers active and 1 cache items in use, waiting 20ms
2026/01/09 03:30:10 DEBUG : Looking for writers
2026/01/09 03:30:10 DEBUG : file1: reading active writers
2026/01/09 03:30:10 DEBUG : file1: active writers 1
2026/01/09 03:30:10 DEBUG : Still 1 writers active and 1 cache items in use, waiting 40ms
2026/01/09 03:30:10 DEBUG : Looking for writers
2026/01/09 03:30:10 DEBUG : file1: reading active writers
2026/01/09 03:30:10 DEBUG : file1: active writers 1
2026/01/09 03:30:10 DEBUG : Still 1 writers active and 1 cache items in use, waiting 80ms
2026/01/09 03:30:10 DEBUG : Looking for writers
2026/01/09 03:30:10 DEBUG : file1: reading active writers
2026/01/09 03:30:10 DEBUG : file1: active writers 1
2026/01/09 03:30:10 DEBUG : Still 1 writers active and 1 cache items in use, waiting 160ms
2026/01/09 03:30:10 DEBUG : Looking for writers
2026/01/09 03:30:10 DEBUG : file1: reading active writers
2026/01/09 03:30:10 DEBUG : file1: active writers 1
2026/01/09 03:30:10 DEBUG : Still 1 writers active and 1 cache items in use, waiting 320ms
2026/01/09 03:30:10 DEBUG : Looking for writers
2026/01/09 03:30:10 DEBUG : file1: reading active writers
2026/01/09 03:30:10 DEBUG : file1: active writers 1
2026/01/09 03:30:10 DEBUG : Still 1 writers active and 1 cache items in use, waiting 640ms
2026/01/09 03:30:11 DEBUG : Looking for writers
2026/01/09 03:30:11 DEBUG : file1: reading active writers
2026/01/09 03:30:11 DEBUG : file1: active writers 1
2026/01/09 03:30:11 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:12 DEBUG : Looking for writers
2026/01/09 03:30:12 DEBUG : file1: reading active writers
2026/01/09 03:30:12 DEBUG : file1: active writers 1
2026/01/09 03:30:12 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:13 DEBUG : Looking for writers
2026/01/09 03:30:13 DEBUG : file1: reading active writers
2026/01/09 03:30:13 DEBUG : file1: active writers 1
2026/01/09 03:30:13 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:14 DEBUG : Looking for writers
2026/01/09 03:30:14 DEBUG : file1: reading active writers
2026/01/09 03:30:14 DEBUG : file1: active writers 1
2026/01/09 03:30:14 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:15 DEBUG : Looking for writers
2026/01/09 03:30:15 DEBUG : file1: reading active writers
2026/01/09 03:30:15 DEBUG : file1: active writers 1
2026/01/09 03:30:15 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:16 DEBUG : Looking for writers
2026/01/09 03:30:16 DEBUG : file1: reading active writers
2026/01/09 03:30:16 DEBUG : file1: active writers 1
2026/01/09 03:30:16 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:17 DEBUG : Looking for writers
2026/01/09 03:30:17 DEBUG : file1: reading active writers
2026/01/09 03:30:17 DEBUG : file1: active writers 1
2026/01/09 03:30:17 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:18 DEBUG : Looking for writers
2026/01/09 03:30:18 DEBUG : file1: reading active writers
2026/01/09 03:30:18 DEBUG : file1: active writers 1
2026/01/09 03:30:18 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:19 DEBUG : Looking for writers
2026/01/09 03:30:19 DEBUG : file1: reading active writers
2026/01/09 03:30:19 DEBUG : file1: active writers 1
2026/01/09 03:30:19 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:20 DEBUG : Looking for writers
2026/01/09 03:30:20 DEBUG : file1: reading active writers
2026/01/09 03:30:20 DEBUG : file1: active writers 1
2026/01/09 03:30:20 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:21 DEBUG : Looking for writers
2026/01/09 03:30:21 DEBUG : file1: reading active writers
2026/01/09 03:30:21 DEBUG : file1: active writers 1
2026/01/09 03:30:21 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:22 DEBUG : Looking for writers
2026/01/09 03:30:22 DEBUG : file1: reading active writers
2026/01/09 03:30:22 DEBUG : file1: active writers 1
2026/01/09 03:30:22 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:23 DEBUG : Looking for writers
2026/01/09 03:30:23 DEBUG : file1: reading active writers
2026/01/09 03:30:23 DEBUG : file1: active writers 1
2026/01/09 03:30:23 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:24 DEBUG : Looking for writers
2026/01/09 03:30:24 DEBUG : file1: reading active writers
2026/01/09 03:30:24 DEBUG : file1: active writers 1
2026/01/09 03:30:24 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:25 DEBUG : Looking for writers
2026/01/09 03:30:25 DEBUG : file1: reading active writers
2026/01/09 03:30:25 DEBUG : file1: active writers 1
2026/01/09 03:30:25 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:26 DEBUG : Looking for writers
2026/01/09 03:30:26 DEBUG : file1: reading active writers
2026/01/09 03:30:26 DEBUG : file1: active writers 1
2026/01/09 03:30:26 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:27 DEBUG : Looking for writers
2026/01/09 03:30:27 DEBUG : file1: reading active writers
2026/01/09 03:30:27 DEBUG : file1: active writers 1
2026/01/09 03:30:27 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:28 DEBUG : Looking for writers
2026/01/09 03:30:28 DEBUG : file1: reading active writers
2026/01/09 03:30:28 DEBUG : file1: active writers 1
2026/01/09 03:30:28 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:29 DEBUG : Looking for writers
2026/01/09 03:30:29 DEBUG : file1: reading active writers
2026/01/09 03:30:29 DEBUG : file1: active writers 1
2026/01/09 03:30:29 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:30 DEBUG : Looking for writers
2026/01/09 03:30:30 DEBUG : file1: reading active writers
2026/01/09 03:30:30 DEBUG : file1: active writers 1
2026/01/09 03:30:30 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:31 DEBUG : Looking for writers
2026/01/09 03:30:31 DEBUG : file1: reading active writers
2026/01/09 03:30:31 DEBUG : file1: active writers 1
2026/01/09 03:30:31 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:32 DEBUG : Looking for writers
2026/01/09 03:30:32 DEBUG : file1: reading active writers
2026/01/09 03:30:32 DEBUG : file1: active writers 1
2026/01/09 03:30:32 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:33 DEBUG : Looking for writers
2026/01/09 03:30:33 DEBUG : file1: reading active writers
2026/01/09 03:30:33 DEBUG : file1: active writers 1
2026/01/09 03:30:33 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:34 DEBUG : Looking for writers
2026/01/09 03:30:34 DEBUG : file1: reading active writers
2026/01/09 03:30:34 DEBUG : file1: active writers 1
2026/01/09 03:30:34 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:35 DEBUG : Looking for writers
2026/01/09 03:30:35 DEBUG : file1: reading active writers
2026/01/09 03:30:35 DEBUG : file1: active writers 1
2026/01/09 03:30:35 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:36 DEBUG : Looking for writers
2026/01/09 03:30:36 DEBUG : file1: reading active writers
2026/01/09 03:30:36 DEBUG : file1: active writers 1
2026/01/09 03:30:36 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:37 DEBUG : Looking for writers
2026/01/09 03:30:37 DEBUG : file1: reading active writers
2026/01/09 03:30:37 DEBUG : file1: active writers 1
2026/01/09 03:30:37 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:38 DEBUG : Looking for writers
2026/01/09 03:30:38 DEBUG : file1: reading active writers
2026/01/09 03:30:38 DEBUG : file1: active writers 1
2026/01/09 03:30:38 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:39 DEBUG : Looking for writers
2026/01/09 03:30:39 DEBUG : file1: reading active writers
2026/01/09 03:30:39 DEBUG : file1: active writers 1
2026/01/09 03:30:39 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/09 03:30:40 ERROR : Exiting even though 1 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc000adbe00 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000b64508 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824645666112} name:file1 opens:1 downloaders:<nil> o:<nil> fd:0xc000a9e0f8 info:{ModTime:{wall:14001756595231768217 ext:246584378418 loc:0x42cf0a0} ATime:{wall:14001756595231768217 ext:246584378418 loc:0x42cf0a0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:0 pendingAccesses:0 modified:true beingReset:false},
}
2026/01/09 03:30:40 DEBUG : >WaitForWriters: 
2026/01/09 03:30:40 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:30:40 ERROR : error listing: directory not found
--- FAIL: TestRWFileModTimeWithOpenWriters (30.89s)
=== RUN   TestRWCacheUpdate
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:40 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:30:40 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/09 03:30:40 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:40 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:40 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:40 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:30:40 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:40 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:40 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/09 03:30:40 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-fasoxex9jeje"
2026/01/09 03:30:40 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/09 03:30:40 DEBUG : forgetting directory cache
2026/01/09 03:30:40.917878 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
2026/01/09 03:30:40.917900 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-fasoxex9jeje'": 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)
2026/01/09 03:30:40 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:30:40 DEBUG : Looking for writers
2026/01/09 03:30:40 DEBUG : >WaitForWriters: 
2026/01/09 03:30:40 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': vfs cache: cleaner exiting
2026/01/09 03:30:41 ERROR : error listing: directory not found
--- FAIL: TestRWCacheUpdate (0.88s)
=== RUN   TestCaseSensitivity
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:41.708258 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
2026/01/09 03:30:41.708276 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-fasoxex9jeje'": 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)
2026/01/09 03:30:41 ERROR : error listing: directory not found
--- FAIL: TestCaseSensitivity (0.79s)
=== RUN   TestUnicodeNormalization
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:42.485782 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
2026/01/09 03:30:42.485831 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-fasoxex9jeje'": 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)
2026/01/09 03:30:42 ERROR : error listing: directory not found
--- FAIL: TestUnicodeNormalization (0.75s)
=== RUN   TestVFSStat
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:42 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:30:42 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:30:43.299928 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
2026/01/09 03:30:43.299950 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-fasoxex9jeje'": 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)
2026/01/09 03:30:43 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:30:43 DEBUG : Looking for writers
2026/01/09 03:30:43 DEBUG : >WaitForWriters: 
2026/01/09 03:30:43 ERROR : error listing: directory not found
--- FAIL: TestVFSStat (0.83s)
=== RUN   TestVFSStatParent
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:43 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:30:43 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:30:44.083402 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
2026/01/09 03:30:44.083421 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-fasoxex9jeje'": 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)
2026/01/09 03:30:44 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:30:44 DEBUG : Looking for writers
2026/01/09 03:30:44 DEBUG : >WaitForWriters: 
2026/01/09 03:30:44 ERROR : error listing: directory not found
--- FAIL: TestVFSStatParent (0.77s)
=== RUN   TestVFSOpenFile
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:44 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:30:44 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:30:44.866272 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
2026/01/09 03:30:44.866297 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-fasoxex9jeje'": 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)
2026/01/09 03:30:44 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:30:44 DEBUG : Looking for writers
2026/01/09 03:30:44 DEBUG : >WaitForWriters: 
2026/01/09 03:30:45 ERROR : error listing: directory not found
--- FAIL: TestVFSOpenFile (0.78s)
=== RUN   TestVFSRename
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:45 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:30:45 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:30:45.648011 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
2026/01/09 03:30:45.648033 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-fasoxex9jeje'": 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)
2026/01/09 03:30:45 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:30:45 DEBUG : Looking for writers
2026/01/09 03:30:45 DEBUG : >WaitForWriters: 
2026/01/09 03:30:45 ERROR : error listing: directory not found
--- FAIL: TestVFSRename (0.78s)
=== RUN   TestVFSMkdir
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:45 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:30:45 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:30:45 ERROR : error listing: directory not found
2026/01/09 03:30:46.674093 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
2026/01/09 03:30:46.674130 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)
2026/01/09 03:30:46 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
2026/01/09 03:30:46 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:30:46 DEBUG : Looking for writers
2026/01/09 03:30:46 DEBUG : >WaitForWriters: 
2026/01/09 03:30:46 ERROR : error listing: directory not found
--- FAIL: TestVFSMkdir (1.02s)
=== RUN   TestVFSMkdirAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:46 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:30:46 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:30:46 ERROR : error listing: directory not found
2026/01/09 03:30:47 ERROR : error listing: directory not found
2026/01/09 03:30:47.845313 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
2026/01/09 03:30:47.845333 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)
2026/01/09 03:30:47 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
2026/01/09 03:30:47 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:30:47 DEBUG : Looking for writers
2026/01/09 03:30:47 DEBUG : >WaitForWriters: 
2026/01/09 03:30:47 ERROR : error listing: directory not found
--- FAIL: TestVFSMkdirAll (1.18s)
=== RUN   TestWriteFileHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:30:47 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:30:47 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:30:47 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:30:48 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:30:48 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:30:48 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/09 03:30:48 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/09 03:30:48 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:30:48 ERROR : file1: WriteFileHandle: Read: Can't read and write to file without --vfs-cache-mode >= minimal
2026/01/09 03:30:48 ERROR : file1: WriteFileHandle: ReadAt: Can't read and write to file without --vfs-cache-mode >= minimal
2026/01/09 03:30:48 ERROR : file1: WriteFileHandle: Truncate: Can't change size without --vfs-cache-mode >= writes
2026/01/09 03:30:48 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': File to upload is small (5 bytes), uploading instead of streaming
2026/01/09 03:30:48.898151 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
2026/01/09 03:30:48.898180 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)
2026/01/09 03:30:48 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)
2026/01/09 03:30:48 DEBUG : file1: Remove: 
2026/01/09 03:30:48 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/09 03:30:48 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
2026/01/09 03:30:49 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
2026/01/09 03:30:50 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
2026/01/09 03:30:52 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
2026/01/09 03:30:56 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:30:56 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:30:56 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:30:56 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/09 03:30:56 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/09 03:30:56 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:30:56 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': File to upload is small (0 bytes), uploading instead of streaming
2026/01/09 03:30:57.641359 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
2026/01/09 03:30:57.641383 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)
2026/01/09 03:30:57 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)
2026/01/09 03:30:57 DEBUG : file1: Remove: 
2026/01/09 03:30:57 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/09 03:30:57 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
2026/01/09 03:30:57 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:30:57 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:30:57 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:30:57 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/09 03:30:57 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/09 03:30:57 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
2026/01/09 03:30:57 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:30:57 DEBUG : Looking for writers
2026/01/09 03:30:57 DEBUG : file1: reading active writers
2026/01/09 03:30:57 DEBUG : file1: active writers 1
2026/01/09 03:30:57 DEBUG : Still 1 writers active and 0 cache items in use, waiting 10ms
2026/01/09 03:30:57 DEBUG : Looking for writers
2026/01/09 03:30:57 DEBUG : file1: reading active writers
2026/01/09 03:30:57 DEBUG : file1: active writers 1
2026/01/09 03:30:57 DEBUG : Still 1 writers active and 0 cache items in use, waiting 20ms
2026/01/09 03:30:57 DEBUG : Looking for writers
2026/01/09 03:30:57 DEBUG : file1: reading active writers
2026/01/09 03:30:57 DEBUG : file1: active writers 1
2026/01/09 03:30:57 DEBUG : Still 1 writers active and 0 cache items in use, waiting 40ms
2026/01/09 03:30:57 DEBUG : Looking for writers
2026/01/09 03:30:57 DEBUG : file1: reading active writers
2026/01/09 03:30:57 DEBUG : file1: active writers 1
2026/01/09 03:30:57 DEBUG : Still 1 writers active and 0 cache items in use, waiting 80ms
2026/01/09 03:30:57 DEBUG : Looking for writers
2026/01/09 03:30:57 DEBUG : file1: reading active writers
2026/01/09 03:30:57 DEBUG : file1: active writers 1
2026/01/09 03:30:57 DEBUG : Still 1 writers active and 0 cache items in use, waiting 160ms
2026/01/09 03:30:57 DEBUG : Looking for writers
2026/01/09 03:30:57 DEBUG : file1: reading active writers
2026/01/09 03:30:57 DEBUG : file1: active writers 1
2026/01/09 03:30:57 DEBUG : Still 1 writers active and 0 cache items in use, waiting 320ms
2026/01/09 03:30:58 DEBUG : Looking for writers
2026/01/09 03:30:58 DEBUG : file1: reading active writers
2026/01/09 03:30:58 DEBUG : file1: active writers 1
2026/01/09 03:30:58 DEBUG : Still 1 writers active and 0 cache items in use, waiting 640ms
2026/01/09 03:30:58 DEBUG : Looking for writers
2026/01/09 03:30:58 DEBUG : file1: reading active writers
2026/01/09 03:30:58 DEBUG : file1: active writers 1
2026/01/09 03:30:58 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:30:59 DEBUG : Looking for writers
2026/01/09 03:30:59 DEBUG : file1: reading active writers
2026/01/09 03:30:59 DEBUG : file1: active writers 1
2026/01/09 03:30:59 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:00 DEBUG : Looking for writers
2026/01/09 03:31:00 DEBUG : file1: reading active writers
2026/01/09 03:31:00 DEBUG : file1: active writers 1
2026/01/09 03:31:00 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:01 DEBUG : Looking for writers
2026/01/09 03:31:01 DEBUG : file1: reading active writers
2026/01/09 03:31:01 DEBUG : file1: active writers 1
2026/01/09 03:31:01 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:02 DEBUG : Looking for writers
2026/01/09 03:31:02 DEBUG : file1: reading active writers
2026/01/09 03:31:02 DEBUG : file1: active writers 1
2026/01/09 03:31:02 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:03 DEBUG : Looking for writers
2026/01/09 03:31:03 DEBUG : file1: reading active writers
2026/01/09 03:31:03 DEBUG : file1: active writers 1
2026/01/09 03:31:03 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:04 DEBUG : Looking for writers
2026/01/09 03:31:04 DEBUG : file1: reading active writers
2026/01/09 03:31:04 DEBUG : file1: active writers 1
2026/01/09 03:31:04 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:05 DEBUG : Looking for writers
2026/01/09 03:31:05 DEBUG : file1: reading active writers
2026/01/09 03:31:05 DEBUG : file1: active writers 1
2026/01/09 03:31:05 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:06 DEBUG : Looking for writers
2026/01/09 03:31:06 DEBUG : file1: reading active writers
2026/01/09 03:31:06 DEBUG : file1: active writers 1
2026/01/09 03:31:06 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:07 DEBUG : Looking for writers
2026/01/09 03:31:07 DEBUG : file1: reading active writers
2026/01/09 03:31:07 DEBUG : file1: active writers 1
2026/01/09 03:31:07 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:08 DEBUG : Looking for writers
2026/01/09 03:31:08 DEBUG : file1: reading active writers
2026/01/09 03:31:08 DEBUG : file1: active writers 1
2026/01/09 03:31:08 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:09 DEBUG : Looking for writers
2026/01/09 03:31:09 DEBUG : file1: reading active writers
2026/01/09 03:31:09 DEBUG : file1: active writers 1
2026/01/09 03:31:09 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:10 DEBUG : Looking for writers
2026/01/09 03:31:10 DEBUG : file1: reading active writers
2026/01/09 03:31:10 DEBUG : file1: active writers 1
2026/01/09 03:31:10 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:11 DEBUG : Looking for writers
2026/01/09 03:31:11 DEBUG : file1: reading active writers
2026/01/09 03:31:11 DEBUG : file1: active writers 1
2026/01/09 03:31:11 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:12 DEBUG : Looking for writers
2026/01/09 03:31:12 DEBUG : file1: reading active writers
2026/01/09 03:31:12 DEBUG : file1: active writers 1
2026/01/09 03:31:12 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:13 DEBUG : Looking for writers
2026/01/09 03:31:13 DEBUG : file1: reading active writers
2026/01/09 03:31:13 DEBUG : file1: active writers 1
2026/01/09 03:31:13 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:14 DEBUG : Looking for writers
2026/01/09 03:31:14 DEBUG : file1: reading active writers
2026/01/09 03:31:14 DEBUG : file1: active writers 1
2026/01/09 03:31:14 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:15 DEBUG : Looking for writers
2026/01/09 03:31:15 DEBUG : file1: reading active writers
2026/01/09 03:31:15 DEBUG : file1: active writers 1
2026/01/09 03:31:15 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:16 DEBUG : Looking for writers
2026/01/09 03:31:16 DEBUG : file1: reading active writers
2026/01/09 03:31:16 DEBUG : file1: active writers 1
2026/01/09 03:31:16 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:17 DEBUG : Looking for writers
2026/01/09 03:31:17 DEBUG : file1: reading active writers
2026/01/09 03:31:17 DEBUG : file1: active writers 1
2026/01/09 03:31:17 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:18 DEBUG : Looking for writers
2026/01/09 03:31:18 DEBUG : file1: reading active writers
2026/01/09 03:31:18 DEBUG : file1: active writers 1
2026/01/09 03:31:18 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:19 DEBUG : Looking for writers
2026/01/09 03:31:19 DEBUG : file1: reading active writers
2026/01/09 03:31:19 DEBUG : file1: active writers 1
2026/01/09 03:31:19 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:20 DEBUG : Looking for writers
2026/01/09 03:31:20 DEBUG : file1: reading active writers
2026/01/09 03:31:20 DEBUG : file1: active writers 1
2026/01/09 03:31:20 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:21 DEBUG : Looking for writers
2026/01/09 03:31:21 DEBUG : file1: reading active writers
2026/01/09 03:31:21 DEBUG : file1: active writers 1
2026/01/09 03:31:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:22 DEBUG : Looking for writers
2026/01/09 03:31:22 DEBUG : file1: reading active writers
2026/01/09 03:31:22 DEBUG : file1: active writers 1
2026/01/09 03:31:22 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:23 DEBUG : Looking for writers
2026/01/09 03:31:23 DEBUG : file1: reading active writers
2026/01/09 03:31:23 DEBUG : file1: active writers 1
2026/01/09 03:31:23 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:24 DEBUG : Looking for writers
2026/01/09 03:31:24 DEBUG : file1: reading active writers
2026/01/09 03:31:24 DEBUG : file1: active writers 1
2026/01/09 03:31:24 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:25 DEBUG : Looking for writers
2026/01/09 03:31:25 DEBUG : file1: reading active writers
2026/01/09 03:31:25 DEBUG : file1: active writers 1
2026/01/09 03:31:25 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:26 DEBUG : Looking for writers
2026/01/09 03:31:26 DEBUG : file1: reading active writers
2026/01/09 03:31:26 DEBUG : file1: active writers 1
2026/01/09 03:31:26 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/09 03:31:27 ERROR : Exiting even though 1 writers active and 0 cache items in use after 30s
Cache: <nil>
2026/01/09 03:31:27 DEBUG : >WaitForWriters: 
2026/01/09 03:31:27 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleMethods (39.79s)
=== RUN   TestWriteFileHandleWriteAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:31:27 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:31:27 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:31:27 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:31:27 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:31:27 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:31:27 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/09 03:31:27 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/09 03:31:27 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:31:27 DEBUG : file1: waiting for in-sequence write to 100 for 1s
2026/01/09 03:31:28 DEBUG : file1: aborting in-sequence write wait, off=100
2026/01/09 03:31:28 DEBUG : file1: failed to wait for in-sequence write to 100
2026/01/09 03:31:28 ERROR : file1: WriteFileHandle.Write: can't seek in file without --vfs-cache-mode >= writes
2026/01/09 03:31:28 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': File to upload is small (11 bytes), uploading instead of streaming
2026/01/09 03:31:29.723685 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
2026/01/09 03:31:29.723705 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)
2026/01/09 03:31:29 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)
2026/01/09 03:31:29 DEBUG : file1: Remove: 
2026/01/09 03:31:29 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/09 03:31:29 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
2026/01/09 03:31:29 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
2026/01/09 03:31:29 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
2026/01/09 03:31:31 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
2026/01/09 03:31:33 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
2026/01/09 03:31:37 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:31:37 DEBUG : Looking for writers
2026/01/09 03:31:37 DEBUG : >WaitForWriters: 
2026/01/09 03:31:37 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleWriteAt (10.04s)
=== RUN   TestWriteFileHandleFlush
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:31:37 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:31:37 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:31:37 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:31:37 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:31:37 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:31:37 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/09 03:31:37 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/09 03:31:37 DEBUG : file1: WriteFileHandle.Flush unwritten handle, writing 0 bytes to avoid race conditions
2026/01/09 03:31:37 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:31:37 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': File to upload is small (5 bytes), uploading instead of streaming
2026/01/09 03:31:38.746988 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
2026/01/09 03:31:38.747014 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)
2026/01/09 03:31:38 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)
2026/01/09 03:31:38 DEBUG : file1: Remove: 
2026/01/09 03:31:38 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/09 03:31:38 DEBUG : file1: >Remove: err=<nil>
2026/01/09 03:31:38 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
2026/01/09 03:31:38 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
2026/01/09 03:31:38 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:31:38 DEBUG : Looking for writers
2026/01/09 03:31:38 DEBUG : >WaitForWriters: 
2026/01/09 03:31:38 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleFlush (1.11s)
=== RUN   TestWriteFileHandleRelease
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:31:38 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:31:38 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:31:38 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:31:39 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:31:39 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:31:39 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/09 03:31:39 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/09 03:31:39 DEBUG : file1: WriteFileHandle.Release closing
2026/01/09 03:31:39 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:31:39 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': File to upload is small (0 bytes), uploading instead of streaming
2026/01/09 03:31:39.887867 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
2026/01/09 03:31:39.887906 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)
2026/01/09 03:31:39 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)
2026/01/09 03:31:39 DEBUG : file1: Remove: 
2026/01/09 03:31:39 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/09 03:31:39 DEBUG : file1: >Remove: err=<nil>
2026/01/09 03:31:39 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
2026/01/09 03:31:39 DEBUG : file1: WriteFileHandle.Release nothing to do
2026/01/09 03:31:39 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:31:39 DEBUG : Looking for writers
2026/01/09 03:31:39 DEBUG : >WaitForWriters: 
2026/01/09 03:31:40 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleRelease (1.12s)
=== RUN   TestWriteFileModTimeWithOpenWriters
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:31:40 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:31:40 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:31:40 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:31:40 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:31:40 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:31:40 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/09 03:31:40 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/09 03:31:40 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:31:40 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': File to upload is small (2 bytes), uploading instead of streaming
2026/01/09 03:31:40.932259 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
2026/01/09 03:31:40.932287 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)
2026/01/09 03:31:40 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)
2026/01/09 03:31:40 DEBUG : file1: Remove: 
2026/01/09 03:31:40 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/09 03:31:40 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
2026/01/09 03:31:40 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:31:40 DEBUG : Looking for writers
2026/01/09 03:31:40 DEBUG : >WaitForWriters: 
2026/01/09 03:31:41 ERROR : error listing: directory not found
--- FAIL: TestWriteFileModTimeWithOpenWriters (1.02s)
=== RUN   TestFileReadAtZeroLength
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:31:41 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:31:41 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:31:41 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:31:41 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:31:41 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:31:41 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/09 03:31:41 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/09 03:31:41 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:31:41 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': File to upload is small (0 bytes), uploading instead of streaming
2026/01/09 03:31:41.998414 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
2026/01/09 03:31:41.998455 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)
2026/01/09 03:31:41 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)
2026/01/09 03:31:41 DEBUG : file1: Remove: 
2026/01/09 03:31:41 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/09 03:31:41 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
2026/01/09 03:31:41 DEBUG : file1: OpenFile: flags=O_RDONLY, perm=----------
2026/01/09 03:31:41 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
2026/01/09 03:31:41 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:31:41 DEBUG : Looking for writers
2026/01/09 03:31:41 DEBUG : >WaitForWriters: 
2026/01/09 03:31:42 ERROR : error listing: directory not found
--- FAIL: TestFileReadAtZeroLength (1.06s)
=== RUN   TestFileReadAtNonZeroLength
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:31:42 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:31:42 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:31:42 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/09 03:31:42 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/09 03:31:42 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:31:42 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/09 03:31:42 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/09 03:31:42 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/09 03:31:42 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': File to upload is small (100 bytes), uploading instead of streaming
2026/01/09 03:31:43.028200 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
2026/01/09 03:31:43.028218 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)
2026/01/09 03:31:43 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)
2026/01/09 03:31:43 DEBUG : file1: Remove: 
2026/01/09 03:31:43 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/09 03:31:43 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
2026/01/09 03:31:43 DEBUG : file1: OpenFile: flags=O_RDONLY, perm=----------
2026/01/09 03:31:43 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
2026/01/09 03:31:43 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:31:43 DEBUG : Looking for writers
2026/01/09 03:31:43 DEBUG : >WaitForWriters: 
2026/01/09 03:31:43 ERROR : error listing: directory not found
--- FAIL: TestFileReadAtNonZeroLength (1.03s)
=== RUN   TestZipManyFiles
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:31:43 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:31:43 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:31:43.812179 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
2026/01/09 03:31:43.812198 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-fasoxex9jeje'": 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)
2026/01/09 03:31:43 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:31:43 DEBUG : Looking for writers
2026/01/09 03:31:43 DEBUG : >WaitForWriters: 
2026/01/09 03:31:43 ERROR : error listing: directory not found
--- FAIL: TestZipManyFiles (0.78s)
=== RUN   TestZipManySubDirs
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:31:43 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:31:43 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:31:44.633523 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
2026/01/09 03:31:44.633544 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-fasoxex9jeje'": 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)
2026/01/09 03:31:44 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:31:44 DEBUG : Looking for writers
2026/01/09 03:31:44 DEBUG : >WaitForWriters: 
2026/01/09 03:31:44 ERROR : error listing: directory not found
--- FAIL: TestZipManySubDirs (0.83s)
=== RUN   TestZipLargeFiles
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:31:44 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:31:44 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:31:45.439493 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
2026/01/09 03:31:45.439517 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-fasoxex9jeje'": 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)
2026/01/09 03:31:45 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:31:45 DEBUG : Looking for writers
2026/01/09 03:31:45 DEBUG : >WaitForWriters: 
2026/01/09 03:31:45 ERROR : error listing: directory not found
--- FAIL: TestZipLargeFiles (0.81s)
=== RUN   TestZipDirsInRoot
    run.go:185: Remote "proton drive root link ID 'rclone-test-fasoxex9jeje'", Local "Local file system at /tmp/rclone2356363459", Modify Window "1s"
2026/01/09 03:31:45 INFO  : proton drive root link ID 'rclone-test-fasoxex9jeje': poll-interval is not supported by this remote
2026/01/09 03:31:45 NOTICE: proton drive root link ID 'rclone-test-fasoxex9jeje': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/09 03:31:46.148876 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
2026/01/09 03:31:46.148899 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-fasoxex9jeje'": 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)
2026/01/09 03:31:46 DEBUG : WaitForWriters: timeout=30s
2026/01/09 03:31:46 DEBUG : Looking for writers
2026/01/09 03:31:46 DEBUG : >WaitForWriters: 
2026/01/09 03:31:46 ERROR : error listing: directory not found
--- FAIL: TestZipDirsInRoot (0.73s)
FAIL
2026/01/09 03:31:46 DEBUG : proton drive root link ID 'rclone-test-fasoxex9jeje': Purge remote
2026/01/09 03:31:46 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 5m43.62784024s (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]