"./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 4/5)
2026/04/14 04:56:53 DEBUG : Creating backend with remote "TestProtonDrive:rclone-test-wotubex2xuqo"
2026/04/14 04:56:53 DEBUG : Using config file from "/home/rclone/.rclone.conf"
2026/04/14 04:56:53 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': Has cached credentials
2026/04/14 04:56:53 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': Used cached credential to initialize the ProtonDrive API
2026/04/14 04:56:53 DEBUG : Creating backend with remote "/tmp/rclone3466263065"
=== RUN   TestDirHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:53 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:53 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:54.183233 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:54.183277 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:54 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:54 DEBUG : Looking for writers
2026/04/14 04:56:54 DEBUG : >WaitForWriters: 
2026/04/14 04:56:54 ERROR : error listing: directory not found
--- FAIL: TestDirHandleMethods (0.35s)
=== RUN   TestDirHandleReaddir
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:54 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:54 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:54.597528 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:54.597552 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:54 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:54 DEBUG : Looking for writers
2026/04/14 04:56:54 DEBUG : >WaitForWriters: 
2026/04/14 04:56:54 ERROR : error listing: directory not found
--- FAIL: TestDirHandleReaddir (0.39s)
=== RUN   TestDirHandleReaddirnames
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:54 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:54 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:54.986279 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:54.986302 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:54 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:54 DEBUG : Looking for writers
2026/04/14 04:56:54 DEBUG : >WaitForWriters: 
2026/04/14 04:56:55 ERROR : error listing: directory not found
--- FAIL: TestDirHandleReaddirnames (0.55s)
=== RUN   TestDirMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:55 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:55 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:55.901379 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:55.901402 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:55 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:55 DEBUG : Looking for writers
2026/04/14 04:56:55 DEBUG : >WaitForWriters: 
2026/04/14 04:56:55 ERROR : error listing: directory not found
--- FAIL: TestDirMethods (0.75s)
=== RUN   TestDirForgetAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:55 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:55 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:56.220013 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:56.220029 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:56 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:56 DEBUG : Looking for writers
2026/04/14 04:56:56 DEBUG : >WaitForWriters: 
2026/04/14 04:56:56 ERROR : error listing: directory not found
--- FAIL: TestDirForgetAll (0.32s)
=== RUN   TestDirForgetPath
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:56 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:56 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:56.582196 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:56.582224 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:56 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:56 DEBUG : Looking for writers
2026/04/14 04:56:56 DEBUG : >WaitForWriters: 
2026/04/14 04:56:56 ERROR : error listing: directory not found
--- FAIL: TestDirForgetPath (0.36s)
=== RUN   TestDirWalk
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:56 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:56 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:56.901264 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:56.901290 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:56 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:56 DEBUG : Looking for writers
2026/04/14 04:56:56 DEBUG : >WaitForWriters: 
2026/04/14 04:56:56 ERROR : error listing: directory not found
--- FAIL: TestDirWalk (0.35s)
=== RUN   TestDirSetModTime
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:56 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:56 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:57.300899 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:57.300923 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:57 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:57 DEBUG : Looking for writers
2026/04/14 04:56:57 DEBUG : >WaitForWriters: 
2026/04/14 04:56:57 ERROR : error listing: directory not found
--- FAIL: TestDirSetModTime (0.38s)
=== RUN   TestDirStat
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:57 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:57 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:57.724705 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:57.724727 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:57 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:57 DEBUG : Looking for writers
2026/04/14 04:56:57 DEBUG : >WaitForWriters: 
2026/04/14 04:56:57 ERROR : error listing: directory not found
--- FAIL: TestDirStat (0.48s)
=== RUN   TestDirReadDirAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:57 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:57 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:58.267283 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:58.267310 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:58 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:58 DEBUG : Looking for writers
2026/04/14 04:56:58 DEBUG : >WaitForWriters: 
2026/04/14 04:56:58 ERROR : error listing: directory not found
--- FAIL: TestDirReadDirAll (0.71s)
=== RUN   TestDirOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:58 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:58 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:58.865015 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:58.865035 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:58 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:58 DEBUG : Looking for writers
2026/04/14 04:56:58 DEBUG : >WaitForWriters: 
2026/04/14 04:56:58 ERROR : error listing: directory not found
--- FAIL: TestDirOpen (0.37s)
=== RUN   TestDirCreate
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:58 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:58 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:59.228816 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:59.228835 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:59 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:59 DEBUG : Looking for writers
2026/04/14 04:56:59 DEBUG : >WaitForWriters: 
2026/04/14 04:56:59 ERROR : error listing: directory not found
--- FAIL: TestDirCreate (0.38s)
=== RUN   TestDirMkdir
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:59 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:59 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:56:59.607120 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:56:59.607141 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:56:59 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:56:59 DEBUG : Looking for writers
2026/04/14 04:56:59 DEBUG : >WaitForWriters: 
2026/04/14 04:56:59 ERROR : error listing: directory not found
--- FAIL: TestDirMkdir (0.37s)
=== RUN   TestDirMkdirSub
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:56:59 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:56:59 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:00.058711 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:00.058733 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:00 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:00 DEBUG : Looking for writers
2026/04/14 04:57:00 DEBUG : >WaitForWriters: 
2026/04/14 04:57:00 ERROR : error listing: directory not found
--- FAIL: TestDirMkdirSub (0.45s)
=== RUN   TestDirRemove
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:00 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:00 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:00.475466 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:00.475489 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:00 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:00 DEBUG : Looking for writers
2026/04/14 04:57:00 DEBUG : >WaitForWriters: 
2026/04/14 04:57:00 ERROR : error listing: directory not found
--- FAIL: TestDirRemove (0.43s)
=== RUN   TestDirRemoveAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:00 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:00 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:00.884811 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:00.884834 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:00 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:00 DEBUG : Looking for writers
2026/04/14 04:57:00 DEBUG : >WaitForWriters: 
2026/04/14 04:57:01 ERROR : error listing: directory not found
--- FAIL: TestDirRemoveAll (0.49s)
=== RUN   TestDirRemoveName
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:01 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:01 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:01.777353 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:01.777374 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:01 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:01 DEBUG : Looking for writers
2026/04/14 04:57:01 DEBUG : >WaitForWriters: 
2026/04/14 04:57:01 ERROR : error listing: directory not found
--- FAIL: TestDirRemoveName (0.80s)
=== RUN   TestDirRename
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:01 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:01 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:02.159814 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:02.159842 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:02 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:02 DEBUG : Looking for writers
2026/04/14 04:57:02 DEBUG : >WaitForWriters: 
2026/04/14 04:57:02 ERROR : error listing: directory not found
--- FAIL: TestDirRename (0.39s)
=== RUN   TestDirFileOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:02 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:02 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:02.506514 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:02.506541 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:02 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:02 DEBUG : Looking for writers
2026/04/14 04:57:02 DEBUG : >WaitForWriters: 
2026/04/14 04:57:02 ERROR : error listing: directory not found
--- FAIL: TestDirFileOpen (0.35s)
=== RUN   TestDirMetadataExtension
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:02 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:02 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:02.925296 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:02.925317 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:02 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:02 DEBUG : Looking for writers
2026/04/14 04:57:02 DEBUG : >WaitForWriters: 
2026/04/14 04:57:02 ERROR : error listing: directory not found
--- FAIL: TestDirMetadataExtension (0.41s)
=== RUN   TestFileMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:02 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:02 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:03.295127 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:03.295157 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:03 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:03 DEBUG : Looking for writers
2026/04/14 04:57:03 DEBUG : >WaitForWriters: 
2026/04/14 04:57:03 ERROR : error listing: directory not found
--- FAIL: TestFileMethods (0.39s)
=== RUN   TestFileSetModTime
=== RUN   TestFileSetModTime/cache=off,open=false,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:03 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:03 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:03.680013 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:03.680108 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:03 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:03 DEBUG : Looking for writers
2026/04/14 04:57:03 DEBUG : >WaitForWriters: 
2026/04/14 04:57:03 ERROR : error listing: directory not found
=== RUN   TestFileSetModTime/cache=off,open=true,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:03 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:03 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:04.225354 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:04.225382 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:04 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:04 DEBUG : Looking for writers
2026/04/14 04:57:04 DEBUG : >WaitForWriters: 
2026/04/14 04:57:04 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-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:04 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:04 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:04.545424 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:04.545449 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:04 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:04 DEBUG : Looking for writers
2026/04/14 04:57:04 DEBUG : >WaitForWriters: 
2026/04/14 04:57:04 ERROR : error listing: directory not found
=== RUN   TestFileSetModTime/cache=full,open=false,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:04 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:04 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:04 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:04 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:04 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:04 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:04 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:04 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:04 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:04 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:04 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:04.886297 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:04.886322 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:04 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:04 DEBUG : Looking for writers
2026/04/14 04:57:04 DEBUG : >WaitForWriters: 
2026/04/14 04:57:04 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:04 ERROR : error listing: directory not found
=== RUN   TestFileSetModTime/cache=full,open=true,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:04 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:04 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:04 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:04 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:04 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:04 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:04 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:04 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:04 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:04 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:04 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:05.249447 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:05.249470 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:05 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:05 DEBUG : Looking for writers
2026/04/14 04:57:05 DEBUG : >WaitForWriters: 
2026/04/14 04:57:05 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:05 ERROR : error listing: directory not found
=== RUN   TestFileSetModTime/cache=full,open=true,write=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:05 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:05 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:05 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:05 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:05 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:05 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:05 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:05 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:05 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:05 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:05 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:05.574283 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:05.574306 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:05 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:05 DEBUG : Looking for writers
2026/04/14 04:57:05 DEBUG : >WaitForWriters: 
2026/04/14 04:57:05 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:05 ERROR : error listing: directory not found
--- FAIL: TestFileSetModTime (2.30s)
    --- FAIL: TestFileSetModTime/cache=off,open=false,write=false (0.46s)
    --- FAIL: TestFileSetModTime/cache=off,open=true,write=false (0.46s)
    --- FAIL: TestFileSetModTime/cache=off,open=true,write=true (0.31s)
    --- FAIL: TestFileSetModTime/cache=full,open=false,write=false (0.34s)
    --- FAIL: TestFileSetModTime/cache=full,open=true,write=false (0.38s)
    --- FAIL: TestFileSetModTime/cache=full,open=true,write=true (0.34s)
=== RUN   TestFileOpenRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:05 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:05 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:05.947119 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:05.947143 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:05 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:05 DEBUG : Looking for writers
2026/04/14 04:57:05 DEBUG : >WaitForWriters: 
2026/04/14 04:57:06 ERROR : error listing: directory not found
--- FAIL: TestFileOpenRead (0.36s)
=== RUN   TestFileOpenWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:06 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:06 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:06.324802 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:06.324827 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:06 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:06 DEBUG : Looking for writers
2026/04/14 04:57:06 DEBUG : >WaitForWriters: 
2026/04/14 04:57:06 ERROR : error listing: directory not found
--- FAIL: TestFileOpenWrite (0.36s)
=== RUN   TestFileRemove
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:06 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:06 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:06.803160 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:06.803184 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:06 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:06 DEBUG : Looking for writers
2026/04/14 04:57:06 DEBUG : >WaitForWriters: 
2026/04/14 04:57:06 ERROR : error listing: directory not found
--- FAIL: TestFileRemove (0.48s)
=== RUN   TestFileRemoveAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:06 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:06 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:07.198069 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:07.198110 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:07 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:07 DEBUG : Looking for writers
2026/04/14 04:57:07 DEBUG : >WaitForWriters: 
2026/04/14 04:57:07 ERROR : error listing: directory not found
--- FAIL: TestFileRemoveAll (0.41s)
=== RUN   TestFileOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:07 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:07 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:07.557139 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:07.557163 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:07 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:07 DEBUG : Looking for writers
2026/04/14 04:57:07 DEBUG : >WaitForWriters: 
2026/04/14 04:57:07 ERROR : error listing: directory not found
--- FAIL: TestFileOpen (0.34s)
=== RUN   TestFileRename
=== RUN   TestFileRename/off,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:07 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:07 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:07.911980 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:07.912001 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:07 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:07 DEBUG : Looking for writers
2026/04/14 04:57:07 DEBUG : >WaitForWriters: 
2026/04/14 04:57:07 ERROR : error listing: directory not found
=== RUN   TestFileRename/minimal,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:07 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:07 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:07 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:07 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:07 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:07 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:07 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:07 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:07 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:07 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:07 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:07 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:08.335619 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:08.335648 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:08 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:08 DEBUG : Looking for writers
2026/04/14 04:57:08 DEBUG : >WaitForWriters: 
2026/04/14 04:57:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:08 ERROR : error listing: directory not found
=== RUN   TestFileRename/minimal,forceCache=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:08 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:08 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:08 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:08 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:08 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:08 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:08 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:08 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:08 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:08.708787 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:08.708811 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:08 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:08 DEBUG : Looking for writers
2026/04/14 04:57:08 DEBUG : >WaitForWriters: 
2026/04/14 04:57:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:08 ERROR : error listing: directory not found
=== RUN   TestFileRename/writes,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:08 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:08 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:08 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:08 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:08 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:08 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:08 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:08 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:09.103957 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:09.103978 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:09 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:09 DEBUG : Looking for writers
2026/04/14 04:57:09 DEBUG : >WaitForWriters: 
2026/04/14 04:57:09 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:09 ERROR : error listing: directory not found
=== RUN   TestFileRename/writes,forceCache=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:09 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:09 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:09 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:09 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:09 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:09 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:09 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:09 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:09 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:09 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:09 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:09.764427 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:09.764477 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:09 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:09 DEBUG : Looking for writers
2026/04/14 04:57:09 DEBUG : >WaitForWriters: 
2026/04/14 04:57:09 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:09 ERROR : error listing: directory not found
=== RUN   TestFileRename/full,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:09 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:09 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:09 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:09 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:09 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:09 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:09 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:09 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:09 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:09 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:09 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:10.220860 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:10.220883 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:10 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:10 DEBUG : Looking for writers
2026/04/14 04:57:10 DEBUG : >WaitForWriters: 
2026/04/14 04:57:10 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:10 ERROR : error listing: directory not found
--- FAIL: TestFileRename (2.67s)
    --- FAIL: TestFileRename/off,forceCache=false (0.36s)
    --- FAIL: TestFileRename/minimal,forceCache=false (0.42s)
    --- FAIL: TestFileRename/minimal,forceCache=true (0.36s)
    --- FAIL: TestFileRename/writes,forceCache=false (0.41s)
    --- FAIL: TestFileRename/writes,forceCache=true (0.73s)
    --- FAIL: TestFileRename/full,forceCache=false (0.39s)
=== RUN   TestReadFileHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:10 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:10 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:10.592486 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:10.592510 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:10 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:10 DEBUG : Looking for writers
2026/04/14 04:57:10 DEBUG : >WaitForWriters: 
2026/04/14 04:57:10 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleMethods (0.36s)
=== RUN   TestReadFileHandleSeek
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:10 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:10 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:10.930510 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:10.930536 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:10 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:10 DEBUG : Looking for writers
2026/04/14 04:57:10 DEBUG : >WaitForWriters: 
2026/04/14 04:57:10 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleSeek (0.33s)
=== RUN   TestReadFileHandleReadAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:10 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:10 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:11.270001 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:11.270022 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:11 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:11 DEBUG : Looking for writers
2026/04/14 04:57:11 DEBUG : >WaitForWriters: 
2026/04/14 04:57:11 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleReadAt (0.34s)
=== RUN   TestReadFileHandleFlush
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:11 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:11 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:11.617594 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:11.617627 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:11 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:11 DEBUG : Looking for writers
2026/04/14 04:57:11 DEBUG : >WaitForWriters: 
2026/04/14 04:57:11 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleFlush (0.35s)
=== RUN   TestReadFileHandleRelease
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:11 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:11 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 04:57:11.957456 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:11.957480 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:11 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:11 DEBUG : Looking for writers
2026/04/14 04:57:11 DEBUG : >WaitForWriters: 
2026/04/14 04:57:12 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleRelease (0.42s)
=== RUN   TestRWFileHandleMethodsRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:12 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:12 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:12 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:12 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:12 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:12 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:12 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:12 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:12 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:12 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:12 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:12.613118 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:12.613141 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:12 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:12 DEBUG : Looking for writers
2026/04/14 04:57:12 DEBUG : >WaitForWriters: 
2026/04/14 04:57:12 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:12 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleMethodsRead (0.58s)
=== RUN   TestRWFileHandleSeek
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:12 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:12 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:12 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:12 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:12 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:12 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:12 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:12 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:12 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:12 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:12 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:12.976393 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:12.976428 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:12 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:12 DEBUG : Looking for writers
2026/04/14 04:57:12 DEBUG : >WaitForWriters: 
2026/04/14 04:57:12 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:13 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSeek (0.35s)
=== RUN   TestRWFileHandleReadAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:13 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:13 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:13 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:13 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:13 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:13.289002 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:13.289023 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:13 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:13 DEBUG : Looking for writers
2026/04/14 04:57:13 DEBUG : >WaitForWriters: 
2026/04/14 04:57:13 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:13 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleReadAt (0.36s)
=== RUN   TestRWFileHandleFlushRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:13 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:13 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:13 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:13 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:13 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:13.696531 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:13.696553 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:13 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:13 DEBUG : Looking for writers
2026/04/14 04:57:13 DEBUG : >WaitForWriters: 
2026/04/14 04:57:13 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:13 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleFlushRead (0.37s)
=== RUN   TestRWFileHandleReleaseRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:13 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:13 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:13 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:13 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:13 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:13 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:14.040566 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:14.040594 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:14 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:14 DEBUG : Looking for writers
2026/04/14 04:57:14 DEBUG : >WaitForWriters: 
2026/04/14 04:57:14 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:57:14 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleReleaseRead (0.33s)
=== RUN   TestRWFileHandleMethodsWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:57:14 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:57:14 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:57:14 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:14 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:14 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:14 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:14 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:14 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:14 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:57:14 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:57:14 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 04:57:14 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:57:14 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 04:57:14 DEBUG : file1: newRWFileHandle: 
2026/04/14 04:57:14 DEBUG : file1(0x3decfa86340): openPending: 
2026/04/14 04:57:14 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/04/14 04:57:14 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 04:57:14 DEBUG : file1(0x3decfa86340): >openPending: err=<nil>
2026/04/14 04:57:14 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/04/14 04:57:14 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 04:57:14 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/04/14 04:57:14 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/04/14 04:57:14 DEBUG : file1(0x3decfa86340): _writeAt: size=5, off=0
2026/04/14 04:57:14 DEBUG : file1(0x3decfa86340): >_writeAt: n=5, err=<nil>
2026/04/14 04:57:14 DEBUG : file1(0x3decfa86340): _writeAt: size=7, off=5
2026/04/14 04:57:14 DEBUG : file1(0x3decfa86340): >_writeAt: n=7, err=<nil>
2026/04/14 04:57:14 DEBUG : file1: vfs cache: truncate to size=11
2026/04/14 04:57:14 DEBUG : file1(0x3decfa86340): close: 
2026/04/14 04:57:14 DEBUG : file1: vfs cache: setting modification time to 2026-04-14 04:57:14.173613008 +0000 UTC m=+21.178554389
2026/04/14 04:57:14 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/04/14 04:57:14 DEBUG : file1(0x3decfa86340): >close: err=<nil>
2026/04/14 04:57:14 DEBUG : file1(0x3decfa86340): close: 
2026/04/14 04:57:14 DEBUG : file1(0x3decfa86340): >close: err=file already closed
2026/04/14 04:57:14 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:14 DEBUG : Looking for writers
2026/04/14 04:57:14 DEBUG : file1: reading active writers
2026/04/14 04:57:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/04/14 04:57:14 DEBUG : Looking for writers
2026/04/14 04:57:14 DEBUG : file1: reading active writers
2026/04/14 04:57:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/04/14 04:57:14 DEBUG : Looking for writers
2026/04/14 04:57:14 DEBUG : file1: reading active writers
2026/04/14 04:57:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/04/14 04:57:14 DEBUG : Looking for writers
2026/04/14 04:57:14 DEBUG : file1: reading active writers
2026/04/14 04:57:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/04/14 04:57:14 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:57:14 DEBUG : Looking for writers
2026/04/14 04:57:14 DEBUG : file1: reading active writers
2026/04/14 04:57:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/04/14 04:57:14 DEBUG : Looking for writers
2026/04/14 04:57:14 DEBUG : file1: reading active writers
2026/04/14 04:57:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/04/14 04:57:14.644309 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:14.644332 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:14 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)
2026/04/14 04:57:14 ERROR : file1: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:14 DEBUG : Looking for writers
2026/04/14 04:57:14 DEBUG : file1: reading active writers
2026/04/14 04:57:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/04/14 04:57:14 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:57:15 DEBUG : Looking for writers
2026/04/14 04:57:15 DEBUG : file1: reading active writers
2026/04/14 04:57:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:15.667058 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:15.667148 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:15 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:15 ERROR : file1: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:16 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:57:16 DEBUG : Looking for writers
2026/04/14 04:57:16 DEBUG : file1: reading active writers
2026/04/14 04:57:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:16.454397 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:16.454431 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:16 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:16 ERROR : file1: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:17 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:57:17 DEBUG : Looking for writers
2026/04/14 04:57:17 DEBUG : file1: reading active writers
2026/04/14 04:57:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:17.643995 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:17.644022 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:17 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:17 ERROR : file1: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:18 DEBUG : Looking for writers
2026/04/14 04:57:18 DEBUG : file1: reading active writers
2026/04/14 04:57:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:19 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:57:19 DEBUG : Looking for writers
2026/04/14 04:57:19 DEBUG : file1: reading active writers
2026/04/14 04:57:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:19.686901 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:19.686924 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:19 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:19 ERROR : file1: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:20 DEBUG : Looking for writers
2026/04/14 04:57:20 DEBUG : file1: reading active writers
2026/04/14 04:57:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:21 DEBUG : Looking for writers
2026/04/14 04:57:21 DEBUG : file1: reading active writers
2026/04/14 04:57:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:22 DEBUG : Looking for writers
2026/04/14 04:57:22 DEBUG : file1: reading active writers
2026/04/14 04:57:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:22 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:57:23.307015 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:23.307105 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:23 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:23 ERROR : file1: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:23 DEBUG : Looking for writers
2026/04/14 04:57:23 DEBUG : file1: reading active writers
2026/04/14 04:57:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:24 DEBUG : Looking for writers
2026/04/14 04:57:24 DEBUG : file1: reading active writers
2026/04/14 04:57:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:25 DEBUG : Looking for writers
2026/04/14 04:57:25 DEBUG : file1: reading active writers
2026/04/14 04:57:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:26 DEBUG : Looking for writers
2026/04/14 04:57:26 DEBUG : file1: reading active writers
2026/04/14 04:57:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:27 DEBUG : Looking for writers
2026/04/14 04:57:27 DEBUG : file1: reading active writers
2026/04/14 04:57:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:28 DEBUG : Looking for writers
2026/04/14 04:57:28 DEBUG : file1: reading active writers
2026/04/14 04:57:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:29 DEBUG : Looking for writers
2026/04/14 04:57:29 DEBUG : file1: reading active writers
2026/04/14 04:57:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:29 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:57:30.044324 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:30.044349 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:30 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:30 ERROR : file1: vfs cache: failed to upload try #7, will retry in 12.8s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:30 DEBUG : Looking for writers
2026/04/14 04:57:30 DEBUG : file1: reading active writers
2026/04/14 04:57:30 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:31 DEBUG : Looking for writers
2026/04/14 04:57:31 DEBUG : file1: reading active writers
2026/04/14 04:57:31 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:32 DEBUG : Looking for writers
2026/04/14 04:57:32 DEBUG : file1: reading active writers
2026/04/14 04:57:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:33 DEBUG : Looking for writers
2026/04/14 04:57:33 DEBUG : file1: reading active writers
2026/04/14 04:57:33 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:34 DEBUG : Looking for writers
2026/04/14 04:57:34 DEBUG : file1: reading active writers
2026/04/14 04:57:34 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:35 DEBUG : Looking for writers
2026/04/14 04:57:35 DEBUG : file1: reading active writers
2026/04/14 04:57:35 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:36 DEBUG : Looking for writers
2026/04/14 04:57:36 DEBUG : file1: reading active writers
2026/04/14 04:57:36 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:37 DEBUG : Looking for writers
2026/04/14 04:57:37 DEBUG : file1: reading active writers
2026/04/14 04:57:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:38 DEBUG : Looking for writers
2026/04/14 04:57:38 DEBUG : file1: reading active writers
2026/04/14 04:57:38 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:39 DEBUG : Looking for writers
2026/04/14 04:57:39 DEBUG : file1: reading active writers
2026/04/14 04:57:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:40 DEBUG : Looking for writers
2026/04/14 04:57:40 DEBUG : file1: reading active writers
2026/04/14 04:57:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:41 DEBUG : Looking for writers
2026/04/14 04:57:41 DEBUG : file1: reading active writers
2026/04/14 04:57:41 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:42 DEBUG : Looking for writers
2026/04/14 04:57:42 DEBUG : file1: reading active writers
2026/04/14 04:57:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:42 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:57:43.444585 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:57:43.444606 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:43 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)
2026/04/14 04:57:43 ERROR : file1: vfs cache: failed to upload try #8, will retry in 25.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:57:43 DEBUG : Looking for writers
2026/04/14 04:57:43 DEBUG : file1: reading active writers
2026/04/14 04:57:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:44 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0x3decf3eb100 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x3decf9ebd48 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:4255500909952} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010575478157025232 ext:21178554389 loc:0x46a1880} ATime:{wall:14010575478157047094 ext:21178576231 loc:0x46a1880} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
}
2026/04/14 04:57:44 DEBUG : >WaitForWriters: 
2026/04/14 04:57:44 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/04/14 04:57:45 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/04/14 04:57:47 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:337
        	Error:      	Should be true
        	Test:       	TestRWFileHandleMethodsWrite
        	Messages:   	listing wrong, want
        	            	  file1 (11) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:337
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestRWFileHandleMethodsWrite
        	Messages:   	1 objects not found
2026/04/14 04:57:51 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:57:51 DEBUG : Looking for writers
2026/04/14 04:57:51 DEBUG : file1: reading active writers
2026/04/14 04:57:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/04/14 04:57:51 DEBUG : Looking for writers
2026/04/14 04:57:51 DEBUG : file1: reading active writers
2026/04/14 04:57:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/04/14 04:57:51 DEBUG : Looking for writers
2026/04/14 04:57:51 DEBUG : file1: reading active writers
2026/04/14 04:57:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/04/14 04:57:51 DEBUG : Looking for writers
2026/04/14 04:57:51 DEBUG : file1: reading active writers
2026/04/14 04:57:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/04/14 04:57:51 DEBUG : Looking for writers
2026/04/14 04:57:51 DEBUG : file1: reading active writers
2026/04/14 04:57:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/04/14 04:57:51 DEBUG : Looking for writers
2026/04/14 04:57:51 DEBUG : file1: reading active writers
2026/04/14 04:57:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/04/14 04:57:52 DEBUG : Looking for writers
2026/04/14 04:57:52 DEBUG : file1: reading active writers
2026/04/14 04:57:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/04/14 04:57:52 DEBUG : Looking for writers
2026/04/14 04:57:52 DEBUG : file1: reading active writers
2026/04/14 04:57:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:53 DEBUG : Looking for writers
2026/04/14 04:57:53 DEBUG : file1: reading active writers
2026/04/14 04:57:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:54 DEBUG : Looking for writers
2026/04/14 04:57:54 DEBUG : file1: reading active writers
2026/04/14 04:57:54 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:55 DEBUG : Looking for writers
2026/04/14 04:57:55 DEBUG : file1: reading active writers
2026/04/14 04:57:55 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:56 DEBUG : Looking for writers
2026/04/14 04:57:56 DEBUG : file1: reading active writers
2026/04/14 04:57:56 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:57 DEBUG : Looking for writers
2026/04/14 04:57:57 DEBUG : file1: reading active writers
2026/04/14 04:57:57 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:58 DEBUG : Looking for writers
2026/04/14 04:57:58 DEBUG : file1: reading active writers
2026/04/14 04:57:58 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:57:59 DEBUG : Looking for writers
2026/04/14 04:57:59 DEBUG : file1: reading active writers
2026/04/14 04:57:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:00 DEBUG : Looking for writers
2026/04/14 04:58:00 DEBUG : file1: reading active writers
2026/04/14 04:58:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:01 DEBUG : Looking for writers
2026/04/14 04:58:01 DEBUG : file1: reading active writers
2026/04/14 04:58:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:02 DEBUG : Looking for writers
2026/04/14 04:58:02 DEBUG : file1: reading active writers
2026/04/14 04:58:02 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:03 DEBUG : Looking for writers
2026/04/14 04:58:03 DEBUG : file1: reading active writers
2026/04/14 04:58:03 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:04 DEBUG : Looking for writers
2026/04/14 04:58:04 DEBUG : file1: reading active writers
2026/04/14 04:58:04 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:05 DEBUG : Looking for writers
2026/04/14 04:58:05 DEBUG : file1: reading active writers
2026/04/14 04:58:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:06 DEBUG : Looking for writers
2026/04/14 04:58:06 DEBUG : file1: reading active writers
2026/04/14 04:58:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:07 DEBUG : Looking for writers
2026/04/14 04:58:07 DEBUG : file1: reading active writers
2026/04/14 04:58:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:08 DEBUG : Looking for writers
2026/04/14 04:58:08 DEBUG : file1: reading active writers
2026/04/14 04:58:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:09 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:58:09.621836 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:58:09.621853 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:09 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)
2026/04/14 04:58:09 ERROR : file1: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:09 DEBUG : Looking for writers
2026/04/14 04:58:09 DEBUG : file1: reading active writers
2026/04/14 04:58:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:10 DEBUG : Looking for writers
2026/04/14 04:58:10 DEBUG : file1: reading active writers
2026/04/14 04:58:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:11 DEBUG : Looking for writers
2026/04/14 04:58:11 DEBUG : file1: reading active writers
2026/04/14 04:58:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:12 DEBUG : Looking for writers
2026/04/14 04:58:12 DEBUG : file1: reading active writers
2026/04/14 04:58:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:13 DEBUG : Looking for writers
2026/04/14 04:58:13 DEBUG : file1: reading active writers
2026/04/14 04:58:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:14 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/04/14 04:58:14 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 1 (was 1) in use 1, to upload 1, uploading 0, total size 11 (was 11)
2026/04/14 04:58:14 DEBUG : Looking for writers
2026/04/14 04:58:14 DEBUG : file1: reading active writers
2026/04/14 04:58:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:15 DEBUG : Looking for writers
2026/04/14 04:58:15 DEBUG : file1: reading active writers
2026/04/14 04:58:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:16 DEBUG : Looking for writers
2026/04/14 04:58:16 DEBUG : file1: reading active writers
2026/04/14 04:58:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:17 DEBUG : Looking for writers
2026/04/14 04:58:17 DEBUG : file1: reading active writers
2026/04/14 04:58:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:18 DEBUG : Looking for writers
2026/04/14 04:58:18 DEBUG : file1: reading active writers
2026/04/14 04:58:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:19 DEBUG : Looking for writers
2026/04/14 04:58:19 DEBUG : file1: reading active writers
2026/04/14 04:58:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:20 DEBUG : Looking for writers
2026/04/14 04:58:20 DEBUG : file1: reading active writers
2026/04/14 04:58:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:21 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0x3decf3eb100 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x3decf9ebd48 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:4255500909952} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010575478157025232 ext:21178554389 loc:0x46a1880} ATime:{wall:14010575478157047094 ext:21178576231 loc:0x46a1880} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
}
2026/04/14 04:58:21 DEBUG : >WaitForWriters: 
2026/04/14 04:58:21 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:58:21 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleMethodsWrite (67.52s)
=== RUN   TestRWFileHandleWriteAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:58:21 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:58:21 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:58:21 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:58:21 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:58:21 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:58:21 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:58:21 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:58:21 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:58:21 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:58:21 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:58:21 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 04:58:21 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:58:21 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 04:58:21 DEBUG : file1: newRWFileHandle: 
2026/04/14 04:58:21 DEBUG : file1(0x3decfa50980): openPending: 
2026/04/14 04:58:21 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/04/14 04:58:21 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 04:58:21 DEBUG : file1(0x3decfa50980): >openPending: err=<nil>
2026/04/14 04:58:21 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/04/14 04:58:21 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 04:58:21 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/04/14 04:58:21 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/04/14 04:58:21 DEBUG : file1(0x3decfa50980): _writeAt: size=7, off=0
2026/04/14 04:58:21 DEBUG : file1(0x3decfa50980): >_writeAt: n=7, err=<nil>
2026/04/14 04:58:21 DEBUG : file1(0x3decfa50980): _writeAt: size=6, off=5
2026/04/14 04:58:21 DEBUG : file1(0x3decfa50980): >_writeAt: n=6, err=<nil>
2026/04/14 04:58:21 DEBUG : file1(0x3decfa50980): close: 
2026/04/14 04:58:21 DEBUG : file1: vfs cache: setting modification time to 2026-04-14 04:58:21.702299029 +0000 UTC m=+88.707240390
2026/04/14 04:58:21 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/04/14 04:58:21 DEBUG : file1(0x3decfa50980): >close: err=<nil>
2026/04/14 04:58:21 DEBUG : file1(0x3decfa50980): _writeAt: size=5, off=0
2026/04/14 04:58:21 DEBUG : file1(0x3decfa50980): >_writeAt: n=0, err=file already closed
2026/04/14 04:58:21 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:58:21 DEBUG : Looking for writers
2026/04/14 04:58:21 DEBUG : file1: reading active writers
2026/04/14 04:58:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/04/14 04:58:21 DEBUG : Looking for writers
2026/04/14 04:58:21 DEBUG : file1: reading active writers
2026/04/14 04:58:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/04/14 04:58:21 DEBUG : Looking for writers
2026/04/14 04:58:21 DEBUG : file1: reading active writers
2026/04/14 04:58:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/04/14 04:58:21 DEBUG : Looking for writers
2026/04/14 04:58:21 DEBUG : file1: reading active writers
2026/04/14 04:58:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/04/14 04:58:21 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:58:21 DEBUG : Looking for writers
2026/04/14 04:58:21 DEBUG : file1: reading active writers
2026/04/14 04:58:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/04/14 04:58:22 DEBUG : Looking for writers
2026/04/14 04:58:22 DEBUG : file1: reading active writers
2026/04/14 04:58:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/04/14 04:58:22.270141 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:58:22.270160 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:22 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)
2026/04/14 04:58:22 ERROR : file1: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:22 DEBUG : Looking for writers
2026/04/14 04:58:22 DEBUG : file1: reading active writers
2026/04/14 04:58:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/04/14 04:58:22 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:58:22.898268 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:58:22.898289 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:22 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)
2026/04/14 04:58:22 ERROR : file1: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:22 DEBUG : Looking for writers
2026/04/14 04:58:22 DEBUG : file1: reading active writers
2026/04/14 04:58:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:23 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:58:23.724553 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:58:23.724574 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:23 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:23 ERROR : file1: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:23 DEBUG : Looking for writers
2026/04/14 04:58:23 DEBUG : file1: reading active writers
2026/04/14 04:58:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:24 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:58:24.889315 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:58:24.889337 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:24 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:24 ERROR : file1: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:24 DEBUG : Looking for writers
2026/04/14 04:58:24 DEBUG : file1: reading active writers
2026/04/14 04:58:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:25 DEBUG : Looking for writers
2026/04/14 04:58:25 DEBUG : file1: reading active writers
2026/04/14 04:58:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:26 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:58:26.836035 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:58:26.836054 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:26 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:26 ERROR : file1: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:26 DEBUG : Looking for writers
2026/04/14 04:58:26 DEBUG : file1: reading active writers
2026/04/14 04:58:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:27 DEBUG : Looking for writers
2026/04/14 04:58:27 DEBUG : file1: reading active writers
2026/04/14 04:58:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:28 DEBUG : Looking for writers
2026/04/14 04:58:28 DEBUG : file1: reading active writers
2026/04/14 04:58:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:29 DEBUG : Looking for writers
2026/04/14 04:58:29 DEBUG : file1: reading active writers
2026/04/14 04:58:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:30 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:58:30.366882 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:58:30.366905 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:30 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:30 ERROR : file1: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:30 DEBUG : Looking for writers
2026/04/14 04:58:30 DEBUG : file1: reading active writers
2026/04/14 04:58:30 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:31 DEBUG : Looking for writers
2026/04/14 04:58:31 DEBUG : file1: reading active writers
2026/04/14 04:58:31 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:32 DEBUG : Looking for writers
2026/04/14 04:58:32 DEBUG : file1: reading active writers
2026/04/14 04:58:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:33 DEBUG : Looking for writers
2026/04/14 04:58:33 DEBUG : file1: reading active writers
2026/04/14 04:58:33 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:34 DEBUG : Looking for writers
2026/04/14 04:58:34 DEBUG : file1: reading active writers
2026/04/14 04:58:34 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:35 DEBUG : Looking for writers
2026/04/14 04:58:35 DEBUG : file1: reading active writers
2026/04/14 04:58:35 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:36 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:58:36 DEBUG : Looking for writers
2026/04/14 04:58:36 DEBUG : file1: reading active writers
2026/04/14 04:58:36 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:37.339977 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:58:37.339998 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:37 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:37 ERROR : file1: vfs cache: failed to upload try #7, will retry in 12.8s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:37 DEBUG : Looking for writers
2026/04/14 04:58:37 DEBUG : file1: reading active writers
2026/04/14 04:58:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:38 DEBUG : Looking for writers
2026/04/14 04:58:38 DEBUG : file1: reading active writers
2026/04/14 04:58:38 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:39 DEBUG : Looking for writers
2026/04/14 04:58:39 DEBUG : file1: reading active writers
2026/04/14 04:58:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:40 DEBUG : Looking for writers
2026/04/14 04:58:40 DEBUG : file1: reading active writers
2026/04/14 04:58:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:41 DEBUG : Looking for writers
2026/04/14 04:58:41 DEBUG : file1: reading active writers
2026/04/14 04:58:41 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:42 DEBUG : Looking for writers
2026/04/14 04:58:42 DEBUG : file1: reading active writers
2026/04/14 04:58:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:43 DEBUG : Looking for writers
2026/04/14 04:58:43 DEBUG : file1: reading active writers
2026/04/14 04:58:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:44 DEBUG : Looking for writers
2026/04/14 04:58:44 DEBUG : file1: reading active writers
2026/04/14 04:58:44 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:45 DEBUG : Looking for writers
2026/04/14 04:58:45 DEBUG : file1: reading active writers
2026/04/14 04:58:45 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:46 DEBUG : Looking for writers
2026/04/14 04:58:46 DEBUG : file1: reading active writers
2026/04/14 04:58:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:47 DEBUG : Looking for writers
2026/04/14 04:58:47 DEBUG : file1: reading active writers
2026/04/14 04:58:47 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:48 DEBUG : Looking for writers
2026/04/14 04:58:48 DEBUG : file1: reading active writers
2026/04/14 04:58:48 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:49 DEBUG : Looking for writers
2026/04/14 04:58:49 DEBUG : file1: reading active writers
2026/04/14 04:58:49 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:50 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:58:50.515367 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:58:50.515635 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:50 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:50 ERROR : file1: vfs cache: failed to upload try #8, will retry in 25.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:58:50 DEBUG : Looking for writers
2026/04/14 04:58:50 DEBUG : file1: reading active writers
2026/04/14 04:58:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:58:51 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0x3decfad9e00 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x3decfa0f328 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:4255501054816} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010575550626413461 ext:88707240390 loc:0x46a1880} ATime:{wall:14010575550626433878 ext:88707260807 loc:0x46a1880} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
}
2026/04/14 04:58:51 DEBUG : >WaitForWriters: 
2026/04/14 04:58:51 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/04/14 04:58:53 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/04/14 04:58:55 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:387
        	Error:      	Should be true
        	Test:       	TestRWFileHandleWriteAt
        	Messages:   	listing wrong, want
        	            	  file1 (11) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:387
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestRWFileHandleWriteAt
        	Messages:   	1 objects not found
2026/04/14 04:58:59 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:58:59 DEBUG : Looking for writers
2026/04/14 04:58:59 DEBUG : file1: reading active writers
2026/04/14 04:58:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/04/14 04:58:59 DEBUG : Looking for writers
2026/04/14 04:58:59 DEBUG : file1: reading active writers
2026/04/14 04:58:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/04/14 04:58:59 DEBUG : Looking for writers
2026/04/14 04:58:59 DEBUG : file1: reading active writers
2026/04/14 04:58:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/04/14 04:58:59 DEBUG : Looking for writers
2026/04/14 04:58:59 DEBUG : file1: reading active writers
2026/04/14 04:58:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/04/14 04:58:59 DEBUG : Looking for writers
2026/04/14 04:58:59 DEBUG : file1: reading active writers
2026/04/14 04:58:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/04/14 04:58:59 DEBUG : Looking for writers
2026/04/14 04:58:59 DEBUG : file1: reading active writers
2026/04/14 04:58:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/04/14 04:58:59 DEBUG : Looking for writers
2026/04/14 04:58:59 DEBUG : file1: reading active writers
2026/04/14 04:58:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/04/14 04:59:00 DEBUG : Looking for writers
2026/04/14 04:59:00 DEBUG : file1: reading active writers
2026/04/14 04:59:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:01 DEBUG : Looking for writers
2026/04/14 04:59:01 DEBUG : file1: reading active writers
2026/04/14 04:59:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:02 DEBUG : Looking for writers
2026/04/14 04:59:02 DEBUG : file1: reading active writers
2026/04/14 04:59:02 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:03 DEBUG : Looking for writers
2026/04/14 04:59:03 DEBUG : file1: reading active writers
2026/04/14 04:59:03 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:04 DEBUG : Looking for writers
2026/04/14 04:59:04 DEBUG : file1: reading active writers
2026/04/14 04:59:04 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:05 DEBUG : Looking for writers
2026/04/14 04:59:05 DEBUG : file1: reading active writers
2026/04/14 04:59:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:06 DEBUG : Looking for writers
2026/04/14 04:59:06 DEBUG : file1: reading active writers
2026/04/14 04:59:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:07 DEBUG : Looking for writers
2026/04/14 04:59:07 DEBUG : file1: reading active writers
2026/04/14 04:59:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:08 DEBUG : Looking for writers
2026/04/14 04:59:08 DEBUG : file1: reading active writers
2026/04/14 04:59:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:09 DEBUG : Looking for writers
2026/04/14 04:59:09 DEBUG : file1: reading active writers
2026/04/14 04:59:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:10 DEBUG : Looking for writers
2026/04/14 04:59:10 DEBUG : file1: reading active writers
2026/04/14 04:59:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:11 DEBUG : Looking for writers
2026/04/14 04:59:11 DEBUG : file1: reading active writers
2026/04/14 04:59:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:12 DEBUG : Looking for writers
2026/04/14 04:59:12 DEBUG : file1: reading active writers
2026/04/14 04:59:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:13 DEBUG : Looking for writers
2026/04/14 04:59:13 DEBUG : file1: reading active writers
2026/04/14 04:59:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:14 DEBUG : Looking for writers
2026/04/14 04:59:14 DEBUG : file1: reading active writers
2026/04/14 04:59:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:15 DEBUG : Looking for writers
2026/04/14 04:59:15 DEBUG : file1: reading active writers
2026/04/14 04:59:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:16 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:59:16 DEBUG : Looking for writers
2026/04/14 04:59:16 DEBUG : file1: reading active writers
2026/04/14 04:59:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:16.601662 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:16.601682 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:16 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:16 ERROR : file1: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:17 DEBUG : Looking for writers
2026/04/14 04:59:17 DEBUG : file1: reading active writers
2026/04/14 04:59:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:18 DEBUG : Looking for writers
2026/04/14 04:59:18 DEBUG : file1: reading active writers
2026/04/14 04:59:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:19 DEBUG : Looking for writers
2026/04/14 04:59:19 DEBUG : file1: reading active writers
2026/04/14 04:59:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:20 DEBUG : Looking for writers
2026/04/14 04:59:20 DEBUG : file1: reading active writers
2026/04/14 04:59:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:21 DEBUG : Looking for writers
2026/04/14 04:59:21 DEBUG : file1: reading active writers
2026/04/14 04:59:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:21 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/04/14 04:59:21 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 1 (was 1) in use 1, to upload 1, uploading 0, total size 11 (was 11)
2026/04/14 04:59:22 DEBUG : Looking for writers
2026/04/14 04:59:22 DEBUG : file1: reading active writers
2026/04/14 04:59:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:23 DEBUG : Looking for writers
2026/04/14 04:59:23 DEBUG : file1: reading active writers
2026/04/14 04:59:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:24 DEBUG : Looking for writers
2026/04/14 04:59:24 DEBUG : file1: reading active writers
2026/04/14 04:59:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:25 DEBUG : Looking for writers
2026/04/14 04:59:25 DEBUG : file1: reading active writers
2026/04/14 04:59:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:26 DEBUG : Looking for writers
2026/04/14 04:59:26 DEBUG : file1: reading active writers
2026/04/14 04:59:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:27 DEBUG : Looking for writers
2026/04/14 04:59:27 DEBUG : file1: reading active writers
2026/04/14 04:59:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:28 DEBUG : Looking for writers
2026/04/14 04:59:28 DEBUG : file1: reading active writers
2026/04/14 04:59:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/04/14 04:59:29 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0x3decfad9e00 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x3decfa0f328 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:4255501054816} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010575550626413461 ext:88707240390 loc:0x46a1880} ATime:{wall:14010575550626433878 ext:88707260807 loc:0x46a1880} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
}
2026/04/14 04:59:29 DEBUG : >WaitForWriters: 
2026/04/14 04:59:29 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 04:59:29 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleWriteAt (67.74s)
=== RUN   TestRWFileHandleWriteNoWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 04:59:29 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 04:59:29 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 04:59:29 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:59:29 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:59:29 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:59:29 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:59:29 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:59:29 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:59:29 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 04:59:29 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 04:59:29 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 04:59:29 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 04:59:29 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 04:59:29 DEBUG : file1: newRWFileHandle: 
2026/04/14 04:59:29 DEBUG : file1(0x3decfa87940): openPending: 
2026/04/14 04:59:29 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/04/14 04:59:29 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 04:59:29 DEBUG : file1(0x3decfa87940): >openPending: err=<nil>
2026/04/14 04:59:29 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/04/14 04:59:29 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 04:59:29 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/04/14 04:59:29 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/04/14 04:59:29 DEBUG : file1(0x3decfa87940): close: 
2026/04/14 04:59:29 DEBUG : file1: vfs cache: setting modification time to 2026-04-14 04:59:29.418655026 +0000 UTC m=+156.423596376
2026/04/14 04:59:29 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/04/14 04:59:29 DEBUG : file1(0x3decfa87940): >close: err=<nil>
2026/04/14 04:59:29 DEBUG : file2: OpenFile: flags=O_WRONLY|O_CREATE|O_TRUNC, perm=-rwxrwxrwx
2026/04/14 04:59:29 DEBUG : file2: Open: flags=O_WRONLY|O_CREATE|O_TRUNC
2026/04/14 04:59:29 DEBUG : file2: newRWFileHandle: 
2026/04/14 04:59:29 DEBUG : file2(0x3decfa87e00): openPending: 
2026/04/14 04:59:29 DEBUG : file2: vfs cache: truncate to size=0 (not needed as size correct)
2026/04/14 04:59:29 DEBUG : Added virtual directory entry vAddFile: "file2"
2026/04/14 04:59:29 DEBUG : file2(0x3decfa87e00): >openPending: err=<nil>
2026/04/14 04:59:29 DEBUG : file2: >newRWFileHandle: err=<nil>
2026/04/14 04:59:29 DEBUG : Added virtual directory entry vAddFile: "file2"
2026/04/14 04:59:29 DEBUG : file2: >Open: fd=file2 (rw), err=<nil>
2026/04/14 04:59:29 DEBUG : file2: >OpenFile: fd=file2 (rw), err=<nil>
2026/04/14 04:59:29 DEBUG : file2(0x3decfa87e00): RWFileHandle.Flush
2026/04/14 04:59:29 DEBUG : file2(0x3decfa87e00): RWFileHandle.Release
2026/04/14 04:59:29 DEBUG : file2(0x3decfa87e00): close: 
2026/04/14 04:59:29 DEBUG : file2: vfs cache: setting modification time to 2026-04-14 04:59:29.419434328 +0000 UTC m=+156.424375689
2026/04/14 04:59:29 INFO  : file2: vfs cache: queuing for upload in 100ms
2026/04/14 04:59:29 DEBUG : file2(0x3decfa87e00): >close: err=<nil>
2026/04/14 04:59:29 DEBUG : WaitForWriters: timeout=30s
2026/04/14 04:59:29 DEBUG : Looking for writers
2026/04/14 04:59:29 DEBUG : file1: reading active writers
2026/04/14 04:59:29 DEBUG : file2: reading active writers
2026/04/14 04:59:29 DEBUG : Still 0 writers active and 2 cache items in use, waiting 10ms
2026/04/14 04:59:29 DEBUG : Looking for writers
2026/04/14 04:59:29 DEBUG : file1: reading active writers
2026/04/14 04:59:29 DEBUG : file2: reading active writers
2026/04/14 04:59:29 DEBUG : Still 0 writers active and 2 cache items in use, waiting 20ms
2026/04/14 04:59:29 DEBUG : Looking for writers
2026/04/14 04:59:29 DEBUG : file1: reading active writers
2026/04/14 04:59:29 DEBUG : file2: reading active writers
2026/04/14 04:59:29 DEBUG : Still 0 writers active and 2 cache items in use, waiting 40ms
2026/04/14 04:59:29 DEBUG : Looking for writers
2026/04/14 04:59:29 DEBUG : file1: reading active writers
2026/04/14 04:59:29 DEBUG : file2: reading active writers
2026/04/14 04:59:29 DEBUG : Still 0 writers active and 2 cache items in use, waiting 80ms
2026/04/14 04:59:29 DEBUG : file2: vfs cache: starting upload
2026/04/14 04:59:29 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:59:29 DEBUG : Looking for writers
2026/04/14 04:59:29 DEBUG : file2: reading active writers
2026/04/14 04:59:29 DEBUG : file1: reading active writers
2026/04/14 04:59:29 DEBUG : Still 0 writers active and 2 cache items in use, waiting 160ms
2026/04/14 04:59:29 DEBUG : Looking for writers
2026/04/14 04:59:29 DEBUG : file2: reading active writers
2026/04/14 04:59:29 DEBUG : file1: reading active writers
2026/04/14 04:59:29 DEBUG : Still 0 writers active and 2 cache items in use, waiting 320ms
2026/04/14 04:59:29.846444 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:29.846475 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:29 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:29 ERROR : file2: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:30 DEBUG : file2: vfs cache: starting upload
2026/04/14 04:59:30 DEBUG : Looking for writers
2026/04/14 04:59:30 DEBUG : file1: reading active writers
2026/04/14 04:59:30 DEBUG : file2: reading active writers
2026/04/14 04:59:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 640ms
2026/04/14 04:59:30.225974 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:30.225996 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:30 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:30 ERROR : file1: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:30 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:59:30.572812 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:30.572835 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:30 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:30 ERROR : file2: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:30 DEBUG : Looking for writers
2026/04/14 04:59:30 DEBUG : file1: reading active writers
2026/04/14 04:59:30 DEBUG : file2: reading active writers
2026/04/14 04:59:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:30.929332 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:30.929355 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:30 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:30 ERROR : file1: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:30 DEBUG : file2: vfs cache: starting upload
2026/04/14 04:59:31 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:59:31.524107 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:31.524132 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:31 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:31 ERROR : file2: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:31 DEBUG : Looking for writers
2026/04/14 04:59:31 DEBUG : file1: reading active writers
2026/04/14 04:59:31 DEBUG : file2: reading active writers
2026/04/14 04:59:31 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:31.894144 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:31.894164 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:31 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:31 ERROR : file1: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:32 DEBUG : file2: vfs cache: starting upload
2026/04/14 04:59:32.664860 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:32.664886 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:32 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:32 ERROR : file2: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:32 DEBUG : Looking for writers
2026/04/14 04:59:32 DEBUG : file1: reading active writers
2026/04/14 04:59:32 DEBUG : file2: reading active writers
2026/04/14 04:59:32 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:32 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:59:33.071356 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:33.071379 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:33 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:33 ERROR : file1: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:33 DEBUG : Looking for writers
2026/04/14 04:59:33 DEBUG : file1: reading active writers
2026/04/14 04:59:33 DEBUG : file2: reading active writers
2026/04/14 04:59:33 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:34 DEBUG : file2: vfs cache: starting upload
2026/04/14 04:59:34 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:59:34 DEBUG : Looking for writers
2026/04/14 04:59:34 DEBUG : file1: reading active writers
2026/04/14 04:59:34 DEBUG : file2: reading active writers
2026/04/14 04:59:34 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:34.703275 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:34.703294 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:34 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:34 ERROR : file2: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:35.063969 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:35.063993 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:35 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:35 ERROR : file1: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:35 DEBUG : Looking for writers
2026/04/14 04:59:35 DEBUG : file1: reading active writers
2026/04/14 04:59:35 DEBUG : file2: reading active writers
2026/04/14 04:59:35 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:36 DEBUG : Looking for writers
2026/04/14 04:59:36 DEBUG : file1: reading active writers
2026/04/14 04:59:36 DEBUG : file2: reading active writers
2026/04/14 04:59:36 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:37 DEBUG : Looking for writers
2026/04/14 04:59:37 DEBUG : file1: reading active writers
2026/04/14 04:59:37 DEBUG : file2: reading active writers
2026/04/14 04:59:37 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:37 DEBUG : file2: vfs cache: starting upload
2026/04/14 04:59:38 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:59:38.336256 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:38.336281 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:38 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:38 ERROR : file2: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:38 DEBUG : Looking for writers
2026/04/14 04:59:38 DEBUG : file1: reading active writers
2026/04/14 04:59:38 DEBUG : file2: reading active writers
2026/04/14 04:59:38 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:38.712630 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:38.712673 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:38 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:38 ERROR : file1: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:39 DEBUG : Looking for writers
2026/04/14 04:59:39 DEBUG : file1: reading active writers
2026/04/14 04:59:39 DEBUG : file2: reading active writers
2026/04/14 04:59:39 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:40 DEBUG : Looking for writers
2026/04/14 04:59:40 DEBUG : file1: reading active writers
2026/04/14 04:59:40 DEBUG : file2: reading active writers
2026/04/14 04:59:40 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:41 DEBUG : Looking for writers
2026/04/14 04:59:41 DEBUG : file1: reading active writers
2026/04/14 04:59:41 DEBUG : file2: reading active writers
2026/04/14 04:59:41 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:42 DEBUG : Looking for writers
2026/04/14 04:59:42 DEBUG : file1: reading active writers
2026/04/14 04:59:42 DEBUG : file2: reading active writers
2026/04/14 04:59:42 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:43 DEBUG : Looking for writers
2026/04/14 04:59:43 DEBUG : file1: reading active writers
2026/04/14 04:59:43 DEBUG : file2: reading active writers
2026/04/14 04:59:43 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:44 DEBUG : Looking for writers
2026/04/14 04:59:44 DEBUG : file2: reading active writers
2026/04/14 04:59:44 DEBUG : file1: reading active writers
2026/04/14 04:59:44 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:44 DEBUG : file2: vfs cache: starting upload
2026/04/14 04:59:45 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:59:45.145925 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:45.145944 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:45 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:45 ERROR : file2: vfs cache: failed to upload try #7, will retry in 12.8s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:45 DEBUG : Looking for writers
2026/04/14 04:59:45 DEBUG : file1: reading active writers
2026/04/14 04:59:45 DEBUG : file2: reading active writers
2026/04/14 04:59:45 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:45.708420 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:45.708445 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:45 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:45 ERROR : file1: vfs cache: failed to upload try #7, will retry in 12.8s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:46 DEBUG : Looking for writers
2026/04/14 04:59:46 DEBUG : file1: reading active writers
2026/04/14 04:59:46 DEBUG : file2: reading active writers
2026/04/14 04:59:46 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:47 DEBUG : Looking for writers
2026/04/14 04:59:47 DEBUG : file1: reading active writers
2026/04/14 04:59:47 DEBUG : file2: reading active writers
2026/04/14 04:59:47 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:48 DEBUG : Looking for writers
2026/04/14 04:59:48 DEBUG : file1: reading active writers
2026/04/14 04:59:48 DEBUG : file2: reading active writers
2026/04/14 04:59:48 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:49 DEBUG : Looking for writers
2026/04/14 04:59:49 DEBUG : file1: reading active writers
2026/04/14 04:59:49 DEBUG : file2: reading active writers
2026/04/14 04:59:49 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:50 DEBUG : Looking for writers
2026/04/14 04:59:50 DEBUG : file1: reading active writers
2026/04/14 04:59:50 DEBUG : file2: reading active writers
2026/04/14 04:59:50 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:51 DEBUG : Looking for writers
2026/04/14 04:59:51 DEBUG : file1: reading active writers
2026/04/14 04:59:51 DEBUG : file2: reading active writers
2026/04/14 04:59:51 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:52 DEBUG : Looking for writers
2026/04/14 04:59:52 DEBUG : file1: reading active writers
2026/04/14 04:59:52 DEBUG : file2: reading active writers
2026/04/14 04:59:52 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:53 DEBUG : Looking for writers
2026/04/14 04:59:53 DEBUG : file1: reading active writers
2026/04/14 04:59:53 DEBUG : file2: reading active writers
2026/04/14 04:59:53 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:54 DEBUG : Looking for writers
2026/04/14 04:59:54 DEBUG : file1: reading active writers
2026/04/14 04:59:54 DEBUG : file2: reading active writers
2026/04/14 04:59:54 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:55 DEBUG : Looking for writers
2026/04/14 04:59:55 DEBUG : file1: reading active writers
2026/04/14 04:59:55 DEBUG : file2: reading active writers
2026/04/14 04:59:55 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:56 DEBUG : Looking for writers
2026/04/14 04:59:56 DEBUG : file1: reading active writers
2026/04/14 04:59:56 DEBUG : file2: reading active writers
2026/04/14 04:59:56 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:57 DEBUG : Looking for writers
2026/04/14 04:59:57 DEBUG : file1: reading active writers
2026/04/14 04:59:57 DEBUG : file2: reading active writers
2026/04/14 04:59:57 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:57 DEBUG : file2: vfs cache: starting upload
2026/04/14 04:59:58.334030 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:58.334056 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:58 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:58 ERROR : file2: vfs cache: failed to upload try #8, will retry in 25.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:58 DEBUG : file1: vfs cache: starting upload
2026/04/14 04:59:58 DEBUG : Looking for writers
2026/04/14 04:59:58 DEBUG : file1: reading active writers
2026/04/14 04:59:58 DEBUG : file2: reading active writers
2026/04/14 04:59:58 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 04:59:58.879814 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 04:59:58.879883 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:58 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)
2026/04/14 04:59:58 ERROR : file1: vfs cache: failed to upload try #8, will retry in 25.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 04:59:59 ERROR : Exiting even though 0 writers active and 2 cache items in use after 30s
Cache{
	"file2": &{c:0x3decfad8600 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x3decf8030e8 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:4255498907936} name:file2 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010575623357992792 ext:156424375689 loc:0x46a1880} ATime:{wall:14010575623358154387 ext:156424537274 loc:0x46a1880} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:2 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
	"file1": &{c:0x3decfad8600 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x3decfa0fc28 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:4255501057120} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010575623357213490 ext:156423596376 loc:0x46a1880} ATime:{wall:14010575623357370346 ext:156423753243 loc:0x46a1880} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
}
2026/04/14 04:59:59 DEBUG : >WaitForWriters: 
2026/04/14 04:59:59 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/04/14 05:00:00 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/04/14 05:00:03 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:420
        	Error:      	Should be true
        	Test:       	TestRWFileHandleWriteNoWrite
        	Messages:   	listing wrong, want
        	            	  file1 (0), file2 (0) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:203: Not found "file2"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:420
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 2
        	Test:       	TestRWFileHandleWriteNoWrite
        	Messages:   	2 objects not found
2026/04/14 05:00:07 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:00:07 DEBUG : Looking for writers
2026/04/14 05:00:07 DEBUG : file2: reading active writers
2026/04/14 05:00:07 DEBUG : file1: reading active writers
2026/04/14 05:00:07 DEBUG : Still 0 writers active and 2 cache items in use, waiting 10ms
2026/04/14 05:00:07 DEBUG : Looking for writers
2026/04/14 05:00:07 DEBUG : file1: reading active writers
2026/04/14 05:00:07 DEBUG : file2: reading active writers
2026/04/14 05:00:07 DEBUG : Still 0 writers active and 2 cache items in use, waiting 20ms
2026/04/14 05:00:07 DEBUG : Looking for writers
2026/04/14 05:00:07 DEBUG : file1: reading active writers
2026/04/14 05:00:07 DEBUG : file2: reading active writers
2026/04/14 05:00:07 DEBUG : Still 0 writers active and 2 cache items in use, waiting 40ms
2026/04/14 05:00:07 DEBUG : Looking for writers
2026/04/14 05:00:07 DEBUG : file1: reading active writers
2026/04/14 05:00:07 DEBUG : file2: reading active writers
2026/04/14 05:00:07 DEBUG : Still 0 writers active and 2 cache items in use, waiting 80ms
2026/04/14 05:00:07 DEBUG : Looking for writers
2026/04/14 05:00:07 DEBUG : file1: reading active writers
2026/04/14 05:00:07 DEBUG : file2: reading active writers
2026/04/14 05:00:07 DEBUG : Still 0 writers active and 2 cache items in use, waiting 160ms
2026/04/14 05:00:07 DEBUG : Looking for writers
2026/04/14 05:00:07 DEBUG : file2: reading active writers
2026/04/14 05:00:07 DEBUG : file1: reading active writers
2026/04/14 05:00:07 DEBUG : Still 0 writers active and 2 cache items in use, waiting 320ms
2026/04/14 05:00:07 DEBUG : Looking for writers
2026/04/14 05:00:07 DEBUG : file2: reading active writers
2026/04/14 05:00:07 DEBUG : file1: reading active writers
2026/04/14 05:00:07 DEBUG : Still 0 writers active and 2 cache items in use, waiting 640ms
2026/04/14 05:00:08 DEBUG : Looking for writers
2026/04/14 05:00:08 DEBUG : file1: reading active writers
2026/04/14 05:00:08 DEBUG : file2: reading active writers
2026/04/14 05:00:08 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:09 DEBUG : Looking for writers
2026/04/14 05:00:09 DEBUG : file1: reading active writers
2026/04/14 05:00:09 DEBUG : file2: reading active writers
2026/04/14 05:00:09 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:10 DEBUG : Looking for writers
2026/04/14 05:00:10 DEBUG : file1: reading active writers
2026/04/14 05:00:10 DEBUG : file2: reading active writers
2026/04/14 05:00:10 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:11 DEBUG : Looking for writers
2026/04/14 05:00:11 DEBUG : file1: reading active writers
2026/04/14 05:00:11 DEBUG : file2: reading active writers
2026/04/14 05:00:11 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:12 DEBUG : Looking for writers
2026/04/14 05:00:12 DEBUG : file1: reading active writers
2026/04/14 05:00:12 DEBUG : file2: reading active writers
2026/04/14 05:00:12 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:13 DEBUG : Looking for writers
2026/04/14 05:00:13 DEBUG : file2: reading active writers
2026/04/14 05:00:13 DEBUG : file1: reading active writers
2026/04/14 05:00:13 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:14 DEBUG : Looking for writers
2026/04/14 05:00:14 DEBUG : file1: reading active writers
2026/04/14 05:00:14 DEBUG : file2: reading active writers
2026/04/14 05:00:14 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:15 DEBUG : Looking for writers
2026/04/14 05:00:15 DEBUG : file1: reading active writers
2026/04/14 05:00:15 DEBUG : file2: reading active writers
2026/04/14 05:00:15 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:16 DEBUG : Looking for writers
2026/04/14 05:00:16 DEBUG : file1: reading active writers
2026/04/14 05:00:16 DEBUG : file2: reading active writers
2026/04/14 05:00:16 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:17 DEBUG : Looking for writers
2026/04/14 05:00:17 DEBUG : file1: reading active writers
2026/04/14 05:00:17 DEBUG : file2: reading active writers
2026/04/14 05:00:17 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:18 DEBUG : Looking for writers
2026/04/14 05:00:18 DEBUG : file1: reading active writers
2026/04/14 05:00:18 DEBUG : file2: reading active writers
2026/04/14 05:00:18 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:19 DEBUG : Looking for writers
2026/04/14 05:00:19 DEBUG : file1: reading active writers
2026/04/14 05:00:19 DEBUG : file2: reading active writers
2026/04/14 05:00:19 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:20 DEBUG : Looking for writers
2026/04/14 05:00:20 DEBUG : file2: reading active writers
2026/04/14 05:00:20 DEBUG : file1: reading active writers
2026/04/14 05:00:20 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:21 DEBUG : Looking for writers
2026/04/14 05:00:21 DEBUG : file1: reading active writers
2026/04/14 05:00:21 DEBUG : file2: reading active writers
2026/04/14 05:00:21 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:22 DEBUG : Looking for writers
2026/04/14 05:00:22 DEBUG : file2: reading active writers
2026/04/14 05:00:22 DEBUG : file1: reading active writers
2026/04/14 05:00:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:23 DEBUG : Looking for writers
2026/04/14 05:00:23 DEBUG : file1: reading active writers
2026/04/14 05:00:23 DEBUG : file2: reading active writers
2026/04/14 05:00:23 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:23 DEBUG : file2: vfs cache: starting upload
2026/04/14 05:00:24 DEBUG : Looking for writers
2026/04/14 05:00:24 DEBUG : file1: reading active writers
2026/04/14 05:00:24 DEBUG : file2: reading active writers
2026/04/14 05:00:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:24.426655 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:00:24.426700 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:00:24 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:00:24 ERROR : file2: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:00:24 DEBUG : file1: vfs cache: starting upload
2026/04/14 05:00:24.875107 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:00:24.875129 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:00:24 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:00:24 ERROR : file1: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:00:25 DEBUG : Looking for writers
2026/04/14 05:00:25 DEBUG : file1: reading active writers
2026/04/14 05:00:25 DEBUG : file2: reading active writers
2026/04/14 05:00:25 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:26 DEBUG : Looking for writers
2026/04/14 05:00:26 DEBUG : file1: reading active writers
2026/04/14 05:00:26 DEBUG : file2: reading active writers
2026/04/14 05:00:26 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:27 DEBUG : Looking for writers
2026/04/14 05:00:27 DEBUG : file1: reading active writers
2026/04/14 05:00:27 DEBUG : file2: reading active writers
2026/04/14 05:00:27 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:28 DEBUG : Looking for writers
2026/04/14 05:00:28 DEBUG : file1: reading active writers
2026/04/14 05:00:28 DEBUG : file2: reading active writers
2026/04/14 05:00:28 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:29 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file2 not removed, freed 0 bytes
2026/04/14 05:00:29 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/04/14 05:00:29 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 2 (was 2) in use 2, to upload 2, uploading 0, total size 0 (was 0)
2026/04/14 05:00:29 DEBUG : Looking for writers
2026/04/14 05:00:29 DEBUG : file2: reading active writers
2026/04/14 05:00:29 DEBUG : file1: reading active writers
2026/04/14 05:00:29 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:30 DEBUG : Looking for writers
2026/04/14 05:00:30 DEBUG : file1: reading active writers
2026/04/14 05:00:30 DEBUG : file2: reading active writers
2026/04/14 05:00:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:31 DEBUG : Looking for writers
2026/04/14 05:00:31 DEBUG : file1: reading active writers
2026/04/14 05:00:31 DEBUG : file2: reading active writers
2026/04/14 05:00:31 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:32 DEBUG : Looking for writers
2026/04/14 05:00:32 DEBUG : file1: reading active writers
2026/04/14 05:00:32 DEBUG : file2: reading active writers
2026/04/14 05:00:32 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:33 DEBUG : Looking for writers
2026/04/14 05:00:33 DEBUG : file1: reading active writers
2026/04/14 05:00:33 DEBUG : file2: reading active writers
2026/04/14 05:00:33 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:34 DEBUG : Looking for writers
2026/04/14 05:00:34 DEBUG : file1: reading active writers
2026/04/14 05:00:34 DEBUG : file2: reading active writers
2026/04/14 05:00:34 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:35 DEBUG : Looking for writers
2026/04/14 05:00:35 DEBUG : file1: reading active writers
2026/04/14 05:00:35 DEBUG : file2: reading active writers
2026/04/14 05:00:35 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:36 DEBUG : Looking for writers
2026/04/14 05:00:36 DEBUG : file1: reading active writers
2026/04/14 05:00:36 DEBUG : file2: reading active writers
2026/04/14 05:00:36 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/04/14 05:00:37 ERROR : Exiting even though 0 writers active and 2 cache items in use after 30s
Cache{
	"file1": &{c:0x3decfad8600 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x3decfa0fc28 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:4255501057120} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010575623357213490 ext:156423596376 loc:0x46a1880} ATime:{wall:14010575623357370346 ext:156423753243 loc:0x46a1880} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
	"file2": &{c:0x3decfad8600 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x3decf8030e8 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:4255498907936} name:file2 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14010575623357992792 ext:156424375689 loc:0x46a1880} ATime:{wall:14010575623358154387 ext:156424537274 loc:0x46a1880} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:2 pendingAccesses:0 modified:false beingReset:false graceTimer:<nil>},
}
2026/04/14 05:00:37 DEBUG : >WaitForWriters: 
2026/04/14 05:00:37 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 05:00:37 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleWriteNoWrite (67.80s)
=== RUN   TestRWFileHandleSizeTruncateExisting
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:00:37 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:00:37 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 05:00:37 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 05:00:37 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 05:00:37 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 05:00:37.452379 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:00:37.452399 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:00:37 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:00:37 DEBUG : Looking for writers
2026/04/14 05:00:37 DEBUG : >WaitForWriters: 
2026/04/14 05:00:37 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 05:00:37 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSizeTruncateExisting (0.38s)
=== RUN   TestRWFileHandleSizeCreateExisting
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:00:37 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:00:37 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 05:00:37 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 05:00:37 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 05:00:37 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 05:00:37.882738 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:00:37.882763 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:00:37 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:00:37 DEBUG : Looking for writers
2026/04/14 05:00:37 DEBUG : >WaitForWriters: 
2026/04/14 05:00:37 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 05:00:37 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSizeCreateExisting (0.41s)
=== RUN   TestRWFileModTimeWithOpenWriters
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:00:37 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:00:37 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 05:00:37 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 05:00:37 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 05:00:37 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:00:37 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 05:00:37 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 05:00:38 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 05:00:38 DEBUG : file1: newRWFileHandle: 
2026/04/14 05:00:38 DEBUG : file1(0x3decfaf8100): openPending: 
2026/04/14 05:00:38 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/04/14 05:00:38 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:00:38 DEBUG : file1(0x3decfaf8100): >openPending: err=<nil>
2026/04/14 05:00:38 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/04/14 05:00:38 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:00:38 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/04/14 05:00:38 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/04/14 05:00:38.313687 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:00:38.313714 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:00:38 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:00:38 DEBUG : Looking for writers
2026/04/14 05:00:38 DEBUG : file1: reading active writers
2026/04/14 05:00:38 DEBUG : file1: active writers 1
2026/04/14 05:00:38 DEBUG : Still 1 writers active and 1 cache items in use, waiting 10ms
2026/04/14 05:00:38 DEBUG : Looking for writers
2026/04/14 05:00:38 DEBUG : file1: reading active writers
2026/04/14 05:00:38 DEBUG : file1: active writers 1
2026/04/14 05:00:38 DEBUG : Still 1 writers active and 1 cache items in use, waiting 20ms
2026/04/14 05:00:38 DEBUG : Looking for writers
2026/04/14 05:00:38 DEBUG : file1: reading active writers
2026/04/14 05:00:38 DEBUG : file1: active writers 1
2026/04/14 05:00:38 DEBUG : Still 1 writers active and 1 cache items in use, waiting 40ms
2026/04/14 05:00:38 DEBUG : Looking for writers
2026/04/14 05:00:38 DEBUG : file1: reading active writers
2026/04/14 05:00:38 DEBUG : file1: active writers 1
2026/04/14 05:00:38 DEBUG : Still 1 writers active and 1 cache items in use, waiting 80ms
2026/04/14 05:00:38 DEBUG : Looking for writers
2026/04/14 05:00:38 DEBUG : file1: reading active writers
2026/04/14 05:00:38 DEBUG : file1: active writers 1
2026/04/14 05:00:38 DEBUG : Still 1 writers active and 1 cache items in use, waiting 160ms
2026/04/14 05:00:38 DEBUG : Looking for writers
2026/04/14 05:00:38 DEBUG : file1: reading active writers
2026/04/14 05:00:38 DEBUG : file1: active writers 1
2026/04/14 05:00:38 DEBUG : Still 1 writers active and 1 cache items in use, waiting 320ms
2026/04/14 05:00:38 DEBUG : Looking for writers
2026/04/14 05:00:38 DEBUG : file1: reading active writers
2026/04/14 05:00:38 DEBUG : file1: active writers 1
2026/04/14 05:00:38 DEBUG : Still 1 writers active and 1 cache items in use, waiting 640ms
2026/04/14 05:00:39 DEBUG : Looking for writers
2026/04/14 05:00:39 DEBUG : file1: reading active writers
2026/04/14 05:00:39 DEBUG : file1: active writers 1
2026/04/14 05:00:39 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:40 DEBUG : Looking for writers
2026/04/14 05:00:40 DEBUG : file1: reading active writers
2026/04/14 05:00:40 DEBUG : file1: active writers 1
2026/04/14 05:00:40 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:41 DEBUG : Looking for writers
2026/04/14 05:00:41 DEBUG : file1: reading active writers
2026/04/14 05:00:41 DEBUG : file1: active writers 1
2026/04/14 05:00:41 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:42 DEBUG : Looking for writers
2026/04/14 05:00:42 DEBUG : file1: reading active writers
2026/04/14 05:00:42 DEBUG : file1: active writers 1
2026/04/14 05:00:42 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:43 DEBUG : Looking for writers
2026/04/14 05:00:43 DEBUG : file1: reading active writers
2026/04/14 05:00:43 DEBUG : file1: active writers 1
2026/04/14 05:00:43 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:44 DEBUG : Looking for writers
2026/04/14 05:00:44 DEBUG : file1: reading active writers
2026/04/14 05:00:44 DEBUG : file1: active writers 1
2026/04/14 05:00:44 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:45 DEBUG : Looking for writers
2026/04/14 05:00:45 DEBUG : file1: reading active writers
2026/04/14 05:00:45 DEBUG : file1: active writers 1
2026/04/14 05:00:45 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:46 DEBUG : Looking for writers
2026/04/14 05:00:46 DEBUG : file1: reading active writers
2026/04/14 05:00:46 DEBUG : file1: active writers 1
2026/04/14 05:00:46 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:47 DEBUG : Looking for writers
2026/04/14 05:00:47 DEBUG : file1: reading active writers
2026/04/14 05:00:47 DEBUG : file1: active writers 1
2026/04/14 05:00:47 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:48 DEBUG : Looking for writers
2026/04/14 05:00:48 DEBUG : file1: reading active writers
2026/04/14 05:00:48 DEBUG : file1: active writers 1
2026/04/14 05:00:48 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:49 DEBUG : Looking for writers
2026/04/14 05:00:49 DEBUG : file1: reading active writers
2026/04/14 05:00:49 DEBUG : file1: active writers 1
2026/04/14 05:00:49 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:50 DEBUG : Looking for writers
2026/04/14 05:00:50 DEBUG : file1: reading active writers
2026/04/14 05:00:50 DEBUG : file1: active writers 1
2026/04/14 05:00:50 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:51 DEBUG : Looking for writers
2026/04/14 05:00:51 DEBUG : file1: reading active writers
2026/04/14 05:00:51 DEBUG : file1: active writers 1
2026/04/14 05:00:51 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:52 DEBUG : Looking for writers
2026/04/14 05:00:52 DEBUG : file1: reading active writers
2026/04/14 05:00:52 DEBUG : file1: active writers 1
2026/04/14 05:00:52 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:53 DEBUG : Looking for writers
2026/04/14 05:00:53 DEBUG : file1: reading active writers
2026/04/14 05:00:53 DEBUG : file1: active writers 1
2026/04/14 05:00:53 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:54 DEBUG : Looking for writers
2026/04/14 05:00:54 DEBUG : file1: reading active writers
2026/04/14 05:00:54 DEBUG : file1: active writers 1
2026/04/14 05:00:54 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:55 DEBUG : Looking for writers
2026/04/14 05:00:55 DEBUG : file1: reading active writers
2026/04/14 05:00:55 DEBUG : file1: active writers 1
2026/04/14 05:00:55 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:56 DEBUG : Looking for writers
2026/04/14 05:00:56 DEBUG : file1: reading active writers
2026/04/14 05:00:56 DEBUG : file1: active writers 1
2026/04/14 05:00:56 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:57 DEBUG : Looking for writers
2026/04/14 05:00:57 DEBUG : file1: reading active writers
2026/04/14 05:00:57 DEBUG : file1: active writers 1
2026/04/14 05:00:57 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:58 DEBUG : Looking for writers
2026/04/14 05:00:58 DEBUG : file1: reading active writers
2026/04/14 05:00:58 DEBUG : file1: active writers 1
2026/04/14 05:00:58 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:00:59 DEBUG : Looking for writers
2026/04/14 05:00:59 DEBUG : file1: reading active writers
2026/04/14 05:00:59 DEBUG : file1: active writers 1
2026/04/14 05:00:59 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:01:00 DEBUG : Looking for writers
2026/04/14 05:01:00 DEBUG : file1: reading active writers
2026/04/14 05:01:00 DEBUG : file1: active writers 1
2026/04/14 05:01:00 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:01:01 DEBUG : Looking for writers
2026/04/14 05:01:01 DEBUG : file1: reading active writers
2026/04/14 05:01:01 DEBUG : file1: active writers 1
2026/04/14 05:01:01 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:01:02 DEBUG : Looking for writers
2026/04/14 05:01:02 DEBUG : file1: reading active writers
2026/04/14 05:01:02 DEBUG : file1: active writers 1
2026/04/14 05:01:02 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:01:03 DEBUG : Looking for writers
2026/04/14 05:01:03 DEBUG : file1: reading active writers
2026/04/14 05:01:03 DEBUG : file1: active writers 1
2026/04/14 05:01:03 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:01:04 DEBUG : Looking for writers
2026/04/14 05:01:04 DEBUG : file1: reading active writers
2026/04/14 05:01:04 DEBUG : file1: active writers 1
2026/04/14 05:01:04 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:01:05 DEBUG : Looking for writers
2026/04/14 05:01:05 DEBUG : file1: reading active writers
2026/04/14 05:01:05 DEBUG : file1: active writers 1
2026/04/14 05:01:05 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:01:06 DEBUG : Looking for writers
2026/04/14 05:01:06 DEBUG : file1: reading active writers
2026/04/14 05:01:06 DEBUG : file1: active writers 1
2026/04/14 05:01:06 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:01:07 DEBUG : Looking for writers
2026/04/14 05:01:07 DEBUG : file1: reading active writers
2026/04/14 05:01:07 DEBUG : file1: active writers 1
2026/04/14 05:01:07 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/04/14 05:01:08 ERROR : Exiting even though 1 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0x3decf847200 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0x3decf7a8a28 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:4255498537568} name:file1 opens:1 downloaders:<nil> o:<nil> fd:0x3decf4120c0 info:{ModTime:{wall:14010575697054077584 ext:225032274726 loc:0x46a1880} ATime:{wall:14010575697054077584 ext:225032274726 loc:0x46a1880} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:0 pendingAccesses:0 modified:true beingReset:false graceTimer:<nil>},
}
2026/04/14 05:01:08 DEBUG : >WaitForWriters: 
2026/04/14 05:01:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 05:01:08 ERROR : error listing: directory not found
--- FAIL: TestRWFileModTimeWithOpenWriters (30.45s)
=== RUN   TestRWCacheUpdate
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:01:08 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:01:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: root is "/home/rclone/.cache/rclone"
2026/04/14 05:01:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:01:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:01:08 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:01:08 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 05:01:08 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:01:08 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:01:08 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/04/14 05:01:08 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-wotubex2xuqo"
2026/04/14 05:01:08 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/04/14 05:01:08 DEBUG : forgetting directory cache
2026/04/14 05:01:08.748530 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:01:08.748557 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:08 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:01:08 DEBUG : Looking for writers
2026/04/14 05:01:08 DEBUG : >WaitForWriters: 
2026/04/14 05:01:08 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': vfs cache: cleaner exiting
2026/04/14 05:01:08 ERROR : error listing: directory not found
--- FAIL: TestRWCacheUpdate (0.43s)
=== RUN   TestCaseSensitivity
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:01:09.128380 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:01:09.128406 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:09 ERROR : error listing: directory not found
--- FAIL: TestCaseSensitivity (0.40s)
=== RUN   TestUnicodeNormalization
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:01:09.564884 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:01:09.564903 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:09 ERROR : error listing: directory not found
--- FAIL: TestUnicodeNormalization (0.43s)
=== RUN   TestVFSStat
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:01:09 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:01:09 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:01:09.965394 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:01:09.965413 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:09 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:01:09 DEBUG : Looking for writers
2026/04/14 05:01:09 DEBUG : >WaitForWriters: 
2026/04/14 05:01:10 ERROR : error listing: directory not found
--- FAIL: TestVFSStat (0.39s)
=== RUN   TestVFSStatParent
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:01:10 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:01:10 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:01:10.395826 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:01:10.395848 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:10 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:01:10 DEBUG : Looking for writers
2026/04/14 05:01:10 DEBUG : >WaitForWriters: 
2026/04/14 05:01:10 ERROR : error listing: directory not found
--- FAIL: TestVFSStatParent (0.45s)
=== RUN   TestVFSOpenFile
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:01:10 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:01:10 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:01:10.997986 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:01:10.998015 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:10 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:01:10 DEBUG : Looking for writers
2026/04/14 05:01:10 DEBUG : >WaitForWriters: 
2026/04/14 05:01:11 ERROR : error listing: directory not found
--- FAIL: TestVFSOpenFile (0.61s)
=== RUN   TestVFSRename
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:01:11 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:01:11 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:01:11.409740 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:01:11.409760 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:11 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:01:11 DEBUG : Looking for writers
2026/04/14 05:01:11 DEBUG : >WaitForWriters: 
2026/04/14 05:01:11 ERROR : error listing: directory not found
--- FAIL: TestVFSRename (0.40s)
=== RUN   TestVFSMkdir
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:01:11 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:01:11 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:01:11 ERROR : error listing: directory not found
2026/04/14 05:01:12.005653 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:01:12.005682 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:12 ERROR : /: Dir.Mkdir failed to create directory: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    vfs_test.go:375: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/vfs_test.go:375
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestVFSMkdir
2026/04/14 05:01:12 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:01:12 DEBUG : Looking for writers
2026/04/14 05:01:12 DEBUG : >WaitForWriters: 
2026/04/14 05:01:12 ERROR : error listing: directory not found
--- FAIL: TestVFSMkdir (0.57s)
=== RUN   TestVFSMkdirAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:01:12 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:01:12 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:01:12 ERROR : error listing: directory not found
2026/04/14 05:01:12 ERROR : error listing: directory not found
2026/04/14 05:01:12.688133 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:01:12.688155 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:12 ERROR : /: Dir.Mkdir failed to create directory: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    vfs_test.go:425: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/vfs_test.go:425
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestVFSMkdirAll
2026/04/14 05:01:12 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:01:12 DEBUG : Looking for writers
2026/04/14 05:01:12 DEBUG : >WaitForWriters: 
2026/04/14 05:01:12 ERROR : error listing: directory not found
--- FAIL: TestVFSMkdirAll (0.69s)
=== RUN   TestWriteFileHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:01:12 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:01:12 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:01:12 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 05:01:12 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 05:01:12 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:01:12 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/14 05:01:12 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/14 05:01:12 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:01:12 ERROR : file1: WriteFileHandle: Read: Can't read and write to file without --vfs-cache-mode >= minimal
2026/04/14 05:01:12 ERROR : file1: WriteFileHandle: ReadAt: Can't read and write to file without --vfs-cache-mode >= minimal
2026/04/14 05:01:12 ERROR : file1: WriteFileHandle: Truncate: Can't change size without --vfs-cache-mode >= writes
2026/04/14 05:01:12 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': File to upload is small (5 bytes), uploading instead of streaming
2026/04/14 05:01:13.372587 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:01:13.372613 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:13 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:13 DEBUG : file1: Remove: 
2026/04/14 05:01:13 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/14 05:01:13 DEBUG : file1: >Remove: err=<nil>
    write_test.go:144: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:144
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleMethods
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:153
        	Error:      	Not equal: 
        	            	expected: []string{"file1,5,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=13) "file1,5,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleMethods
2026/04/14 05:01:13 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/04/14 05:01:14 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/04/14 05:01:16 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/write_test.go:157
        	Error:      	Should be true
        	Test:       	TestWriteFileHandleMethods
        	Messages:   	listing wrong, want
        	            	  file1 (5) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:157
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestWriteFileHandleMethods
        	Messages:   	1 objects not found
2026/04/14 05:01:20 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 05:01:20 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 05:01:20 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:01:20 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/14 05:01:20 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/14 05:01:20 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:01:20 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': File to upload is small (0 bytes), uploading instead of streaming
2026/04/14 05:01:21.329718 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:01:21.329751 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:21 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:21 DEBUG : file1: Remove: 
2026/04/14 05:01:21 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/14 05:01:21 DEBUG : file1: >Remove: err=<nil>
    write_test.go:163: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:163
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleMethods
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:164
        	Error:      	Not equal: 
        	            	expected: []string{"file1,5,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=13) "file1,5,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleMethods
2026/04/14 05:01:21 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 05:01:21 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 05:01:21 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:01:21 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/14 05:01:21 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/14 05:01:21 DEBUG : Added virtual directory entry vAddFile: "file1"
    write_test.go:171: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:171
        	Error:      	Not equal: 
        	            	expected: *errors.errorString(&errors.errorString{s:"permission denied"})
        	            	actual  : <nil>(<nil>)
        	Test:       	TestWriteFileHandleMethods
2026/04/14 05:01:21 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:01:21 DEBUG : Looking for writers
2026/04/14 05:01:21 DEBUG : file1: reading active writers
2026/04/14 05:01:21 DEBUG : file1: active writers 1
2026/04/14 05:01:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 10ms
2026/04/14 05:01:21 DEBUG : Looking for writers
2026/04/14 05:01:21 DEBUG : file1: reading active writers
2026/04/14 05:01:21 DEBUG : file1: active writers 1
2026/04/14 05:01:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 20ms
2026/04/14 05:01:21 DEBUG : Looking for writers
2026/04/14 05:01:21 DEBUG : file1: reading active writers
2026/04/14 05:01:21 DEBUG : file1: active writers 1
2026/04/14 05:01:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 40ms
2026/04/14 05:01:21 DEBUG : Looking for writers
2026/04/14 05:01:21 DEBUG : file1: reading active writers
2026/04/14 05:01:21 DEBUG : file1: active writers 1
2026/04/14 05:01:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 80ms
2026/04/14 05:01:21 DEBUG : Looking for writers
2026/04/14 05:01:21 DEBUG : file1: reading active writers
2026/04/14 05:01:21 DEBUG : file1: active writers 1
2026/04/14 05:01:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 160ms
2026/04/14 05:01:21 DEBUG : Looking for writers
2026/04/14 05:01:21 DEBUG : file1: reading active writers
2026/04/14 05:01:21 DEBUG : file1: active writers 1
2026/04/14 05:01:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 320ms
2026/04/14 05:01:21 DEBUG : Looking for writers
2026/04/14 05:01:21 DEBUG : file1: reading active writers
2026/04/14 05:01:21 DEBUG : file1: active writers 1
2026/04/14 05:01:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 640ms
2026/04/14 05:01:22 DEBUG : Looking for writers
2026/04/14 05:01:22 DEBUG : file1: reading active writers
2026/04/14 05:01:22 DEBUG : file1: active writers 1
2026/04/14 05:01:22 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:23 DEBUG : Looking for writers
2026/04/14 05:01:23 DEBUG : file1: reading active writers
2026/04/14 05:01:23 DEBUG : file1: active writers 1
2026/04/14 05:01:23 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:24 DEBUG : Looking for writers
2026/04/14 05:01:24 DEBUG : file1: reading active writers
2026/04/14 05:01:24 DEBUG : file1: active writers 1
2026/04/14 05:01:24 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:25 DEBUG : Looking for writers
2026/04/14 05:01:25 DEBUG : file1: reading active writers
2026/04/14 05:01:25 DEBUG : file1: active writers 1
2026/04/14 05:01:25 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:26 DEBUG : Looking for writers
2026/04/14 05:01:26 DEBUG : file1: reading active writers
2026/04/14 05:01:26 DEBUG : file1: active writers 1
2026/04/14 05:01:26 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:27 DEBUG : Looking for writers
2026/04/14 05:01:27 DEBUG : file1: reading active writers
2026/04/14 05:01:27 DEBUG : file1: active writers 1
2026/04/14 05:01:27 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:28 DEBUG : Looking for writers
2026/04/14 05:01:28 DEBUG : file1: reading active writers
2026/04/14 05:01:28 DEBUG : file1: active writers 1
2026/04/14 05:01:28 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:29 DEBUG : Looking for writers
2026/04/14 05:01:29 DEBUG : file1: reading active writers
2026/04/14 05:01:29 DEBUG : file1: active writers 1
2026/04/14 05:01:29 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:30 DEBUG : Looking for writers
2026/04/14 05:01:30 DEBUG : file1: reading active writers
2026/04/14 05:01:30 DEBUG : file1: active writers 1
2026/04/14 05:01:30 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:31 DEBUG : Looking for writers
2026/04/14 05:01:31 DEBUG : file1: reading active writers
2026/04/14 05:01:31 DEBUG : file1: active writers 1
2026/04/14 05:01:31 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:32 DEBUG : Looking for writers
2026/04/14 05:01:32 DEBUG : file1: reading active writers
2026/04/14 05:01:32 DEBUG : file1: active writers 1
2026/04/14 05:01:32 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:33 DEBUG : Looking for writers
2026/04/14 05:01:33 DEBUG : file1: reading active writers
2026/04/14 05:01:33 DEBUG : file1: active writers 1
2026/04/14 05:01:33 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:34 DEBUG : Looking for writers
2026/04/14 05:01:34 DEBUG : file1: reading active writers
2026/04/14 05:01:34 DEBUG : file1: active writers 1
2026/04/14 05:01:34 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:35 DEBUG : Looking for writers
2026/04/14 05:01:35 DEBUG : file1: reading active writers
2026/04/14 05:01:35 DEBUG : file1: active writers 1
2026/04/14 05:01:35 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:36 DEBUG : Looking for writers
2026/04/14 05:01:36 DEBUG : file1: reading active writers
2026/04/14 05:01:36 DEBUG : file1: active writers 1
2026/04/14 05:01:36 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:37 DEBUG : Looking for writers
2026/04/14 05:01:37 DEBUG : file1: reading active writers
2026/04/14 05:01:37 DEBUG : file1: active writers 1
2026/04/14 05:01:37 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:38 DEBUG : Looking for writers
2026/04/14 05:01:38 DEBUG : file1: reading active writers
2026/04/14 05:01:38 DEBUG : file1: active writers 1
2026/04/14 05:01:38 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:39 DEBUG : Looking for writers
2026/04/14 05:01:39 DEBUG : file1: reading active writers
2026/04/14 05:01:39 DEBUG : file1: active writers 1
2026/04/14 05:01:39 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:40 DEBUG : Looking for writers
2026/04/14 05:01:40 DEBUG : file1: reading active writers
2026/04/14 05:01:40 DEBUG : file1: active writers 1
2026/04/14 05:01:40 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:41 DEBUG : Looking for writers
2026/04/14 05:01:41 DEBUG : file1: reading active writers
2026/04/14 05:01:41 DEBUG : file1: active writers 1
2026/04/14 05:01:41 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:42 DEBUG : Looking for writers
2026/04/14 05:01:42 DEBUG : file1: reading active writers
2026/04/14 05:01:42 DEBUG : file1: active writers 1
2026/04/14 05:01:42 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:43 DEBUG : Looking for writers
2026/04/14 05:01:43 DEBUG : file1: reading active writers
2026/04/14 05:01:43 DEBUG : file1: active writers 1
2026/04/14 05:01:43 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:44 DEBUG : Looking for writers
2026/04/14 05:01:44 DEBUG : file1: reading active writers
2026/04/14 05:01:44 DEBUG : file1: active writers 1
2026/04/14 05:01:44 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:45 DEBUG : Looking for writers
2026/04/14 05:01:45 DEBUG : file1: reading active writers
2026/04/14 05:01:45 DEBUG : file1: active writers 1
2026/04/14 05:01:45 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:46 DEBUG : Looking for writers
2026/04/14 05:01:46 DEBUG : file1: reading active writers
2026/04/14 05:01:46 DEBUG : file1: active writers 1
2026/04/14 05:01:46 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:47 DEBUG : Looking for writers
2026/04/14 05:01:47 DEBUG : file1: reading active writers
2026/04/14 05:01:47 DEBUG : file1: active writers 1
2026/04/14 05:01:47 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:48 DEBUG : Looking for writers
2026/04/14 05:01:48 DEBUG : file1: reading active writers
2026/04/14 05:01:48 DEBUG : file1: active writers 1
2026/04/14 05:01:48 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:49 DEBUG : Looking for writers
2026/04/14 05:01:49 DEBUG : file1: reading active writers
2026/04/14 05:01:49 DEBUG : file1: active writers 1
2026/04/14 05:01:49 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:50 DEBUG : Looking for writers
2026/04/14 05:01:50 DEBUG : file1: reading active writers
2026/04/14 05:01:50 DEBUG : file1: active writers 1
2026/04/14 05:01:50 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/04/14 05:01:51 ERROR : Exiting even though 1 writers active and 0 cache items in use after 30s
Cache: <nil>
2026/04/14 05:01:51 DEBUG : >WaitForWriters: 
2026/04/14 05:01:51 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleMethods (38.63s)
=== RUN   TestWriteFileHandleWriteAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:01:51 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:01:51 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:01:51 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 05:01:51 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 05:01:51 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:01:51 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/14 05:01:51 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/14 05:01:51 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:01:51 DEBUG : file1: waiting for in-sequence write to 100 for 1s
2026/04/14 05:01:52 DEBUG : file1: aborting in-sequence write wait, off=100
2026/04/14 05:01:52 DEBUG : file1: failed to wait for in-sequence write to 100
2026/04/14 05:01:52 ERROR : file1: WriteFileHandle.Write: can't seek in file without --vfs-cache-mode >= writes
2026/04/14 05:01:52 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': File to upload is small (11 bytes), uploading instead of streaming
2026/04/14 05:01:52.883760 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:01:52.883785 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:52 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:01:52 DEBUG : file1: Remove: 
2026/04/14 05:01:52 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/14 05:01:52 DEBUG : file1: >Remove: err=<nil>
    write_test.go:221: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:221
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleWriteAt
2026/04/14 05:01:52 ERROR : file1: WriteFileHandle.Write: error: Bad file descriptor
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:231
        	Error:      	Not equal: 
        	            	expected: []string{"file1,11,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=14) "file1,11,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleWriteAt
2026/04/14 05:01:53 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/04/14 05:01:54 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/04/14 05:01:56 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:235
        	Error:      	Should be true
        	Test:       	TestWriteFileHandleWriteAt
        	Messages:   	listing wrong, want
        	            	  file1 (11) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:235
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestWriteFileHandleWriteAt
        	Messages:   	1 objects not found
2026/04/14 05:02:00 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:02:00 DEBUG : Looking for writers
2026/04/14 05:02:00 DEBUG : >WaitForWriters: 
2026/04/14 05:02:00 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleWriteAt (9.18s)
=== RUN   TestWriteFileHandleFlush
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:02:00 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:02:00 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:02:00 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 05:02:00 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 05:02:00 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:02:00 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/14 05:02:00 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/14 05:02:00 DEBUG : file1: WriteFileHandle.Flush unwritten handle, writing 0 bytes to avoid race conditions
2026/04/14 05:02:00 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:02:00 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': File to upload is small (5 bytes), uploading instead of streaming
2026/04/14 05:02:00.971730 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:02:00.971770 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:00 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:00 DEBUG : file1: Remove: 
2026/04/14 05:02:00 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/14 05:02:00 DEBUG : file1: >Remove: err=<nil>
2026/04/14 05:02:00 ERROR : file1: WriteFileHandle.Flush error: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    write_test.go:256: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:256
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleFlush
2026/04/14 05:02:00 DEBUG : file1: WriteFileHandle.Flush nothing to do
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:267
        	Error:      	Not equal: 
        	            	expected: []string{"file1,5,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=13) "file1,5,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleFlush
2026/04/14 05:02:00 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:02:00 DEBUG : Looking for writers
2026/04/14 05:02:00 DEBUG : >WaitForWriters: 
2026/04/14 05:02:01 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleFlush (0.48s)
=== RUN   TestWriteFileHandleRelease
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:02:01 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:02:01 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:02:01 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 05:02:01 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 05:02:01 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:02:01 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/14 05:02:01 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/14 05:02:01 DEBUG : file1: WriteFileHandle.Release closing
2026/04/14 05:02:01 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:02:01 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': File to upload is small (0 bytes), uploading instead of streaming
2026/04/14 05:02:01.549925 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:02:01.549945 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:01 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:01 DEBUG : file1: Remove: 
2026/04/14 05:02:01 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/14 05:02:01 DEBUG : file1: >Remove: err=<nil>
2026/04/14 05:02:01 ERROR : file1: WriteFileHandle.Release error: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    write_test.go:279: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:279
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleRelease
2026/04/14 05:02:01 DEBUG : file1: WriteFileHandle.Release nothing to do
2026/04/14 05:02:01 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:02:01 DEBUG : Looking for writers
2026/04/14 05:02:01 DEBUG : >WaitForWriters: 
2026/04/14 05:02:01 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleRelease (0.57s)
=== RUN   TestWriteFileModTimeWithOpenWriters
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:02:01 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:02:01 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:02:01 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 05:02:01 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 05:02:01 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:02:01 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/14 05:02:01 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/14 05:02:01 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:02:01 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': File to upload is small (2 bytes), uploading instead of streaming
2026/04/14 05:02:02.195849 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:02:02.195879 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:02 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:02 DEBUG : file1: Remove: 
2026/04/14 05:02:02 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/14 05:02:02 DEBUG : file1: >Remove: err=<nil>
    write_test.go:333: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:333
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileModTimeWithOpenWriters
2026/04/14 05:02:02 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:02:02 DEBUG : Looking for writers
2026/04/14 05:02:02 DEBUG : >WaitForWriters: 
2026/04/14 05:02:02 ERROR : error listing: directory not found
--- FAIL: TestWriteFileModTimeWithOpenWriters (0.63s)
=== RUN   TestFileReadAtZeroLength
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:02:02 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:02:02 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:02:02 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 05:02:02 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 05:02:02 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:02:02 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/14 05:02:02 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/14 05:02:02 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:02:02 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': File to upload is small (0 bytes), uploading instead of streaming
2026/04/14 05:02:02.691903 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:02:02.691921 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:02 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:02 DEBUG : file1: Remove: 
2026/04/14 05:02:02 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/14 05:02:02 DEBUG : file1: >Remove: err=<nil>
    write_test.go:360: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:360
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:380
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestFileReadAtZeroLength
2026/04/14 05:02:02 DEBUG : file1: OpenFile: flags=O_RDONLY, perm=----------
2026/04/14 05:02:02 DEBUG : file1: >OpenFile: fd=<nil>, err=file does not exist
    write_test.go:365: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:365
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:380
        	Error:      	Received unexpected error:
        	            	file does not exist
        	Test:       	TestFileReadAtZeroLength
2026/04/14 05:02:02 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:02:02 DEBUG : Looking for writers
2026/04/14 05:02:02 DEBUG : >WaitForWriters: 
2026/04/14 05:02:02 ERROR : error listing: directory not found
--- FAIL: TestFileReadAtZeroLength (0.51s)
=== RUN   TestFileReadAtNonZeroLength
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:02:02 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:02:02 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:02:02 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/04/14 05:02:02 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/04/14 05:02:02 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:02:02 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/04/14 05:02:02 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/04/14 05:02:02 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/04/14 05:02:02 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': File to upload is small (100 bytes), uploading instead of streaming
2026/04/14 05:02:03.206883 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:02:03.206912 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:03 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:03 DEBUG : file1: Remove: 
2026/04/14 05:02:03 DEBUG : Added virtual directory entry vDel: "file1"
2026/04/14 05:02:03 DEBUG : file1: >Remove: err=<nil>
    write_test.go:360: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:360
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:384
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestFileReadAtNonZeroLength
2026/04/14 05:02:03 DEBUG : file1: OpenFile: flags=O_RDONLY, perm=----------
2026/04/14 05:02:03 DEBUG : file1: >OpenFile: fd=<nil>, err=file does not exist
    write_test.go:365: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:365
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:384
        	Error:      	Received unexpected error:
        	            	file does not exist
        	Test:       	TestFileReadAtNonZeroLength
2026/04/14 05:02:03 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:02:03 DEBUG : Looking for writers
2026/04/14 05:02:03 DEBUG : >WaitForWriters: 
2026/04/14 05:02:03 ERROR : error listing: directory not found
--- FAIL: TestFileReadAtNonZeroLength (0.50s)
=== RUN   TestZipManyFiles
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:02:03 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:02:03 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:02:03.551870 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:02:03.551891 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:03 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:02:03 DEBUG : Looking for writers
2026/04/14 05:02:03 DEBUG : >WaitForWriters: 
2026/04/14 05:02:03 ERROR : error listing: directory not found
--- FAIL: TestZipManyFiles (0.37s)
=== RUN   TestZipManySubDirs
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:02:03 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:02:03 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:02:03.914172 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:02:03.914192 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:03 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:02:03 DEBUG : Looking for writers
2026/04/14 05:02:03 DEBUG : >WaitForWriters: 
2026/04/14 05:02:03 ERROR : error listing: directory not found
--- FAIL: TestZipManySubDirs (0.36s)
=== RUN   TestZipLargeFiles
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:02:03 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:02:03 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:02:04.388835 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:02:04.388859 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:04 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:02:04 DEBUG : Looking for writers
2026/04/14 05:02:04 DEBUG : >WaitForWriters: 
2026/04/14 05:02:04 ERROR : error listing: directory not found
--- FAIL: TestZipLargeFiles (0.59s)
=== RUN   TestZipDirsInRoot
    run.go:185: Remote "proton drive root link ID 'rclone-test-wotubex2xuqo'", Local "Local file system at /tmp/rclone3466263065", Modify Window "1s"
2026/04/14 05:02:04 INFO  : proton drive root link ID 'rclone-test-wotubex2xuqo': poll-interval is not supported by this remote
2026/04/14 05:02:04 NOTICE: proton drive root link ID 'rclone-test-wotubex2xuqo': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/04/14 05:02:04.930656 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/04/14 05:02:04.930678 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-wotubex2xuqo'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/04/14 05:02:04 DEBUG : WaitForWriters: timeout=30s
2026/04/14 05:02:04 DEBUG : Looking for writers
2026/04/14 05:02:04 DEBUG : >WaitForWriters: 
2026/04/14 05:02:04 ERROR : error listing: directory not found
--- FAIL: TestZipDirsInRoot (0.41s)
FAIL
2026/04/14 05:02:04 DEBUG : proton drive root link ID 'rclone-test-wotubex2xuqo': Purge remote
2026/04/14 05:02:05 NOTICE: purge failed: directory not found
"./vfs.test -test.v -test.timeout 1h0m0s -remote TestProtonDrive: -verbose -test.run '^(TestCaseSensitivity|TestDirCreate|TestDirFileOpen|TestDirForgetAll|TestDirForgetPath|TestDirHandleMethods|TestDirHandleReaddir|TestDirHandleReaddirnames|TestDirMetadataExtension|TestDirMethods|TestDirMkdir|TestDirMkdirSub|TestDirOpen|TestDirReadDirAll|TestDirRemove|TestDirRemoveAll|TestDirRemoveName|TestDirRename|TestDirSetModTime|TestDirStat|TestDirWalk|TestFileMethods|TestFileOpen|TestFileOpenRead|TestFileOpenWrite|TestFileReadAtNonZeroLength|TestFileReadAtZeroLength|TestFileRemove|TestFileRemoveAll|TestRWCacheUpdate|TestRWFileHandleFlushRead|TestRWFileHandleMethodsRead|TestRWFileHandleMethodsWrite|TestRWFileHandleReadAt|TestRWFileHandleReleaseRead|TestRWFileHandleSeek|TestRWFileHandleSizeCreateExisting|TestRWFileHandleSizeTruncateExisting|TestRWFileHandleWriteAt|TestRWFileHandleWriteNoWrite|TestRWFileModTimeWithOpenWriters|TestReadFileHandleFlush|TestReadFileHandleMethods|TestReadFileHandleReadAt|TestReadFileHandleRelease|TestReadFileHandleSeek|TestUnicodeNormalization|TestVFSMkdir|TestVFSMkdirAll|TestVFSOpenFile|TestVFSRename|TestVFSStat|TestVFSStatParent|TestWriteFileHandleFlush|TestWriteFileHandleMethods|TestWriteFileHandleRelease|TestWriteFileHandleWriteAt|TestWriteFileModTimeWithOpenWriters|TestZipDirsInRoot|TestZipLargeFiles|TestZipManyFiles|TestZipManySubDirs)$|^TestFileRename$/^(full,forceCache=false|minimal,forceCache=false|minimal,forceCache=true|off,forceCache=false|writes,forceCache=false|writes,forceCache=true)$|^TestFileSetModTime$/^(cache=full,open=false,write=false|cache=full,open=true,write=false|cache=full,open=true,write=true|cache=off,open=false,write=false|cache=off,open=true,write=false|cache=off,open=true,write=true)$'" - Finished ERROR in 5m12.086819005s (try 4/5): 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]