"./vfs.test -test.v -test.timeout 1h0m0s -remote TestProtonDrive: -verbose -test.run '^(TestCaseSensitivity|TestDirCreate|TestDirFileOpen|TestDirForgetAll|TestDirForgetPath|TestDirHandleMethods|TestDirHandleReaddir|TestDirHandleReaddirnames|TestDirMetadataExtension|TestDirMethods|TestDirMkdir|TestDirMkdirSub|TestDirOpen|TestDirReadDirAll|TestDirRemove|TestDirRemoveAll|TestDirRemoveName|TestDirRename|TestDirSetModTime|TestDirStat|TestDirWalk|TestFileMethods|TestFileOpen|TestFileOpenRead|TestFileOpenWrite|TestFileReadAtNonZeroLength|TestFileReadAtZeroLength|TestFileRemove|TestFileRemoveAll|TestRWCacheUpdate|TestRWFileHandleFlushRead|TestRWFileHandleMethodsRead|TestRWFileHandleMethodsWrite|TestRWFileHandleReadAt|TestRWFileHandleReleaseRead|TestRWFileHandleSeek|TestRWFileHandleSizeCreateExisting|TestRWFileHandleSizeTruncateExisting|TestRWFileHandleWriteAt|TestRWFileHandleWriteNoWrite|TestRWFileModTimeWithOpenWriters|TestReadFileHandleFlush|TestReadFileHandleMethods|TestReadFileHandleReadAt|TestReadFileHandleRelease|TestReadFileHandleSeek|TestUnicodeNormalization|TestVFSMkdir|TestVFSMkdirAll|TestVFSOpenFile|TestVFSRename|TestVFSStat|TestVFSStatParent|TestWriteFileHandleFlush|TestWriteFileHandleMethods|TestWriteFileHandleRelease|TestWriteFileHandleWriteAt|TestWriteFileModTimeWithOpenWriters|TestZipDirsInRoot|TestZipLargeFiles|TestZipManyFiles|TestZipManySubDirs)$|^TestFileRename$/^(full,forceCache=false|minimal,forceCache=false|minimal,forceCache=true|off,forceCache=false|writes,forceCache=false|writes,forceCache=true)$|^TestFileSetModTime$/^(cache=full,open=false,write=false|cache=full,open=true,write=false|cache=full,open=true,write=true|cache=off,open=false,write=false|cache=off,open=true,write=false|cache=off,open=true,write=true)$'" - Starting (try 2/5)
2026/01/11 01:18:15 DEBUG : Creating backend with remote "TestProtonDrive:rclone-test-nikozeq4wacu"
2026/01/11 01:18:15 DEBUG : Using config file from "/home/rclone/.rclone.conf"
2026/01/11 01:18:15 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': Has cached credentials
2026/01/11 01:18:17 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': Used cached credential to initialize the ProtonDrive API
2026/01/11 01:18:18 DEBUG : Creating backend with remote "/tmp/rclone3772744811"
=== RUN   TestDirHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:18 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:18 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:18.826268 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:18.826306 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:18 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:18 DEBUG : Looking for writers
2026/01/11 01:18:18 DEBUG : >WaitForWriters: 
2026/01/11 01:18:19 ERROR : error listing: directory not found
--- FAIL: TestDirHandleMethods (0.91s)
=== RUN   TestDirHandleReaddir
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:19 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:19 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:19.786218 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:19.786258 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:19 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:19 DEBUG : Looking for writers
2026/01/11 01:18:19 DEBUG : >WaitForWriters: 
2026/01/11 01:18:19 ERROR : error listing: directory not found
--- FAIL: TestDirHandleReaddir (0.94s)
=== RUN   TestDirHandleReaddirnames
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:19 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:19 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:20.658709 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:20.658730 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:20 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:20 DEBUG : Looking for writers
2026/01/11 01:18:20 DEBUG : >WaitForWriters: 
2026/01/11 01:18:20 ERROR : error listing: directory not found
--- FAIL: TestDirHandleReaddirnames (0.77s)
=== RUN   TestDirMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:20 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:20 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:21.497560 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:21.497585 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:21 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:21 DEBUG : Looking for writers
2026/01/11 01:18:21 DEBUG : >WaitForWriters: 
2026/01/11 01:18:21 ERROR : error listing: directory not found
--- FAIL: TestDirMethods (0.92s)
=== RUN   TestDirForgetAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:21 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:21 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:22.473189 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:22.473262 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:22 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:22 DEBUG : Looking for writers
2026/01/11 01:18:22 DEBUG : >WaitForWriters: 
2026/01/11 01:18:22 ERROR : error listing: directory not found
--- FAIL: TestDirForgetAll (0.96s)
=== RUN   TestDirForgetPath
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:22 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:22 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:23.350087 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:23.350112 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:23 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:23 DEBUG : Looking for writers
2026/01/11 01:18:23 DEBUG : >WaitForWriters: 
2026/01/11 01:18:23 ERROR : error listing: directory not found
--- FAIL: TestDirForgetPath (0.88s)
=== RUN   TestDirWalk
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:23 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:23 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:24.071595 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:24.071619 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:24 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:24 DEBUG : Looking for writers
2026/01/11 01:18:24 DEBUG : >WaitForWriters: 
2026/01/11 01:18:24 ERROR : error listing: directory not found
--- FAIL: TestDirWalk (0.72s)
=== RUN   TestDirSetModTime
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:24 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:24 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:24.806409 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:24.806453 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:24 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:24 DEBUG : Looking for writers
2026/01/11 01:18:24 DEBUG : >WaitForWriters: 
2026/01/11 01:18:24 ERROR : error listing: directory not found
--- FAIL: TestDirSetModTime (0.74s)
=== RUN   TestDirStat
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:24 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:24 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:25.665272 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:25.665291 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:25 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:25 DEBUG : Looking for writers
2026/01/11 01:18:25 DEBUG : >WaitForWriters: 
2026/01/11 01:18:25 ERROR : error listing: directory not found
--- FAIL: TestDirStat (0.87s)
=== RUN   TestDirReadDirAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:25 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:25 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:26.610493 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:26.610523 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:26 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:26 DEBUG : Looking for writers
2026/01/11 01:18:26 DEBUG : >WaitForWriters: 
2026/01/11 01:18:26 ERROR : error listing: directory not found
--- FAIL: TestDirReadDirAll (0.93s)
=== RUN   TestDirOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:26 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:26 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:27.526703 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:27.526722 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:27 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:27 DEBUG : Looking for writers
2026/01/11 01:18:27 DEBUG : >WaitForWriters: 
2026/01/11 01:18:27 ERROR : error listing: directory not found
--- FAIL: TestDirOpen (0.91s)
=== RUN   TestDirCreate
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:27 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:27 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:28.435648 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:28.435710 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:28 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:28 DEBUG : Looking for writers
2026/01/11 01:18:28 DEBUG : >WaitForWriters: 
2026/01/11 01:18:28 ERROR : error listing: directory not found
--- FAIL: TestDirCreate (0.92s)
=== RUN   TestDirMkdir
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:28 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:28 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:29.279505 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:29.279536 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:29 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:29 DEBUG : Looking for writers
2026/01/11 01:18:29 DEBUG : >WaitForWriters: 
2026/01/11 01:18:29 ERROR : error listing: directory not found
--- FAIL: TestDirMkdir (0.84s)
=== RUN   TestDirMkdirSub
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:29 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:29 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:30.079646 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:30.079691 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:30 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:30 DEBUG : Looking for writers
2026/01/11 01:18:30 DEBUG : >WaitForWriters: 
2026/01/11 01:18:30 ERROR : error listing: directory not found
--- FAIL: TestDirMkdirSub (0.71s)
=== RUN   TestDirRemove
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:30 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:30 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:30.842465 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:30.842486 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:30 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:30 DEBUG : Looking for writers
2026/01/11 01:18:30 DEBUG : >WaitForWriters: 
2026/01/11 01:18:30 ERROR : error listing: directory not found
--- FAIL: TestDirRemove (0.77s)
=== RUN   TestDirRemoveAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:30 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:30 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:31.736631 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:31.736653 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:31 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:31 DEBUG : Looking for writers
2026/01/11 01:18:31 DEBUG : >WaitForWriters: 
2026/01/11 01:18:31 ERROR : error listing: directory not found
--- FAIL: TestDirRemoveAll (1.00s)
=== RUN   TestDirRemoveName
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:31 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:31 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:32.549188 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:32.549211 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:32 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:32 DEBUG : Looking for writers
2026/01/11 01:18:32 DEBUG : >WaitForWriters: 
2026/01/11 01:18:32 ERROR : error listing: directory not found
--- FAIL: TestDirRemoveName (0.78s)
=== RUN   TestDirRename
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:32 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:32 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:33.267474 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:33.267496 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:33 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:33 DEBUG : Looking for writers
2026/01/11 01:18:33 DEBUG : >WaitForWriters: 
2026/01/11 01:18:33 ERROR : error listing: directory not found
--- FAIL: TestDirRename (0.71s)
=== RUN   TestDirFileOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:33 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:33 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:34.174605 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:34.174627 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:34 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:34 DEBUG : Looking for writers
2026/01/11 01:18:34 DEBUG : >WaitForWriters: 
2026/01/11 01:18:34 ERROR : error listing: directory not found
--- FAIL: TestDirFileOpen (0.91s)
=== RUN   TestDirMetadataExtension
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:34 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:34 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:34.982541 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:34.982567 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:34 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:34 DEBUG : Looking for writers
2026/01/11 01:18:34 DEBUG : >WaitForWriters: 
2026/01/11 01:18:35 ERROR : error listing: directory not found
--- FAIL: TestDirMetadataExtension (0.76s)
=== RUN   TestFileMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:35 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:35 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:35.769339 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:35.769358 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:35 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:35 DEBUG : Looking for writers
2026/01/11 01:18:35 DEBUG : >WaitForWriters: 
2026/01/11 01:18:35 ERROR : error listing: directory not found
--- FAIL: TestFileMethods (0.83s)
=== RUN   TestFileSetModTime
=== RUN   TestFileSetModTime/cache=off,open=false,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:35 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:35 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:36.548679 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:36.548704 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:36 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:36 DEBUG : Looking for writers
2026/01/11 01:18:36 DEBUG : >WaitForWriters: 
2026/01/11 01:18:36 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-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:36 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:36 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:37.319911 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:37.319940 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:37 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:37 DEBUG : Looking for writers
2026/01/11 01:18:37 DEBUG : >WaitForWriters: 
2026/01/11 01:18:37 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-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:37 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:37 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:38.456265 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:38.456288 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:38 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:38 DEBUG : Looking for writers
2026/01/11 01:18:38 DEBUG : >WaitForWriters: 
2026/01/11 01:18:38 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-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:38 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:38 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:38 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:38 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:38 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:38 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:38 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:38 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:38 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:38 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:38 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:39.282256 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:39.282277 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:39 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:39 DEBUG : Looking for writers
2026/01/11 01:18:39 DEBUG : >WaitForWriters: 
2026/01/11 01:18:39 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:39 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-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:39 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:39 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:39 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:39 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:39 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:39 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:39 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:39 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:39 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:39 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:39 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:40.266316 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:40.266340 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:40 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:40 DEBUG : Looking for writers
2026/01/11 01:18:40 DEBUG : >WaitForWriters: 
2026/01/11 01:18:40 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:40 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-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:40 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:40 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:40 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:40 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:40 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:40 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:40 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:40 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:40 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:40 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:40 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:41.007168 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:41.007207 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:41 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:41 DEBUG : Looking for writers
2026/01/11 01:18:41 DEBUG : >WaitForWriters: 
2026/01/11 01:18:41 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:41 ERROR : error listing: directory not found
--- FAIL: TestFileSetModTime (5.19s)
    --- FAIL: TestFileSetModTime/cache=off,open=false,write=false (0.74s)
    --- FAIL: TestFileSetModTime/cache=off,open=true,write=false (1.05s)
    --- FAIL: TestFileSetModTime/cache=off,open=true,write=true (0.91s)
    --- FAIL: TestFileSetModTime/cache=full,open=false,write=false (0.85s)
    --- FAIL: TestFileSetModTime/cache=full,open=true,write=false (0.95s)
    --- FAIL: TestFileSetModTime/cache=full,open=true,write=true (0.68s)
=== RUN   TestFileOpenRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:41 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:41 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:41.666096 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:41.666155 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:41 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:41 DEBUG : Looking for writers
2026/01/11 01:18:41 DEBUG : >WaitForWriters: 
2026/01/11 01:18:41 ERROR : error listing: directory not found
--- FAIL: TestFileOpenRead (0.72s)
=== RUN   TestFileOpenWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:41 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:41 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:42.464402 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:42.464442 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:42 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:42 DEBUG : Looking for writers
2026/01/11 01:18:42 DEBUG : >WaitForWriters: 
2026/01/11 01:18:42 ERROR : error listing: directory not found
--- FAIL: TestFileOpenWrite (0.72s)
=== RUN   TestFileRemove
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:42 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:42 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:43.309043 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:43.309064 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:43 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:43 DEBUG : Looking for writers
2026/01/11 01:18:43 DEBUG : >WaitForWriters: 
2026/01/11 01:18:43 ERROR : error listing: directory not found
--- FAIL: TestFileRemove (0.91s)
=== RUN   TestFileRemoveAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:43 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:43 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:44.340679 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:44.340701 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:44 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:44 DEBUG : Looking for writers
2026/01/11 01:18:44 DEBUG : >WaitForWriters: 
2026/01/11 01:18:44 ERROR : error listing: directory not found
--- FAIL: TestFileRemoveAll (1.05s)
=== RUN   TestFileOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:44 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:44 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:45.332846 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:45.332871 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:45 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:45 DEBUG : Looking for writers
2026/01/11 01:18:45 DEBUG : >WaitForWriters: 
2026/01/11 01:18:45 ERROR : error listing: directory not found
--- FAIL: TestFileOpen (0.98s)
=== RUN   TestFileRename
=== RUN   TestFileRename/off,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:45 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:45 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:46.313624 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:46.313655 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:46 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:46 DEBUG : Looking for writers
2026/01/11 01:18:46 DEBUG : >WaitForWriters: 
2026/01/11 01:18:46 ERROR : error listing: directory not found
=== RUN   TestFileRename/minimal,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:46 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:46 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:46 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:46 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:46 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:46 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:46 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:46 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:46 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:46 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:46 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:46 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:47.228491 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:47.228524 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:47 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:47 DEBUG : Looking for writers
2026/01/11 01:18:47 DEBUG : >WaitForWriters: 
2026/01/11 01:18:47 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:47 ERROR : error listing: directory not found
=== RUN   TestFileRename/minimal,forceCache=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:47 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:47 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:47 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:47 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:47 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:47 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:47 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:47 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:47 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:47 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:47 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:47 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:48.246527 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:48.246572 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:48 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:48 DEBUG : Looking for writers
2026/01/11 01:18:48 DEBUG : >WaitForWriters: 
2026/01/11 01:18:48 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:48 ERROR : error listing: directory not found
=== RUN   TestFileRename/writes,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:48 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:48 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:48 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:48 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:48 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:48 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:48 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:48 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:48 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:48 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:48 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:49.067956 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:49.067982 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:49 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:49 DEBUG : Looking for writers
2026/01/11 01:18:49 DEBUG : >WaitForWriters: 
2026/01/11 01:18:49 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:49 ERROR : error listing: directory not found
=== RUN   TestFileRename/writes,forceCache=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:49 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:49 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:49 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:49 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:49 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:49 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:49 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:49 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:49 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:49 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:49 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:49.998201 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:49.998260 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:49 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:49 DEBUG : Looking for writers
2026/01/11 01:18:49 DEBUG : >WaitForWriters: 
2026/01/11 01:18:49 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:50 ERROR : error listing: directory not found
=== RUN   TestFileRename/full,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:50 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:50 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:50 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:50 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:50 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:50 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:50 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:50 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:50 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:50 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:50 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:50.967359 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:50.967387 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:50 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:50 DEBUG : Looking for writers
2026/01/11 01:18:50 DEBUG : >WaitForWriters: 
2026/01/11 01:18:50 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:51 ERROR : error listing: directory not found
--- FAIL: TestFileRename (5.63s)
    --- FAIL: TestFileRename/off,forceCache=false (1.02s)
    --- FAIL: TestFileRename/minimal,forceCache=false (0.88s)
    --- FAIL: TestFileRename/minimal,forceCache=true (1.02s)
    --- FAIL: TestFileRename/writes,forceCache=false (0.83s)
    --- FAIL: TestFileRename/writes,forceCache=true (0.91s)
    --- FAIL: TestFileRename/full,forceCache=false (0.97s)
=== RUN   TestReadFileHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:51 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:51 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:51.886993 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:51.887019 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:51 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:51 DEBUG : Looking for writers
2026/01/11 01:18:51 DEBUG : >WaitForWriters: 
2026/01/11 01:18:52 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleMethods (0.95s)
=== RUN   TestReadFileHandleSeek
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:52 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:52 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:52.748805 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:52.748832 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:52 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:52 DEBUG : Looking for writers
2026/01/11 01:18:52 DEBUG : >WaitForWriters: 
2026/01/11 01:18:52 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleSeek (0.83s)
=== RUN   TestReadFileHandleReadAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:52 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:52 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:53.445051 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:53.445084 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:53 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:53 DEBUG : Looking for writers
2026/01/11 01:18:53 DEBUG : >WaitForWriters: 
2026/01/11 01:18:53 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleReadAt (0.75s)
=== RUN   TestReadFileHandleFlush
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:53 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:53 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:54.436089 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:54.436125 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:54 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:54 DEBUG : Looking for writers
2026/01/11 01:18:54 DEBUG : >WaitForWriters: 
2026/01/11 01:18:54 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleFlush (0.87s)
=== RUN   TestReadFileHandleRelease
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:54 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:54 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:18:55.022516 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:55.022648 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:55 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:55 DEBUG : Looking for writers
2026/01/11 01:18:55 DEBUG : >WaitForWriters: 
2026/01/11 01:18:55 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleRelease (0.60s)
=== RUN   TestRWFileHandleMethodsRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:55 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:55 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:55 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:55 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:55 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:55 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:55 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:55 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:55 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:55 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:55 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:55.778718 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:55.778748 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:55 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:55 DEBUG : Looking for writers
2026/01/11 01:18:55 DEBUG : >WaitForWriters: 
2026/01/11 01:18:55 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:55 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleMethodsRead (0.85s)
=== RUN   TestRWFileHandleSeek
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:55 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:55 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:55 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:55 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:55 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:55 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:55 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:55 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:55 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:55 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:55 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:56.743829 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:56.743873 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:56 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:56 DEBUG : Looking for writers
2026/01/11 01:18:56 DEBUG : >WaitForWriters: 
2026/01/11 01:18:56 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:56 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSeek (0.87s)
=== RUN   TestRWFileHandleReadAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:56 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:56 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:56 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:56 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:56 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:56 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:56 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:56 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:56 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:56 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:56 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:57.629385 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:57.629406 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:57 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:57 DEBUG : Looking for writers
2026/01/11 01:18:57 DEBUG : >WaitForWriters: 
2026/01/11 01:18:57 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:57 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleReadAt (0.98s)
=== RUN   TestRWFileHandleFlushRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:57 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:57 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:57 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:57 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:57 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:57 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:57 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:57 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:57 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:57 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:57 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:58.434566 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:58.434590 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:58 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:58 DEBUG : Looking for writers
2026/01/11 01:18:58 DEBUG : >WaitForWriters: 
2026/01/11 01:18:58 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:58 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleFlushRead (0.70s)
=== RUN   TestRWFileHandleReleaseRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:58 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:58 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:58 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:58 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:58 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:58 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:58 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:58 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:58 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:58 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:58 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:59.174954 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:18:59.174975 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:18:59 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:59 DEBUG : Looking for writers
2026/01/11 01:18:59 DEBUG : >WaitForWriters: 
2026/01/11 01:18:59 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:18:59 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleReleaseRead (0.83s)
=== RUN   TestRWFileHandleMethodsWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:18:59 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:18:59 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:18:59 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:59 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:59 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:59 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:59 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:59 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:59 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:18:59 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:18:59 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:18:59 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:18:59 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:18:59 DEBUG : file1: newRWFileHandle: 
2026/01/11 01:18:59 DEBUG : file1(0xc0009d7e40): openPending: 
2026/01/11 01:18:59 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/01/11 01:18:59 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:18:59 DEBUG : file1(0xc0009d7e40): >openPending: err=<nil>
2026/01/11 01:18:59 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/01/11 01:18:59 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:18:59 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/01/11 01:18:59 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/01/11 01:18:59 DEBUG : file1(0xc0009d7e40): _writeAt: size=5, off=0
2026/01/11 01:18:59 DEBUG : file1(0xc0009d7e40): >_writeAt: n=5, err=<nil>
2026/01/11 01:18:59 DEBUG : file1(0xc0009d7e40): _writeAt: size=7, off=5
2026/01/11 01:18:59 DEBUG : file1(0xc0009d7e40): >_writeAt: n=7, err=<nil>
2026/01/11 01:18:59 DEBUG : file1: vfs cache: truncate to size=11
2026/01/11 01:18:59 DEBUG : file1(0xc0009d7e40): close: 
2026/01/11 01:18:59 DEBUG : file1: vfs cache: setting modification time to 2026-01-11 01:18:59.431220885 +0000 UTC m=+43.683333603
2026/01/11 01:18:59 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/01/11 01:18:59 DEBUG : file1(0xc0009d7e40): >close: err=<nil>
2026/01/11 01:18:59 DEBUG : file1(0xc0009d7e40): close: 
2026/01/11 01:18:59 DEBUG : file1(0xc0009d7e40): >close: err=file already closed
2026/01/11 01:18:59 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:18:59 DEBUG : Looking for writers
2026/01/11 01:18:59 DEBUG : file1: reading active writers
2026/01/11 01:18:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/01/11 01:18:59 DEBUG : Looking for writers
2026/01/11 01:18:59 DEBUG : file1: reading active writers
2026/01/11 01:18:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/01/11 01:18:59 DEBUG : Looking for writers
2026/01/11 01:18:59 DEBUG : file1: reading active writers
2026/01/11 01:18:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/01/11 01:18:59 DEBUG : Looking for writers
2026/01/11 01:18:59 DEBUG : file1: reading active writers
2026/01/11 01:18:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/01/11 01:18:59 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:18:59 DEBUG : Looking for writers
2026/01/11 01:18:59 DEBUG : file1: reading active writers
2026/01/11 01:18:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/01/11 01:18:59 DEBUG : Looking for writers
2026/01/11 01:18:59 DEBUG : file1: reading active writers
2026/01/11 01:18:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/01/11 01:19:00 DEBUG : Looking for writers
2026/01/11 01:19:00 DEBUG : file1: reading active writers
2026/01/11 01:19:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/01/11 01:19:00.526752 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:19:00.526782 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:00 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:00 ERROR : file1: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:00 DEBUG : Looking for writers
2026/01/11 01:19:00 DEBUG : file1: reading active writers
2026/01/11 01:19:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:00 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:19:01.395259 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:19:01.395289 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:01 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:01 ERROR : file1: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:01 DEBUG : Looking for writers
2026/01/11 01:19:01 DEBUG : file1: reading active writers
2026/01/11 01:19:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:01 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:19:02.540391 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:19:02.540472 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:02 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:02 ERROR : file1: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:02 DEBUG : Looking for writers
2026/01/11 01:19:02 DEBUG : file1: reading active writers
2026/01/11 01:19:02 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:03 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:19:03 DEBUG : Looking for writers
2026/01/11 01:19:03 DEBUG : file1: reading active writers
2026/01/11 01:19:03 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:04.292542 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:19:04.292569 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:04 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:04 ERROR : file1: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:04 DEBUG : Looking for writers
2026/01/11 01:19:04 DEBUG : file1: reading active writers
2026/01/11 01:19:04 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:05 DEBUG : Looking for writers
2026/01/11 01:19:05 DEBUG : file1: reading active writers
2026/01/11 01:19:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:05 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:19:06 DEBUG : Looking for writers
2026/01/11 01:19:06 DEBUG : file1: reading active writers
2026/01/11 01:19:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:06.731359 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:19:06.731391 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:06 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:06 ERROR : file1: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:07 DEBUG : Looking for writers
2026/01/11 01:19:07 DEBUG : file1: reading active writers
2026/01/11 01:19:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:08 DEBUG : Looking for writers
2026/01/11 01:19:08 DEBUG : file1: reading active writers
2026/01/11 01:19:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:09 DEBUG : Looking for writers
2026/01/11 01:19:09 DEBUG : file1: reading active writers
2026/01/11 01:19:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:09 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:19:10 DEBUG : Looking for writers
2026/01/11 01:19:10 DEBUG : file1: reading active writers
2026/01/11 01:19:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:10.775207 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:19:10.775229 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:10 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:10 ERROR : file1: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:11 DEBUG : Looking for writers
2026/01/11 01:19:11 DEBUG : file1: reading active writers
2026/01/11 01:19:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:12 DEBUG : Looking for writers
2026/01/11 01:19:12 DEBUG : file1: reading active writers
2026/01/11 01:19:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:13 DEBUG : Looking for writers
2026/01/11 01:19:13 DEBUG : file1: reading active writers
2026/01/11 01:19:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:14 DEBUG : Looking for writers
2026/01/11 01:19:14 DEBUG : file1: reading active writers
2026/01/11 01:19:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:15 DEBUG : Looking for writers
2026/01/11 01:19:15 DEBUG : file1: reading active writers
2026/01/11 01:19:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:16 DEBUG : Looking for writers
2026/01/11 01:19:16 DEBUG : file1: reading active writers
2026/01/11 01:19:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:17 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:19:17 DEBUG : Looking for writers
2026/01/11 01:19:17 DEBUG : file1: reading active writers
2026/01/11 01:19:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:18.113309 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:19:18.113345 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:18 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:18 ERROR : file1: vfs cache: failed to upload try #7, will retry in 12.8s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:18 DEBUG : Looking for writers
2026/01/11 01:19:18 DEBUG : file1: reading active writers
2026/01/11 01:19:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:19 DEBUG : Looking for writers
2026/01/11 01:19:19 DEBUG : file1: reading active writers
2026/01/11 01:19:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:20 DEBUG : Looking for writers
2026/01/11 01:19:20 DEBUG : file1: reading active writers
2026/01/11 01:19:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:21 DEBUG : Looking for writers
2026/01/11 01:19:21 DEBUG : file1: reading active writers
2026/01/11 01:19:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:22 DEBUG : Looking for writers
2026/01/11 01:19:22 DEBUG : file1: reading active writers
2026/01/11 01:19:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:23 DEBUG : Looking for writers
2026/01/11 01:19:23 DEBUG : file1: reading active writers
2026/01/11 01:19:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:24 DEBUG : Looking for writers
2026/01/11 01:19:24 DEBUG : file1: reading active writers
2026/01/11 01:19:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:25 DEBUG : Looking for writers
2026/01/11 01:19:25 DEBUG : file1: reading active writers
2026/01/11 01:19:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:26 DEBUG : Looking for writers
2026/01/11 01:19:26 DEBUG : file1: reading active writers
2026/01/11 01:19:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:27 DEBUG : Looking for writers
2026/01/11 01:19:27 DEBUG : file1: reading active writers
2026/01/11 01:19:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:28 DEBUG : Looking for writers
2026/01/11 01:19:28 DEBUG : file1: reading active writers
2026/01/11 01:19:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:29 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc0008503c0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000813308 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824642188096} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001933687461243029 ext:43683333603 loc:0x42cf0a0} ATime:{wall:14001933687461269008 ext:43683359592 loc:0x42cf0a0} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/01/11 01:19:29 DEBUG : >WaitForWriters: 
2026/01/11 01:19:29 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/01/11 01:19:30 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:19:30 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
2026/01/11 01:19:31.987995 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:19:31.988016 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:31 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)
2026/01/11 01:19:31 ERROR : file1: vfs cache: failed to upload try #8, will retry in 25.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    fstest.go:301: Flushing the directory cache
2026/01/11 01:19:33 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:337
        	Error:      	Should be true
        	Test:       	TestRWFileHandleMethodsWrite
        	Messages:   	listing wrong, want
        	            	  file1 (11) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:337
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestRWFileHandleMethodsWrite
        	Messages:   	1 objects not found
2026/01/11 01:19:37 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:19:37 DEBUG : Looking for writers
2026/01/11 01:19:37 DEBUG : file1: reading active writers
2026/01/11 01:19:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/01/11 01:19:37 DEBUG : Looking for writers
2026/01/11 01:19:37 DEBUG : file1: reading active writers
2026/01/11 01:19:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/01/11 01:19:37 DEBUG : Looking for writers
2026/01/11 01:19:37 DEBUG : file1: reading active writers
2026/01/11 01:19:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/01/11 01:19:37 DEBUG : Looking for writers
2026/01/11 01:19:37 DEBUG : file1: reading active writers
2026/01/11 01:19:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/01/11 01:19:37 DEBUG : Looking for writers
2026/01/11 01:19:37 DEBUG : file1: reading active writers
2026/01/11 01:19:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/01/11 01:19:37 DEBUG : Looking for writers
2026/01/11 01:19:37 DEBUG : file1: reading active writers
2026/01/11 01:19:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/01/11 01:19:38 DEBUG : Looking for writers
2026/01/11 01:19:38 DEBUG : file1: reading active writers
2026/01/11 01:19:38 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/01/11 01:19:38 DEBUG : Looking for writers
2026/01/11 01:19:38 DEBUG : file1: reading active writers
2026/01/11 01:19:38 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:39 DEBUG : Looking for writers
2026/01/11 01:19:39 DEBUG : file1: reading active writers
2026/01/11 01:19:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:40 DEBUG : Looking for writers
2026/01/11 01:19:40 DEBUG : file1: reading active writers
2026/01/11 01:19:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:41 DEBUG : Looking for writers
2026/01/11 01:19:41 DEBUG : file1: reading active writers
2026/01/11 01:19:41 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:42 DEBUG : Looking for writers
2026/01/11 01:19:42 DEBUG : file1: reading active writers
2026/01/11 01:19:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:43 DEBUG : Looking for writers
2026/01/11 01:19:43 DEBUG : file1: reading active writers
2026/01/11 01:19:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:44 DEBUG : Looking for writers
2026/01/11 01:19:44 DEBUG : file1: reading active writers
2026/01/11 01:19:44 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:45 DEBUG : Looking for writers
2026/01/11 01:19:45 DEBUG : file1: reading active writers
2026/01/11 01:19:45 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:46 DEBUG : Looking for writers
2026/01/11 01:19:46 DEBUG : file1: reading active writers
2026/01/11 01:19:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:47 DEBUG : Looking for writers
2026/01/11 01:19:47 DEBUG : file1: reading active writers
2026/01/11 01:19:47 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:48 DEBUG : Looking for writers
2026/01/11 01:19:48 DEBUG : file1: reading active writers
2026/01/11 01:19:48 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:49 DEBUG : Looking for writers
2026/01/11 01:19:49 DEBUG : file1: reading active writers
2026/01/11 01:19:49 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:50 DEBUG : Looking for writers
2026/01/11 01:19:50 DEBUG : file1: reading active writers
2026/01/11 01:19:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:51 DEBUG : Looking for writers
2026/01/11 01:19:51 DEBUG : file1: reading active writers
2026/01/11 01:19:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:52 DEBUG : Looking for writers
2026/01/11 01:19:52 DEBUG : file1: reading active writers
2026/01/11 01:19:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:53 DEBUG : Looking for writers
2026/01/11 01:19:53 DEBUG : file1: reading active writers
2026/01/11 01:19:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:54 DEBUG : Looking for writers
2026/01/11 01:19:54 DEBUG : file1: reading active writers
2026/01/11 01:19:54 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:55 DEBUG : Looking for writers
2026/01/11 01:19:55 DEBUG : file1: reading active writers
2026/01/11 01:19:55 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:56 DEBUG : Looking for writers
2026/01/11 01:19:56 DEBUG : file1: reading active writers
2026/01/11 01:19:56 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:57 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:19:57 DEBUG : Looking for writers
2026/01/11 01:19:57 DEBUG : file1: reading active writers
2026/01/11 01:19:57 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:58.661191 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:19:58.661217 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:58 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:58 ERROR : file1: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:19:58 DEBUG : Looking for writers
2026/01/11 01:19:58 DEBUG : file1: reading active writers
2026/01/11 01:19:58 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:19:59 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/01/11 01:19:59 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 1 (was 1) in use 1, to upload 1, uploading 0, total size 11 (was 11)
2026/01/11 01:19:59 DEBUG : Looking for writers
2026/01/11 01:19:59 DEBUG : file1: reading active writers
2026/01/11 01:19:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:00 DEBUG : Looking for writers
2026/01/11 01:20:00 DEBUG : file1: reading active writers
2026/01/11 01:20:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:01 DEBUG : Looking for writers
2026/01/11 01:20:01 DEBUG : file1: reading active writers
2026/01/11 01:20:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:02 DEBUG : Looking for writers
2026/01/11 01:20:02 DEBUG : file1: reading active writers
2026/01/11 01:20:02 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:03 DEBUG : Looking for writers
2026/01/11 01:20:03 DEBUG : file1: reading active writers
2026/01/11 01:20:03 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:04 DEBUG : Looking for writers
2026/01/11 01:20:04 DEBUG : file1: reading active writers
2026/01/11 01:20:04 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:05 DEBUG : Looking for writers
2026/01/11 01:20:05 DEBUG : file1: reading active writers
2026/01/11 01:20:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:06 DEBUG : Looking for writers
2026/01/11 01:20:06 DEBUG : file1: reading active writers
2026/01/11 01:20:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:07 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc0008503c0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000813308 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824642188096} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001933687461243029 ext:43683333603 loc:0x42cf0a0} ATime:{wall:14001933687461269008 ext:43683359592 loc:0x42cf0a0} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/01/11 01:20:07 DEBUG : >WaitForWriters: 
2026/01/11 01:20:07 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:20:07 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleMethodsWrite (68.21s)
=== RUN   TestRWFileHandleWriteAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:20:07 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:20:07 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:20:07 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:20:07 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:20:07 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:20:07 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:20:07 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:20:07 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:20:07 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:20:07 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:20:07 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:20:07 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:20:07 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:20:07 DEBUG : file1: newRWFileHandle: 
2026/01/11 01:20:07 DEBUG : file1(0xc00012e540): openPending: 
2026/01/11 01:20:07 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/01/11 01:20:07 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:20:07 DEBUG : file1(0xc00012e540): >openPending: err=<nil>
2026/01/11 01:20:07 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/01/11 01:20:07 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:20:07 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/01/11 01:20:07 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/01/11 01:20:07 DEBUG : file1(0xc00012e540): _writeAt: size=7, off=0
2026/01/11 01:20:07 DEBUG : file1(0xc00012e540): >_writeAt: n=7, err=<nil>
2026/01/11 01:20:07 DEBUG : file1(0xc00012e540): _writeAt: size=6, off=5
2026/01/11 01:20:07 DEBUG : file1(0xc00012e540): >_writeAt: n=6, err=<nil>
2026/01/11 01:20:07 DEBUG : file1(0xc00012e540): close: 
2026/01/11 01:20:07 DEBUG : file1: vfs cache: setting modification time to 2026-01-11 01:20:07.638474702 +0000 UTC m=+111.890587400
2026/01/11 01:20:07 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/01/11 01:20:07 DEBUG : file1(0xc00012e540): >close: err=<nil>
2026/01/11 01:20:07 DEBUG : file1(0xc00012e540): _writeAt: size=5, off=0
2026/01/11 01:20:07 DEBUG : file1(0xc00012e540): >_writeAt: n=0, err=file already closed
2026/01/11 01:20:07 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:20:07 DEBUG : Looking for writers
2026/01/11 01:20:07 DEBUG : file1: reading active writers
2026/01/11 01:20:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/01/11 01:20:07 DEBUG : Looking for writers
2026/01/11 01:20:07 DEBUG : file1: reading active writers
2026/01/11 01:20:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/01/11 01:20:07 DEBUG : Looking for writers
2026/01/11 01:20:07 DEBUG : file1: reading active writers
2026/01/11 01:20:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/01/11 01:20:07 DEBUG : Looking for writers
2026/01/11 01:20:07 DEBUG : file1: reading active writers
2026/01/11 01:20:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/01/11 01:20:07 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:20:07 DEBUG : Looking for writers
2026/01/11 01:20:07 DEBUG : file1: reading active writers
2026/01/11 01:20:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/01/11 01:20:07 DEBUG : Looking for writers
2026/01/11 01:20:07 DEBUG : file1: reading active writers
2026/01/11 01:20:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/01/11 01:20:08 DEBUG : Looking for writers
2026/01/11 01:20:08 DEBUG : file1: reading active writers
2026/01/11 01:20:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/01/11 01:20:08.649780 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:20:08.649802 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:08 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:08 ERROR : file1: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:08 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:20:08 DEBUG : Looking for writers
2026/01/11 01:20:08 DEBUG : file1: reading active writers
2026/01/11 01:20:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:09.591864 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:20:09.591887 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:09 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:09 ERROR : file1: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:09 DEBUG : Looking for writers
2026/01/11 01:20:09 DEBUG : file1: reading active writers
2026/01/11 01:20:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:09 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:20:10 DEBUG : Looking for writers
2026/01/11 01:20:10 DEBUG : file1: reading active writers
2026/01/11 01:20:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:10.979160 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:20:10.979180 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:10 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:10 ERROR : file1: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:11 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:20:11 DEBUG : Looking for writers
2026/01/11 01:20:11 DEBUG : file1: reading active writers
2026/01/11 01:20:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:12.511766 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:20:12.511791 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:12 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:12 ERROR : file1: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:12 DEBUG : Looking for writers
2026/01/11 01:20:12 DEBUG : file1: reading active writers
2026/01/11 01:20:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:13 DEBUG : Looking for writers
2026/01/11 01:20:13 DEBUG : file1: reading active writers
2026/01/11 01:20:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:14 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:20:14.844238 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:20:14.844274 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:14 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:14 ERROR : file1: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:14 DEBUG : Looking for writers
2026/01/11 01:20:14 DEBUG : file1: reading active writers
2026/01/11 01:20:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:15 DEBUG : Looking for writers
2026/01/11 01:20:15 DEBUG : file1: reading active writers
2026/01/11 01:20:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:16 DEBUG : Looking for writers
2026/01/11 01:20:16 DEBUG : file1: reading active writers
2026/01/11 01:20:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:17 DEBUG : Looking for writers
2026/01/11 01:20:17 DEBUG : file1: reading active writers
2026/01/11 01:20:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:18 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:20:18.744164 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:20:18.744184 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:18 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:18 ERROR : file1: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:18 DEBUG : Looking for writers
2026/01/11 01:20:18 DEBUG : file1: reading active writers
2026/01/11 01:20:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:19 DEBUG : Looking for writers
2026/01/11 01:20:19 DEBUG : file1: reading active writers
2026/01/11 01:20:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:20 DEBUG : Looking for writers
2026/01/11 01:20:20 DEBUG : file1: reading active writers
2026/01/11 01:20:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:21 DEBUG : Looking for writers
2026/01/11 01:20:21 DEBUG : file1: reading active writers
2026/01/11 01:20:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:22 DEBUG : Looking for writers
2026/01/11 01:20:22 DEBUG : file1: reading active writers
2026/01/11 01:20:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:23 DEBUG : Looking for writers
2026/01/11 01:20:23 DEBUG : file1: reading active writers
2026/01/11 01:20:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:24 DEBUG : Looking for writers
2026/01/11 01:20:24 DEBUG : file1: reading active writers
2026/01/11 01:20:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:25 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:20:25.804346 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:20:25.804370 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:25 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:25 ERROR : file1: vfs cache: failed to upload try #7, will retry in 12.8s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:25 DEBUG : Looking for writers
2026/01/11 01:20:25 DEBUG : file1: reading active writers
2026/01/11 01:20:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:26 DEBUG : Looking for writers
2026/01/11 01:20:26 DEBUG : file1: reading active writers
2026/01/11 01:20:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:27 DEBUG : Looking for writers
2026/01/11 01:20:27 DEBUG : file1: reading active writers
2026/01/11 01:20:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:28 DEBUG : Looking for writers
2026/01/11 01:20:28 DEBUG : file1: reading active writers
2026/01/11 01:20:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:29 DEBUG : Looking for writers
2026/01/11 01:20:29 DEBUG : file1: reading active writers
2026/01/11 01:20:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:30 DEBUG : Looking for writers
2026/01/11 01:20:30 DEBUG : file1: reading active writers
2026/01/11 01:20:30 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:31 DEBUG : Looking for writers
2026/01/11 01:20:31 DEBUG : file1: reading active writers
2026/01/11 01:20:31 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:32 DEBUG : Looking for writers
2026/01/11 01:20:32 DEBUG : file1: reading active writers
2026/01/11 01:20:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:33 DEBUG : Looking for writers
2026/01/11 01:20:33 DEBUG : file1: reading active writers
2026/01/11 01:20:33 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:34 DEBUG : Looking for writers
2026/01/11 01:20:34 DEBUG : file1: reading active writers
2026/01/11 01:20:34 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:35 DEBUG : Looking for writers
2026/01/11 01:20:35 DEBUG : file1: reading active writers
2026/01/11 01:20:35 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:36 DEBUG : Looking for writers
2026/01/11 01:20:36 DEBUG : file1: reading active writers
2026/01/11 01:20:36 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:37 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc00085a3c0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc0001f2f08 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824635764544} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001933760682940878 ext:111890587400 loc:0x42cf0a0} ATime:{wall:14001933760682999188 ext:111890645700 loc:0x42cf0a0} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/01/11 01:20:37 DEBUG : >WaitForWriters: 
2026/01/11 01:20:37 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
2026/01/11 01:20:38 DEBUG : file1: vfs cache: starting upload
    fstest.go:301: Flushing the directory cache
2026/01/11 01:20:39.290953 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:20:39.291001 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:39 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:39 ERROR : file1: vfs cache: failed to upload try #8, will retry in 25.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:20:39 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/01/11 01:20:42 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:387
        	Error:      	Should be true
        	Test:       	TestRWFileHandleWriteAt
        	Messages:   	listing wrong, want
        	            	  file1 (11) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:387
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestRWFileHandleWriteAt
        	Messages:   	1 objects not found
2026/01/11 01:20:46 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:20:46 DEBUG : Looking for writers
2026/01/11 01:20:46 DEBUG : file1: reading active writers
2026/01/11 01:20:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/01/11 01:20:46 DEBUG : Looking for writers
2026/01/11 01:20:46 DEBUG : file1: reading active writers
2026/01/11 01:20:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/01/11 01:20:46 DEBUG : Looking for writers
2026/01/11 01:20:46 DEBUG : file1: reading active writers
2026/01/11 01:20:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/01/11 01:20:46 DEBUG : Looking for writers
2026/01/11 01:20:46 DEBUG : file1: reading active writers
2026/01/11 01:20:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/01/11 01:20:46 DEBUG : Looking for writers
2026/01/11 01:20:46 DEBUG : file1: reading active writers
2026/01/11 01:20:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/01/11 01:20:46 DEBUG : Looking for writers
2026/01/11 01:20:46 DEBUG : file1: reading active writers
2026/01/11 01:20:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/01/11 01:20:46 DEBUG : Looking for writers
2026/01/11 01:20:46 DEBUG : file1: reading active writers
2026/01/11 01:20:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/01/11 01:20:47 DEBUG : Looking for writers
2026/01/11 01:20:47 DEBUG : file1: reading active writers
2026/01/11 01:20:47 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:48 DEBUG : Looking for writers
2026/01/11 01:20:48 DEBUG : file1: reading active writers
2026/01/11 01:20:48 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:49 DEBUG : Looking for writers
2026/01/11 01:20:49 DEBUG : file1: reading active writers
2026/01/11 01:20:49 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:50 DEBUG : Looking for writers
2026/01/11 01:20:50 DEBUG : file1: reading active writers
2026/01/11 01:20:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:51 DEBUG : Looking for writers
2026/01/11 01:20:51 DEBUG : file1: reading active writers
2026/01/11 01:20:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:52 DEBUG : Looking for writers
2026/01/11 01:20:52 DEBUG : file1: reading active writers
2026/01/11 01:20:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:53 DEBUG : Looking for writers
2026/01/11 01:20:53 DEBUG : file1: reading active writers
2026/01/11 01:20:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:54 DEBUG : Looking for writers
2026/01/11 01:20:54 DEBUG : file1: reading active writers
2026/01/11 01:20:54 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:55 DEBUG : Looking for writers
2026/01/11 01:20:55 DEBUG : file1: reading active writers
2026/01/11 01:20:55 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:56 DEBUG : Looking for writers
2026/01/11 01:20:56 DEBUG : file1: reading active writers
2026/01/11 01:20:56 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:57 DEBUG : Looking for writers
2026/01/11 01:20:57 DEBUG : file1: reading active writers
2026/01/11 01:20:57 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:58 DEBUG : Looking for writers
2026/01/11 01:20:58 DEBUG : file1: reading active writers
2026/01/11 01:20:58 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:20:59 DEBUG : Looking for writers
2026/01/11 01:20:59 DEBUG : file1: reading active writers
2026/01/11 01:20:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:00 DEBUG : Looking for writers
2026/01/11 01:21:00 DEBUG : file1: reading active writers
2026/01/11 01:21:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:01 DEBUG : Looking for writers
2026/01/11 01:21:01 DEBUG : file1: reading active writers
2026/01/11 01:21:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:02 DEBUG : Looking for writers
2026/01/11 01:21:02 DEBUG : file1: reading active writers
2026/01/11 01:21:02 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:03 DEBUG : Looking for writers
2026/01/11 01:21:03 DEBUG : file1: reading active writers
2026/01/11 01:21:03 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:04 DEBUG : Looking for writers
2026/01/11 01:21:04 DEBUG : file1: reading active writers
2026/01/11 01:21:04 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:04 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:21:05 DEBUG : Looking for writers
2026/01/11 01:21:05 DEBUG : file1: reading active writers
2026/01/11 01:21:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:05.905971 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:05.906000 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:05 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:05 ERROR : file1: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:06 DEBUG : Looking for writers
2026/01/11 01:21:06 DEBUG : file1: reading active writers
2026/01/11 01:21:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:07 DEBUG : Looking for writers
2026/01/11 01:21:07 DEBUG : file1: reading active writers
2026/01/11 01:21:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:07 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/01/11 01:21:07 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 1 (was 1) in use 1, to upload 1, uploading 0, total size 11 (was 11)
2026/01/11 01:21:08 DEBUG : Looking for writers
2026/01/11 01:21:08 DEBUG : file1: reading active writers
2026/01/11 01:21:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:09 DEBUG : Looking for writers
2026/01/11 01:21:09 DEBUG : file1: reading active writers
2026/01/11 01:21:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:10 DEBUG : Looking for writers
2026/01/11 01:21:10 DEBUG : file1: reading active writers
2026/01/11 01:21:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:11 DEBUG : Looking for writers
2026/01/11 01:21:11 DEBUG : file1: reading active writers
2026/01/11 01:21:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:12 DEBUG : Looking for writers
2026/01/11 01:21:12 DEBUG : file1: reading active writers
2026/01/11 01:21:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:13 DEBUG : Looking for writers
2026/01/11 01:21:13 DEBUG : file1: reading active writers
2026/01/11 01:21:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:14 DEBUG : Looking for writers
2026/01/11 01:21:14 DEBUG : file1: reading active writers
2026/01/11 01:21:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:15 DEBUG : Looking for writers
2026/01/11 01:21:15 DEBUG : file1: reading active writers
2026/01/11 01:21:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:21:16 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc00085a3c0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc0001f2f08 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824635764544} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001933760682940878 ext:111890587400 loc:0x42cf0a0} ATime:{wall:14001933760682999188 ext:111890645700 loc:0x42cf0a0} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/01/11 01:21:16 DEBUG : >WaitForWriters: 
2026/01/11 01:21:16 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:21:16 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleWriteAt (68.83s)
=== RUN   TestRWFileHandleWriteNoWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:21:16 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:21:16 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:21:16 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:21:16 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:21:16 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:21:16 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:21:16 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:21:16 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:21:16 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:21:16 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:21:16 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:21:16 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:21:16 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:21:16 DEBUG : file1: newRWFileHandle: 
2026/01/11 01:21:16 DEBUG : file1(0xc000a7c2c0): openPending: 
2026/01/11 01:21:16 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/01/11 01:21:16 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:21:16 DEBUG : file1(0xc000a7c2c0): >openPending: err=<nil>
2026/01/11 01:21:16 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/01/11 01:21:16 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:21:16 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/01/11 01:21:16 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/01/11 01:21:16 DEBUG : file1(0xc000a7c2c0): close: 
2026/01/11 01:21:16 DEBUG : file1: vfs cache: setting modification time to 2026-01-11 01:21:16.545287599 +0000 UTC m=+180.797400317
2026/01/11 01:21:16 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/01/11 01:21:16 DEBUG : file1(0xc000a7c2c0): >close: err=<nil>
2026/01/11 01:21:16 DEBUG : file2: OpenFile: flags=O_WRONLY|O_CREATE|O_TRUNC, perm=-rwxrwxrwx
2026/01/11 01:21:16 DEBUG : file2: Open: flags=O_WRONLY|O_CREATE|O_TRUNC
2026/01/11 01:21:16 DEBUG : file2: newRWFileHandle: 
2026/01/11 01:21:16 DEBUG : file2(0xc000a7c780): openPending: 
2026/01/11 01:21:16 DEBUG : file2: vfs cache: truncate to size=0 (not needed as size correct)
2026/01/11 01:21:16 DEBUG : Added virtual directory entry vAddFile: "file2"
2026/01/11 01:21:16 DEBUG : file2(0xc000a7c780): >openPending: err=<nil>
2026/01/11 01:21:16 DEBUG : file2: >newRWFileHandle: err=<nil>
2026/01/11 01:21:16 DEBUG : Added virtual directory entry vAddFile: "file2"
2026/01/11 01:21:16 DEBUG : file2: >Open: fd=file2 (rw), err=<nil>
2026/01/11 01:21:16 DEBUG : file2: >OpenFile: fd=file2 (rw), err=<nil>
2026/01/11 01:21:16 DEBUG : file2(0xc000a7c780): RWFileHandle.Flush
2026/01/11 01:21:16 DEBUG : file2(0xc000a7c780): RWFileHandle.Release
2026/01/11 01:21:16 DEBUG : file2(0xc000a7c780): close: 
2026/01/11 01:21:16 DEBUG : file2: vfs cache: setting modification time to 2026-01-11 01:21:16.548121219 +0000 UTC m=+180.800233907
2026/01/11 01:21:16 INFO  : file2: vfs cache: queuing for upload in 100ms
2026/01/11 01:21:16 DEBUG : file2(0xc000a7c780): >close: err=<nil>
2026/01/11 01:21:16 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:21:16 DEBUG : Looking for writers
2026/01/11 01:21:16 DEBUG : file2: reading active writers
2026/01/11 01:21:16 DEBUG : file1: reading active writers
2026/01/11 01:21:16 DEBUG : Still 0 writers active and 2 cache items in use, waiting 10ms
2026/01/11 01:21:16 DEBUG : Looking for writers
2026/01/11 01:21:16 DEBUG : file1: reading active writers
2026/01/11 01:21:16 DEBUG : file2: reading active writers
2026/01/11 01:21:16 DEBUG : Still 0 writers active and 2 cache items in use, waiting 20ms
2026/01/11 01:21:16 DEBUG : Looking for writers
2026/01/11 01:21:16 DEBUG : file1: reading active writers
2026/01/11 01:21:16 DEBUG : file2: reading active writers
2026/01/11 01:21:16 DEBUG : Still 0 writers active and 2 cache items in use, waiting 40ms
2026/01/11 01:21:16 DEBUG : Looking for writers
2026/01/11 01:21:16 DEBUG : file1: reading active writers
2026/01/11 01:21:16 DEBUG : file2: reading active writers
2026/01/11 01:21:16 DEBUG : Still 0 writers active and 2 cache items in use, waiting 80ms
2026/01/11 01:21:16 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:21:16 DEBUG : file2: vfs cache: starting upload
2026/01/11 01:21:16 DEBUG : Looking for writers
2026/01/11 01:21:16 DEBUG : file2: reading active writers
2026/01/11 01:21:16 DEBUG : file1: reading active writers
2026/01/11 01:21:16 DEBUG : Still 0 writers active and 2 cache items in use, waiting 160ms
2026/01/11 01:21:16 DEBUG : Looking for writers
2026/01/11 01:21:16 DEBUG : file1: reading active writers
2026/01/11 01:21:16 DEBUG : file2: reading active writers
2026/01/11 01:21:16 DEBUG : Still 0 writers active and 2 cache items in use, waiting 320ms
2026/01/11 01:21:17 DEBUG : Looking for writers
2026/01/11 01:21:17 DEBUG : file1: reading active writers
2026/01/11 01:21:17 DEBUG : file2: reading active writers
2026/01/11 01:21:17 DEBUG : Still 0 writers active and 2 cache items in use, waiting 640ms
2026/01/11 01:21:17.618953 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:17.619005 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:17 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)
2026/01/11 01:21:17 ERROR : file1: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:17 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:21:17 DEBUG : Looking for writers
2026/01/11 01:21:17 DEBUG : file1: reading active writers
2026/01/11 01:21:17 DEBUG : file2: reading active writers
2026/01/11 01:21:17 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:18.560621 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:18.560656 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:18 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:18 ERROR : file2: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:18 DEBUG : file2: vfs cache: starting upload
2026/01/11 01:21:18 DEBUG : Looking for writers
2026/01/11 01:21:18 DEBUG : file1: reading active writers
2026/01/11 01:21:18 DEBUG : file2: reading active writers
2026/01/11 01:21:18 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:19.559724 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:19.559758 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:19 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)
2026/01/11 01:21:19 ERROR : file1: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:19 DEBUG : Looking for writers
2026/01/11 01:21:19 DEBUG : file1: reading active writers
2026/01/11 01:21:19 DEBUG : file2: reading active writers
2026/01/11 01:21:19 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:19 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:21:20.525286 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:20.525320 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:20 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:20 ERROR : file2: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:20 DEBUG : Looking for writers
2026/01/11 01:21:20 DEBUG : file1: reading active writers
2026/01/11 01:21:20 DEBUG : file2: reading active writers
2026/01/11 01:21:20 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:20 DEBUG : file2: vfs cache: starting upload
2026/01/11 01:21:21.418057 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:21.418087 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:21 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:21 ERROR : file1: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:21 DEBUG : Looking for writers
2026/01/11 01:21:21 DEBUG : file1: reading active writers
2026/01/11 01:21:21 DEBUG : file2: reading active writers
2026/01/11 01:21:21 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:22.170762 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:22.170794 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:22 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:22 ERROR : file2: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:22 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:21:22 DEBUG : Looking for writers
2026/01/11 01:21:22 DEBUG : file1: reading active writers
2026/01/11 01:21:22 DEBUG : file2: reading active writers
2026/01/11 01:21:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:22 DEBUG : file2: vfs cache: starting upload
2026/01/11 01:21:23.136408 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:23.136458 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:23 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)
2026/01/11 01:21:23 ERROR : file1: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:23 DEBUG : Looking for writers
2026/01/11 01:21:23 DEBUG : file1: reading active writers
2026/01/11 01:21:23 DEBUG : file2: reading active writers
2026/01/11 01:21:23 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:24.005642 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:24.005678 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:24 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)
2026/01/11 01:21:24 ERROR : file2: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:24 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:21:24 DEBUG : Looking for writers
2026/01/11 01:21:24 DEBUG : file2: reading active writers
2026/01/11 01:21:24 DEBUG : file1: reading active writers
2026/01/11 01:21:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:25 DEBUG : file2: vfs cache: starting upload
2026/01/11 01:21:25.768359 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:25.768378 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:25 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:25 ERROR : file1: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:25 DEBUG : Looking for writers
2026/01/11 01:21:25 DEBUG : file1: reading active writers
2026/01/11 01:21:25 DEBUG : file2: reading active writers
2026/01/11 01:21:25 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:26.786036 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:26.786080 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:26 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:26 ERROR : file2: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:26 DEBUG : Looking for writers
2026/01/11 01:21:26 DEBUG : file1: reading active writers
2026/01/11 01:21:26 DEBUG : file2: reading active writers
2026/01/11 01:21:26 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:27 DEBUG : Looking for writers
2026/01/11 01:21:27 DEBUG : file1: reading active writers
2026/01/11 01:21:27 DEBUG : file2: reading active writers
2026/01/11 01:21:27 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:28 DEBUG : Looking for writers
2026/01/11 01:21:28 DEBUG : file1: reading active writers
2026/01/11 01:21:28 DEBUG : file2: reading active writers
2026/01/11 01:21:28 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:28 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:21:29 DEBUG : Looking for writers
2026/01/11 01:21:29 DEBUG : file1: reading active writers
2026/01/11 01:21:29 DEBUG : file2: reading active writers
2026/01/11 01:21:29 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:29.838290 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:29.838337 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:29 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:29 ERROR : file1: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:29 DEBUG : file2: vfs cache: starting upload
2026/01/11 01:21:30 DEBUG : Looking for writers
2026/01/11 01:21:30 DEBUG : file2: reading active writers
2026/01/11 01:21:30 DEBUG : file1: reading active writers
2026/01/11 01:21:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:30.835368 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:30.835396 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:30 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)
2026/01/11 01:21:30 ERROR : file2: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:31 DEBUG : Looking for writers
2026/01/11 01:21:31 DEBUG : file1: reading active writers
2026/01/11 01:21:31 DEBUG : file2: reading active writers
2026/01/11 01:21:31 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:32 DEBUG : Looking for writers
2026/01/11 01:21:32 DEBUG : file1: reading active writers
2026/01/11 01:21:32 DEBUG : file2: reading active writers
2026/01/11 01:21:32 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:33 DEBUG : Looking for writers
2026/01/11 01:21:33 DEBUG : file2: reading active writers
2026/01/11 01:21:33 DEBUG : file1: reading active writers
2026/01/11 01:21:33 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:34 DEBUG : Looking for writers
2026/01/11 01:21:34 DEBUG : file1: reading active writers
2026/01/11 01:21:34 DEBUG : file2: reading active writers
2026/01/11 01:21:34 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:35 DEBUG : Looking for writers
2026/01/11 01:21:35 DEBUG : file1: reading active writers
2026/01/11 01:21:35 DEBUG : file2: reading active writers
2026/01/11 01:21:35 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:36 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:21:36 DEBUG : Looking for writers
2026/01/11 01:21:36 DEBUG : file1: reading active writers
2026/01/11 01:21:36 DEBUG : file2: reading active writers
2026/01/11 01:21:36 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:37 DEBUG : file2: vfs cache: starting upload
2026/01/11 01:21:37.253810 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:37.253831 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:37 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)
2026/01/11 01:21:37 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)
2026/01/11 01:21:37 DEBUG : Looking for writers
2026/01/11 01:21:37 DEBUG : file1: reading active writers
2026/01/11 01:21:37 DEBUG : file2: reading active writers
2026/01/11 01:21:37 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:38.214798 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:38.214817 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:38 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)
2026/01/11 01:21:38 ERROR : file2: vfs cache: failed to upload try #7, will retry in 12.8s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:38 DEBUG : Looking for writers
2026/01/11 01:21:38 DEBUG : file1: reading active writers
2026/01/11 01:21:38 DEBUG : file2: reading active writers
2026/01/11 01:21:38 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:39 DEBUG : Looking for writers
2026/01/11 01:21:39 DEBUG : file1: reading active writers
2026/01/11 01:21:39 DEBUG : file2: reading active writers
2026/01/11 01:21:39 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:40 DEBUG : Looking for writers
2026/01/11 01:21:40 DEBUG : file2: reading active writers
2026/01/11 01:21:40 DEBUG : file1: reading active writers
2026/01/11 01:21:40 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:41 DEBUG : Looking for writers
2026/01/11 01:21:41 DEBUG : file1: reading active writers
2026/01/11 01:21:41 DEBUG : file2: reading active writers
2026/01/11 01:21:41 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:42 DEBUG : Looking for writers
2026/01/11 01:21:42 DEBUG : file1: reading active writers
2026/01/11 01:21:42 DEBUG : file2: reading active writers
2026/01/11 01:21:42 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:43 DEBUG : Looking for writers
2026/01/11 01:21:43 DEBUG : file1: reading active writers
2026/01/11 01:21:43 DEBUG : file2: reading active writers
2026/01/11 01:21:43 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:44 DEBUG : Looking for writers
2026/01/11 01:21:44 DEBUG : file1: reading active writers
2026/01/11 01:21:44 DEBUG : file2: reading active writers
2026/01/11 01:21:44 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:45 DEBUG : Looking for writers
2026/01/11 01:21:45 DEBUG : file1: reading active writers
2026/01/11 01:21:45 DEBUG : file2: reading active writers
2026/01/11 01:21:45 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:46 ERROR : Exiting even though 0 writers active and 2 cache items in use after 30s
Cache{
	"file1": &{c:0xc000913680 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000c3c008 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824646549568} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001933834677939631 ext:180797400317 loc:0x42cf0a0} ATime:{wall:14001933834678228876 ext:180797689532 loc:0x42cf0a0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
	"file2": &{c:0xc000913680 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000c3c108 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824646549824} name:file2 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001933834680773251 ext:180800233907 loc:0x42cf0a0} ATime:{wall:14001933834680925908 ext:180800386574 loc:0x42cf0a0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:2 pendingAccesses:0 modified:false beingReset:false},
}
2026/01/11 01:21:46 DEBUG : >WaitForWriters: 
2026/01/11 01:21:46 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/01/11 01:21:48 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
2026/01/11 01:21:50 DEBUG : file1: vfs cache: starting upload
    fstest.go:301: Flushing the directory cache
2026/01/11 01:21:50.989251 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:50.989276 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:50 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)
2026/01/11 01:21:50 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)
2026/01/11 01:21:51 DEBUG : file2: vfs cache: starting upload
2026/01/11 01:21:51 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
2026/01/11 01:21:52.290921 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:21:52.290954 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:52 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:21:52 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)
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:420
        	Error:      	Should be true
        	Test:       	TestRWFileHandleWriteNoWrite
        	Messages:   	listing wrong, want
        	            	  file1 (0), file2 (0) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:203: Not found "file2"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go:420
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 2
        	Test:       	TestRWFileHandleWriteNoWrite
        	Messages:   	2 objects not found
2026/01/11 01:21:55 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:21:55 DEBUG : Looking for writers
2026/01/11 01:21:55 DEBUG : file1: reading active writers
2026/01/11 01:21:55 DEBUG : file2: reading active writers
2026/01/11 01:21:55 DEBUG : Still 0 writers active and 2 cache items in use, waiting 10ms
2026/01/11 01:21:55 DEBUG : Looking for writers
2026/01/11 01:21:55 DEBUG : file1: reading active writers
2026/01/11 01:21:55 DEBUG : file2: reading active writers
2026/01/11 01:21:55 DEBUG : Still 0 writers active and 2 cache items in use, waiting 20ms
2026/01/11 01:21:55 DEBUG : Looking for writers
2026/01/11 01:21:55 DEBUG : file2: reading active writers
2026/01/11 01:21:55 DEBUG : file1: reading active writers
2026/01/11 01:21:55 DEBUG : Still 0 writers active and 2 cache items in use, waiting 40ms
2026/01/11 01:21:55 DEBUG : Looking for writers
2026/01/11 01:21:55 DEBUG : file1: reading active writers
2026/01/11 01:21:55 DEBUG : file2: reading active writers
2026/01/11 01:21:55 DEBUG : Still 0 writers active and 2 cache items in use, waiting 80ms
2026/01/11 01:21:55 DEBUG : Looking for writers
2026/01/11 01:21:55 DEBUG : file1: reading active writers
2026/01/11 01:21:55 DEBUG : file2: reading active writers
2026/01/11 01:21:55 DEBUG : Still 0 writers active and 2 cache items in use, waiting 160ms
2026/01/11 01:21:55 DEBUG : Looking for writers
2026/01/11 01:21:55 DEBUG : file1: reading active writers
2026/01/11 01:21:55 DEBUG : file2: reading active writers
2026/01/11 01:21:55 DEBUG : Still 0 writers active and 2 cache items in use, waiting 320ms
2026/01/11 01:21:56 DEBUG : Looking for writers
2026/01/11 01:21:56 DEBUG : file1: reading active writers
2026/01/11 01:21:56 DEBUG : file2: reading active writers
2026/01/11 01:21:56 DEBUG : Still 0 writers active and 2 cache items in use, waiting 640ms
2026/01/11 01:21:56 DEBUG : Looking for writers
2026/01/11 01:21:56 DEBUG : file1: reading active writers
2026/01/11 01:21:56 DEBUG : file2: reading active writers
2026/01/11 01:21:56 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:57 DEBUG : Looking for writers
2026/01/11 01:21:57 DEBUG : file1: reading active writers
2026/01/11 01:21:57 DEBUG : file2: reading active writers
2026/01/11 01:21:57 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:58 DEBUG : Looking for writers
2026/01/11 01:21:58 DEBUG : file2: reading active writers
2026/01/11 01:21:58 DEBUG : file1: reading active writers
2026/01/11 01:21:58 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:21:59 DEBUG : Looking for writers
2026/01/11 01:21:59 DEBUG : file1: reading active writers
2026/01/11 01:21:59 DEBUG : file2: reading active writers
2026/01/11 01:21:59 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:00 DEBUG : Looking for writers
2026/01/11 01:22:00 DEBUG : file1: reading active writers
2026/01/11 01:22:00 DEBUG : file2: reading active writers
2026/01/11 01:22:00 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:01 DEBUG : Looking for writers
2026/01/11 01:22:01 DEBUG : file1: reading active writers
2026/01/11 01:22:01 DEBUG : file2: reading active writers
2026/01/11 01:22:01 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:02 DEBUG : Looking for writers
2026/01/11 01:22:02 DEBUG : file1: reading active writers
2026/01/11 01:22:02 DEBUG : file2: reading active writers
2026/01/11 01:22:02 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:03 DEBUG : Looking for writers
2026/01/11 01:22:03 DEBUG : file1: reading active writers
2026/01/11 01:22:03 DEBUG : file2: reading active writers
2026/01/11 01:22:03 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:04 DEBUG : Looking for writers
2026/01/11 01:22:04 DEBUG : file1: reading active writers
2026/01/11 01:22:04 DEBUG : file2: reading active writers
2026/01/11 01:22:04 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:05 DEBUG : Looking for writers
2026/01/11 01:22:05 DEBUG : file2: reading active writers
2026/01/11 01:22:05 DEBUG : file1: reading active writers
2026/01/11 01:22:05 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:06 DEBUG : Looking for writers
2026/01/11 01:22:06 DEBUG : file1: reading active writers
2026/01/11 01:22:06 DEBUG : file2: reading active writers
2026/01/11 01:22:06 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:07 DEBUG : Looking for writers
2026/01/11 01:22:07 DEBUG : file1: reading active writers
2026/01/11 01:22:07 DEBUG : file2: reading active writers
2026/01/11 01:22:07 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:08 DEBUG : Looking for writers
2026/01/11 01:22:08 DEBUG : file1: reading active writers
2026/01/11 01:22:08 DEBUG : file2: reading active writers
2026/01/11 01:22:08 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:09 DEBUG : Looking for writers
2026/01/11 01:22:09 DEBUG : file2: reading active writers
2026/01/11 01:22:09 DEBUG : file1: reading active writers
2026/01/11 01:22:09 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:10 DEBUG : Looking for writers
2026/01/11 01:22:10 DEBUG : file1: reading active writers
2026/01/11 01:22:10 DEBUG : file2: reading active writers
2026/01/11 01:22:10 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:11 DEBUG : Looking for writers
2026/01/11 01:22:11 DEBUG : file1: reading active writers
2026/01/11 01:22:11 DEBUG : file2: reading active writers
2026/01/11 01:22:11 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:12 DEBUG : Looking for writers
2026/01/11 01:22:12 DEBUG : file2: reading active writers
2026/01/11 01:22:12 DEBUG : file1: reading active writers
2026/01/11 01:22:12 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:13 DEBUG : Looking for writers
2026/01/11 01:22:13 DEBUG : file1: reading active writers
2026/01/11 01:22:13 DEBUG : file2: reading active writers
2026/01/11 01:22:13 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:14 DEBUG : Looking for writers
2026/01/11 01:22:14 DEBUG : file1: reading active writers
2026/01/11 01:22:14 DEBUG : file2: reading active writers
2026/01/11 01:22:14 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:15 DEBUG : Looking for writers
2026/01/11 01:22:15 DEBUG : file1: reading active writers
2026/01/11 01:22:15 DEBUG : file2: reading active writers
2026/01/11 01:22:15 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:16 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/01/11 01:22:16 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file2 not removed, freed 0 bytes
2026/01/11 01:22:16 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 2 (was 2) in use 2, to upload 2, uploading 0, total size 0 (was 0)
2026/01/11 01:22:16 DEBUG : file1: vfs cache: starting upload
2026/01/11 01:22:16 DEBUG : Looking for writers
2026/01/11 01:22:16 DEBUG : file1: reading active writers
2026/01/11 01:22:16 DEBUG : file2: reading active writers
2026/01/11 01:22:16 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:17.723621 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:22:17.723653 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:22:17 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)
2026/01/11 01:22:17 ERROR : file1: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:22:17 DEBUG : Looking for writers
2026/01/11 01:22:17 DEBUG : file1: reading active writers
2026/01/11 01:22:17 DEBUG : file2: reading active writers
2026/01/11 01:22:17 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:17 DEBUG : file2: vfs cache: starting upload
2026/01/11 01:22:18.691162 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:22:18.691198 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:22:18 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:22:18 ERROR : file2: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:22:18 DEBUG : Looking for writers
2026/01/11 01:22:18 DEBUG : file1: reading active writers
2026/01/11 01:22:18 DEBUG : file2: reading active writers
2026/01/11 01:22:18 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:19 DEBUG : Looking for writers
2026/01/11 01:22:19 DEBUG : file1: reading active writers
2026/01/11 01:22:19 DEBUG : file2: reading active writers
2026/01/11 01:22:19 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:20 DEBUG : Looking for writers
2026/01/11 01:22:20 DEBUG : file1: reading active writers
2026/01/11 01:22:20 DEBUG : file2: reading active writers
2026/01/11 01:22:20 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:21 DEBUG : Looking for writers
2026/01/11 01:22:21 DEBUG : file2: reading active writers
2026/01/11 01:22:21 DEBUG : file1: reading active writers
2026/01/11 01:22:21 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:22 DEBUG : Looking for writers
2026/01/11 01:22:22 DEBUG : file1: reading active writers
2026/01/11 01:22:22 DEBUG : file2: reading active writers
2026/01/11 01:22:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:23 DEBUG : Looking for writers
2026/01/11 01:22:23 DEBUG : file1: reading active writers
2026/01/11 01:22:23 DEBUG : file2: reading active writers
2026/01/11 01:22:23 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:24 DEBUG : Looking for writers
2026/01/11 01:22:24 DEBUG : file1: reading active writers
2026/01/11 01:22:24 DEBUG : file2: reading active writers
2026/01/11 01:22:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/01/11 01:22:25 ERROR : Exiting even though 0 writers active and 2 cache items in use after 30s
Cache{
	"file2": &{c:0xc000913680 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000c3c108 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824646549824} name:file2 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001933834680773251 ext:180800233907 loc:0x42cf0a0} ATime:{wall:14001933834680925908 ext:180800386574 loc:0x42cf0a0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:2 pendingAccesses:0 modified:false beingReset:false},
	"file1": &{c:0xc000913680 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000c3c008 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824646549568} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14001933834677939631 ext:180797400317 loc:0x42cf0a0} ATime:{wall:14001933834678228876 ext:180797689532 loc:0x42cf0a0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/01/11 01:22:25 DEBUG : >WaitForWriters: 
2026/01/11 01:22:25 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:22:25 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleWriteNoWrite (69.23s)
=== RUN   TestRWFileHandleSizeTruncateExisting
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:22:25 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:22:25 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:22:25 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:25 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:25 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:25 DEBUG : Config file has changed externally - reloading
2026/01/11 01:22:25 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:22:25 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:25 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:25 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:22:25 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:25 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:22:26.300365 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:22:26.300393 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:22:26 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:22:26 DEBUG : Looking for writers
2026/01/11 01:22:26 DEBUG : >WaitForWriters: 
2026/01/11 01:22:26 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:22:26 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSizeTruncateExisting (0.78s)
=== RUN   TestRWFileHandleSizeCreateExisting
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:22:26 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:22:26 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:22:26 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:26 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:26 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:26 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:22:26 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:26 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:26 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:22:26 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:26 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:22:26.982409 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:22:26.982481 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:22:26 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:22:26 DEBUG : Looking for writers
2026/01/11 01:22:26 DEBUG : >WaitForWriters: 
2026/01/11 01:22:26 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:22:27 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSizeCreateExisting (0.76s)
=== RUN   TestRWFileModTimeWithOpenWriters
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:22:27 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:22:27 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:22:27 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:27 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:27 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:27 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:22:27 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:27 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:27 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:22:27 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:27 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:22:27 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:22:27 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:22:27 DEBUG : file1: newRWFileHandle: 
2026/01/11 01:22:27 DEBUG : file1(0xc0008c8900): openPending: 
2026/01/11 01:22:27 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/01/11 01:22:27 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:22:27 DEBUG : file1(0xc0008c8900): >openPending: err=<nil>
2026/01/11 01:22:27 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/01/11 01:22:27 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:22:27 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/01/11 01:22:27 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/01/11 01:22:28.119824 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:22:28.119850 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:22:28 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:22:28 DEBUG : Looking for writers
2026/01/11 01:22:28 DEBUG : file1: reading active writers
2026/01/11 01:22:28 DEBUG : file1: active writers 1
2026/01/11 01:22:28 DEBUG : Still 1 writers active and 1 cache items in use, waiting 10ms
2026/01/11 01:22:28 DEBUG : Looking for writers
2026/01/11 01:22:28 DEBUG : file1: reading active writers
2026/01/11 01:22:28 DEBUG : file1: active writers 1
2026/01/11 01:22:28 DEBUG : Still 1 writers active and 1 cache items in use, waiting 20ms
2026/01/11 01:22:28 DEBUG : Looking for writers
2026/01/11 01:22:28 DEBUG : file1: reading active writers
2026/01/11 01:22:28 DEBUG : file1: active writers 1
2026/01/11 01:22:28 DEBUG : Still 1 writers active and 1 cache items in use, waiting 40ms
2026/01/11 01:22:28 DEBUG : Looking for writers
2026/01/11 01:22:28 DEBUG : file1: reading active writers
2026/01/11 01:22:28 DEBUG : file1: active writers 1
2026/01/11 01:22:28 DEBUG : Still 1 writers active and 1 cache items in use, waiting 80ms
2026/01/11 01:22:28 DEBUG : Looking for writers
2026/01/11 01:22:28 DEBUG : file1: reading active writers
2026/01/11 01:22:28 DEBUG : file1: active writers 1
2026/01/11 01:22:28 DEBUG : Still 1 writers active and 1 cache items in use, waiting 160ms
2026/01/11 01:22:28 DEBUG : Looking for writers
2026/01/11 01:22:28 DEBUG : file1: reading active writers
2026/01/11 01:22:28 DEBUG : file1: active writers 1
2026/01/11 01:22:28 DEBUG : Still 1 writers active and 1 cache items in use, waiting 320ms
2026/01/11 01:22:28 DEBUG : Looking for writers
2026/01/11 01:22:28 DEBUG : file1: reading active writers
2026/01/11 01:22:28 DEBUG : file1: active writers 1
2026/01/11 01:22:28 DEBUG : Still 1 writers active and 1 cache items in use, waiting 640ms
2026/01/11 01:22:29 DEBUG : Looking for writers
2026/01/11 01:22:29 DEBUG : file1: reading active writers
2026/01/11 01:22:29 DEBUG : file1: active writers 1
2026/01/11 01:22:29 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:30 DEBUG : Looking for writers
2026/01/11 01:22:30 DEBUG : file1: reading active writers
2026/01/11 01:22:30 DEBUG : file1: active writers 1
2026/01/11 01:22:30 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:31 DEBUG : Looking for writers
2026/01/11 01:22:31 DEBUG : file1: reading active writers
2026/01/11 01:22:31 DEBUG : file1: active writers 1
2026/01/11 01:22:31 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:32 DEBUG : Looking for writers
2026/01/11 01:22:32 DEBUG : file1: reading active writers
2026/01/11 01:22:32 DEBUG : file1: active writers 1
2026/01/11 01:22:32 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:33 DEBUG : Looking for writers
2026/01/11 01:22:33 DEBUG : file1: reading active writers
2026/01/11 01:22:33 DEBUG : file1: active writers 1
2026/01/11 01:22:33 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:34 DEBUG : Looking for writers
2026/01/11 01:22:34 DEBUG : file1: reading active writers
2026/01/11 01:22:34 DEBUG : file1: active writers 1
2026/01/11 01:22:34 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:35 DEBUG : Looking for writers
2026/01/11 01:22:35 DEBUG : file1: reading active writers
2026/01/11 01:22:35 DEBUG : file1: active writers 1
2026/01/11 01:22:35 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:36 DEBUG : Looking for writers
2026/01/11 01:22:36 DEBUG : file1: reading active writers
2026/01/11 01:22:36 DEBUG : file1: active writers 1
2026/01/11 01:22:36 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:37 DEBUG : Looking for writers
2026/01/11 01:22:37 DEBUG : file1: reading active writers
2026/01/11 01:22:37 DEBUG : file1: active writers 1
2026/01/11 01:22:37 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:38 DEBUG : Looking for writers
2026/01/11 01:22:38 DEBUG : file1: reading active writers
2026/01/11 01:22:38 DEBUG : file1: active writers 1
2026/01/11 01:22:38 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:39 DEBUG : Looking for writers
2026/01/11 01:22:39 DEBUG : file1: reading active writers
2026/01/11 01:22:39 DEBUG : file1: active writers 1
2026/01/11 01:22:39 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:40 DEBUG : Looking for writers
2026/01/11 01:22:40 DEBUG : file1: reading active writers
2026/01/11 01:22:40 DEBUG : file1: active writers 1
2026/01/11 01:22:40 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:41 DEBUG : Looking for writers
2026/01/11 01:22:41 DEBUG : file1: reading active writers
2026/01/11 01:22:41 DEBUG : file1: active writers 1
2026/01/11 01:22:41 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:42 DEBUG : Looking for writers
2026/01/11 01:22:42 DEBUG : file1: reading active writers
2026/01/11 01:22:42 DEBUG : file1: active writers 1
2026/01/11 01:22:42 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:43 DEBUG : Looking for writers
2026/01/11 01:22:43 DEBUG : file1: reading active writers
2026/01/11 01:22:43 DEBUG : file1: active writers 1
2026/01/11 01:22:43 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:44 DEBUG : Looking for writers
2026/01/11 01:22:44 DEBUG : file1: reading active writers
2026/01/11 01:22:44 DEBUG : file1: active writers 1
2026/01/11 01:22:44 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:45 DEBUG : Looking for writers
2026/01/11 01:22:45 DEBUG : file1: reading active writers
2026/01/11 01:22:45 DEBUG : file1: active writers 1
2026/01/11 01:22:45 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:46 DEBUG : Looking for writers
2026/01/11 01:22:46 DEBUG : file1: reading active writers
2026/01/11 01:22:46 DEBUG : file1: active writers 1
2026/01/11 01:22:46 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:47 DEBUG : Looking for writers
2026/01/11 01:22:47 DEBUG : file1: reading active writers
2026/01/11 01:22:47 DEBUG : file1: active writers 1
2026/01/11 01:22:47 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:48 DEBUG : Looking for writers
2026/01/11 01:22:48 DEBUG : file1: reading active writers
2026/01/11 01:22:48 DEBUG : file1: active writers 1
2026/01/11 01:22:48 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:49 DEBUG : Looking for writers
2026/01/11 01:22:49 DEBUG : file1: reading active writers
2026/01/11 01:22:49 DEBUG : file1: active writers 1
2026/01/11 01:22:49 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:50 DEBUG : Looking for writers
2026/01/11 01:22:50 DEBUG : file1: reading active writers
2026/01/11 01:22:50 DEBUG : file1: active writers 1
2026/01/11 01:22:50 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:51 DEBUG : Looking for writers
2026/01/11 01:22:51 DEBUG : file1: reading active writers
2026/01/11 01:22:51 DEBUG : file1: active writers 1
2026/01/11 01:22:51 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:52 DEBUG : Looking for writers
2026/01/11 01:22:52 DEBUG : file1: reading active writers
2026/01/11 01:22:52 DEBUG : file1: active writers 1
2026/01/11 01:22:52 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:53 DEBUG : Looking for writers
2026/01/11 01:22:53 DEBUG : file1: reading active writers
2026/01/11 01:22:53 DEBUG : file1: active writers 1
2026/01/11 01:22:53 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:54 DEBUG : Looking for writers
2026/01/11 01:22:54 DEBUG : file1: reading active writers
2026/01/11 01:22:54 DEBUG : file1: active writers 1
2026/01/11 01:22:54 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:55 DEBUG : Looking for writers
2026/01/11 01:22:55 DEBUG : file1: reading active writers
2026/01/11 01:22:55 DEBUG : file1: active writers 1
2026/01/11 01:22:55 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:56 DEBUG : Looking for writers
2026/01/11 01:22:56 DEBUG : file1: reading active writers
2026/01/11 01:22:56 DEBUG : file1: active writers 1
2026/01/11 01:22:56 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:57 DEBUG : Looking for writers
2026/01/11 01:22:57 DEBUG : file1: reading active writers
2026/01/11 01:22:57 DEBUG : file1: active writers 1
2026/01/11 01:22:57 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/01/11 01:22:58 ERROR : Exiting even though 1 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc000c1cf00 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000a8f408 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824644793408} name:file1 opens:1 downloaders:<nil> o:<nil> fd:0xc000302310 info:{ModTime:{wall:14001933910685841354 ext:251569632516 loc:0x42cf0a0} ATime:{wall:14001933910685841354 ext:251569632516 loc:0x42cf0a0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:0 pendingAccesses:0 modified:true beingReset:false},
}
2026/01/11 01:22:58 DEBUG : >WaitForWriters: 
2026/01/11 01:22:58 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:22:58 ERROR : error listing: directory not found
--- FAIL: TestRWFileModTimeWithOpenWriters (31.13s)
=== RUN   TestRWCacheUpdate
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:22:58 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:22:58 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/01/11 01:22:58 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:58 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:58 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:58 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:22:58 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:58 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:58 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/01/11 01:22:58 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-nikozeq4wacu"
2026/01/11 01:22:58 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/01/11 01:22:58 DEBUG : forgetting directory cache
2026/01/11 01:22:58.885484 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:22:58.885515 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:22:58 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:22:58 DEBUG : Looking for writers
2026/01/11 01:22:58 DEBUG : >WaitForWriters: 
2026/01/11 01:22:58 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': vfs cache: cleaner exiting
2026/01/11 01:22:59 ERROR : error listing: directory not found
--- FAIL: TestRWCacheUpdate (0.76s)
=== RUN   TestCaseSensitivity
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:22:59.921221 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:22:59.921281 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:00 ERROR : error listing: directory not found
--- FAIL: TestCaseSensitivity (1.05s)
=== RUN   TestUnicodeNormalization
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:23:00.668654 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:23:00.668703 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:00 ERROR : error listing: directory not found
--- FAIL: TestUnicodeNormalization (0.80s)
=== RUN   TestVFSStat
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:23:00 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:23:00 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:23:01.678234 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:23:01.678364 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:01 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:23:01 DEBUG : Looking for writers
2026/01/11 01:23:01 DEBUG : >WaitForWriters: 
2026/01/11 01:23:01 ERROR : error listing: directory not found
--- FAIL: TestVFSStat (0.94s)
=== RUN   TestVFSStatParent
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:23:01 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:23:01 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:23:02.584631 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:23:02.584653 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:02 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:23:02 DEBUG : Looking for writers
2026/01/11 01:23:02 DEBUG : >WaitForWriters: 
2026/01/11 01:23:02 ERROR : error listing: directory not found
--- FAIL: TestVFSStatParent (0.95s)
=== RUN   TestVFSOpenFile
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:23:02 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:23:02 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:23:03.595000 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:23:03.595026 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:03 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:23:03 DEBUG : Looking for writers
2026/01/11 01:23:03 DEBUG : >WaitForWriters: 
2026/01/11 01:23:03 ERROR : error listing: directory not found
--- FAIL: TestVFSOpenFile (0.90s)
=== RUN   TestVFSRename
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:23:03 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:23:03 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:23:04.271027 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:23:04.271058 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:04 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:23:04 DEBUG : Looking for writers
2026/01/11 01:23:04 DEBUG : >WaitForWriters: 
2026/01/11 01:23:04 ERROR : error listing: directory not found
--- FAIL: TestVFSRename (0.68s)
=== RUN   TestVFSMkdir
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:23:04 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:23:04 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:23:04 ERROR : error listing: directory not found
2026/01/11 01:23:05.262469 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:23:05.262491 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:05 ERROR : /: Dir.Mkdir failed to create directory: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    vfs_test.go:375: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/vfs_test.go:375
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestVFSMkdir
2026/01/11 01:23:05 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:23:05 DEBUG : Looking for writers
2026/01/11 01:23:05 DEBUG : >WaitForWriters: 
2026/01/11 01:23:05 ERROR : error listing: directory not found
--- FAIL: TestVFSMkdir (1.05s)
=== RUN   TestVFSMkdirAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:23:05 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:23:05 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:23:05 ERROR : error listing: directory not found
2026/01/11 01:23:05 ERROR : error listing: directory not found
2026/01/11 01:23:06.522334 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:23:06.522370 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:06 ERROR : /: Dir.Mkdir failed to create directory: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    vfs_test.go:425: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/vfs_test.go:425
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestVFSMkdirAll
2026/01/11 01:23:06 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:23:06 DEBUG : Looking for writers
2026/01/11 01:23:06 DEBUG : >WaitForWriters: 
2026/01/11 01:23:06 ERROR : error listing: directory not found
--- FAIL: TestVFSMkdirAll (1.26s)
=== RUN   TestWriteFileHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:23:06 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:23:06 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:23:06 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:23:06 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:23:06 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:06 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/11 01:23:06 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/11 01:23:06 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:06 ERROR : file1: WriteFileHandle: Read: Can't read and write to file without --vfs-cache-mode >= minimal
2026/01/11 01:23:06 ERROR : file1: WriteFileHandle: ReadAt: Can't read and write to file without --vfs-cache-mode >= minimal
2026/01/11 01:23:06 ERROR : file1: WriteFileHandle: Truncate: Can't change size without --vfs-cache-mode >= writes
2026/01/11 01:23:06 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': File to upload is small (5 bytes), uploading instead of streaming
2026/01/11 01:23:07.481391 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:23:07.481417 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:07 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:07 DEBUG : file1: Remove: 
2026/01/11 01:23:07 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/11 01:23:07 DEBUG : file1: >Remove: err=<nil>
    write_test.go:144: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:144
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleMethods
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:153
        	Error:      	Not equal: 
        	            	expected: []string{"file1,5,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=13) "file1,5,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleMethods
2026/01/11 01:23:07 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/01/11 01:23:09 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/01/11 01:23:11 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:157
        	Error:      	Should be true
        	Test:       	TestWriteFileHandleMethods
        	Messages:   	listing wrong, want
        	            	  file1 (5) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:157
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestWriteFileHandleMethods
        	Messages:   	1 objects not found
2026/01/11 01:23:15 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:23:15 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:23:15 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:15 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/11 01:23:15 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/11 01:23:15 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:15 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': File to upload is small (0 bytes), uploading instead of streaming
2026/01/11 01:23:16.268335 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:23:16.268359 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:16 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:16 DEBUG : file1: Remove: 
2026/01/11 01:23:16 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/11 01:23:16 DEBUG : file1: >Remove: err=<nil>
    write_test.go:163: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:163
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleMethods
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:164
        	Error:      	Not equal: 
        	            	expected: []string{"file1,5,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=13) "file1,5,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleMethods
2026/01/11 01:23:16 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:23:16 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:23:16 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:16 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/11 01:23:16 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/11 01:23:16 DEBUG : Added virtual directory entry vAddFile: "file1"
    write_test.go:171: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:171
        	Error:      	Not equal: 
        	            	expected: *errors.errorString(&errors.errorString{s:"permission denied"})
        	            	actual  : <nil>(<nil>)
        	Test:       	TestWriteFileHandleMethods
2026/01/11 01:23:16 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:23:16 DEBUG : Looking for writers
2026/01/11 01:23:16 DEBUG : file1: reading active writers
2026/01/11 01:23:16 DEBUG : file1: active writers 1
2026/01/11 01:23:16 DEBUG : Still 1 writers active and 0 cache items in use, waiting 10ms
2026/01/11 01:23:16 DEBUG : Looking for writers
2026/01/11 01:23:16 DEBUG : file1: reading active writers
2026/01/11 01:23:16 DEBUG : file1: active writers 1
2026/01/11 01:23:16 DEBUG : Still 1 writers active and 0 cache items in use, waiting 20ms
2026/01/11 01:23:16 DEBUG : Looking for writers
2026/01/11 01:23:16 DEBUG : file1: reading active writers
2026/01/11 01:23:16 DEBUG : file1: active writers 1
2026/01/11 01:23:16 DEBUG : Still 1 writers active and 0 cache items in use, waiting 40ms
2026/01/11 01:23:16 DEBUG : Looking for writers
2026/01/11 01:23:16 DEBUG : file1: reading active writers
2026/01/11 01:23:16 DEBUG : file1: active writers 1
2026/01/11 01:23:16 DEBUG : Still 1 writers active and 0 cache items in use, waiting 80ms
2026/01/11 01:23:16 DEBUG : Looking for writers
2026/01/11 01:23:16 DEBUG : file1: reading active writers
2026/01/11 01:23:16 DEBUG : file1: active writers 1
2026/01/11 01:23:16 DEBUG : Still 1 writers active and 0 cache items in use, waiting 160ms
2026/01/11 01:23:16 DEBUG : Looking for writers
2026/01/11 01:23:16 DEBUG : file1: reading active writers
2026/01/11 01:23:16 DEBUG : file1: active writers 1
2026/01/11 01:23:16 DEBUG : Still 1 writers active and 0 cache items in use, waiting 320ms
2026/01/11 01:23:16 DEBUG : Looking for writers
2026/01/11 01:23:16 DEBUG : file1: reading active writers
2026/01/11 01:23:16 DEBUG : file1: active writers 1
2026/01/11 01:23:16 DEBUG : Still 1 writers active and 0 cache items in use, waiting 640ms
2026/01/11 01:23:17 DEBUG : Looking for writers
2026/01/11 01:23:17 DEBUG : file1: reading active writers
2026/01/11 01:23:17 DEBUG : file1: active writers 1
2026/01/11 01:23:17 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:18 DEBUG : Looking for writers
2026/01/11 01:23:18 DEBUG : file1: reading active writers
2026/01/11 01:23:18 DEBUG : file1: active writers 1
2026/01/11 01:23:18 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:19 DEBUG : Looking for writers
2026/01/11 01:23:19 DEBUG : file1: reading active writers
2026/01/11 01:23:19 DEBUG : file1: active writers 1
2026/01/11 01:23:19 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:20 DEBUG : Looking for writers
2026/01/11 01:23:20 DEBUG : file1: reading active writers
2026/01/11 01:23:20 DEBUG : file1: active writers 1
2026/01/11 01:23:20 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:21 DEBUG : Looking for writers
2026/01/11 01:23:21 DEBUG : file1: reading active writers
2026/01/11 01:23:21 DEBUG : file1: active writers 1
2026/01/11 01:23:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:22 DEBUG : Looking for writers
2026/01/11 01:23:22 DEBUG : file1: reading active writers
2026/01/11 01:23:22 DEBUG : file1: active writers 1
2026/01/11 01:23:22 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:23 DEBUG : Looking for writers
2026/01/11 01:23:23 DEBUG : file1: reading active writers
2026/01/11 01:23:23 DEBUG : file1: active writers 1
2026/01/11 01:23:23 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:24 DEBUG : Looking for writers
2026/01/11 01:23:24 DEBUG : file1: reading active writers
2026/01/11 01:23:24 DEBUG : file1: active writers 1
2026/01/11 01:23:24 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:25 DEBUG : Looking for writers
2026/01/11 01:23:25 DEBUG : file1: reading active writers
2026/01/11 01:23:25 DEBUG : file1: active writers 1
2026/01/11 01:23:25 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:26 DEBUG : Looking for writers
2026/01/11 01:23:26 DEBUG : file1: reading active writers
2026/01/11 01:23:26 DEBUG : file1: active writers 1
2026/01/11 01:23:26 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:27 DEBUG : Looking for writers
2026/01/11 01:23:27 DEBUG : file1: reading active writers
2026/01/11 01:23:27 DEBUG : file1: active writers 1
2026/01/11 01:23:27 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:28 DEBUG : Looking for writers
2026/01/11 01:23:28 DEBUG : file1: reading active writers
2026/01/11 01:23:28 DEBUG : file1: active writers 1
2026/01/11 01:23:28 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:29 DEBUG : Looking for writers
2026/01/11 01:23:29 DEBUG : file1: reading active writers
2026/01/11 01:23:29 DEBUG : file1: active writers 1
2026/01/11 01:23:29 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:30 DEBUG : Looking for writers
2026/01/11 01:23:30 DEBUG : file1: reading active writers
2026/01/11 01:23:30 DEBUG : file1: active writers 1
2026/01/11 01:23:30 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:31 DEBUG : Looking for writers
2026/01/11 01:23:31 DEBUG : file1: reading active writers
2026/01/11 01:23:31 DEBUG : file1: active writers 1
2026/01/11 01:23:31 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:32 DEBUG : Looking for writers
2026/01/11 01:23:32 DEBUG : file1: reading active writers
2026/01/11 01:23:32 DEBUG : file1: active writers 1
2026/01/11 01:23:32 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:33 DEBUG : Looking for writers
2026/01/11 01:23:33 DEBUG : file1: reading active writers
2026/01/11 01:23:33 DEBUG : file1: active writers 1
2026/01/11 01:23:33 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:34 DEBUG : Looking for writers
2026/01/11 01:23:34 DEBUG : file1: reading active writers
2026/01/11 01:23:34 DEBUG : file1: active writers 1
2026/01/11 01:23:34 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:35 DEBUG : Looking for writers
2026/01/11 01:23:35 DEBUG : file1: reading active writers
2026/01/11 01:23:35 DEBUG : file1: active writers 1
2026/01/11 01:23:35 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:36 DEBUG : Looking for writers
2026/01/11 01:23:36 DEBUG : file1: reading active writers
2026/01/11 01:23:36 DEBUG : file1: active writers 1
2026/01/11 01:23:36 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:37 DEBUG : Looking for writers
2026/01/11 01:23:37 DEBUG : file1: reading active writers
2026/01/11 01:23:37 DEBUG : file1: active writers 1
2026/01/11 01:23:37 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:38 DEBUG : Looking for writers
2026/01/11 01:23:38 DEBUG : file1: reading active writers
2026/01/11 01:23:38 DEBUG : file1: active writers 1
2026/01/11 01:23:38 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:39 DEBUG : Looking for writers
2026/01/11 01:23:39 DEBUG : file1: reading active writers
2026/01/11 01:23:39 DEBUG : file1: active writers 1
2026/01/11 01:23:39 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:40 DEBUG : Looking for writers
2026/01/11 01:23:40 DEBUG : file1: reading active writers
2026/01/11 01:23:40 DEBUG : file1: active writers 1
2026/01/11 01:23:40 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:41 DEBUG : Looking for writers
2026/01/11 01:23:41 DEBUG : file1: reading active writers
2026/01/11 01:23:41 DEBUG : file1: active writers 1
2026/01/11 01:23:41 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:42 DEBUG : Looking for writers
2026/01/11 01:23:42 DEBUG : file1: reading active writers
2026/01/11 01:23:42 DEBUG : file1: active writers 1
2026/01/11 01:23:42 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:43 DEBUG : Looking for writers
2026/01/11 01:23:43 DEBUG : file1: reading active writers
2026/01/11 01:23:43 DEBUG : file1: active writers 1
2026/01/11 01:23:43 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:44 DEBUG : Looking for writers
2026/01/11 01:23:44 DEBUG : file1: reading active writers
2026/01/11 01:23:44 DEBUG : file1: active writers 1
2026/01/11 01:23:44 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:45 DEBUG : Looking for writers
2026/01/11 01:23:45 DEBUG : file1: reading active writers
2026/01/11 01:23:45 DEBUG : file1: active writers 1
2026/01/11 01:23:45 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/01/11 01:23:46 ERROR : Exiting even though 1 writers active and 0 cache items in use after 30s
Cache: <nil>
2026/01/11 01:23:46 DEBUG : >WaitForWriters: 
2026/01/11 01:23:46 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleMethods (39.77s)
=== RUN   TestWriteFileHandleWriteAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:23:46 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:23:46 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:23:46 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:23:46 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:23:46 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:46 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/11 01:23:46 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/11 01:23:46 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:46 DEBUG : file1: waiting for in-sequence write to 100 for 1s
2026/01/11 01:23:47 DEBUG : file1: aborting in-sequence write wait, off=100
2026/01/11 01:23:47 DEBUG : file1: failed to wait for in-sequence write to 100
2026/01/11 01:23:47 ERROR : file1: WriteFileHandle.Write: can't seek in file without --vfs-cache-mode >= writes
2026/01/11 01:23:47 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': File to upload is small (11 bytes), uploading instead of streaming
2026/01/11 01:23:48.494014 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:23:48.494182 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:48 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:48 DEBUG : file1: Remove: 
2026/01/11 01:23:48 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/11 01:23:48 DEBUG : file1: >Remove: err=<nil>
    write_test.go:221: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:221
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleWriteAt
2026/01/11 01:23:48 ERROR : file1: WriteFileHandle.Write: error: Bad file descriptor
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:231
        	Error:      	Not equal: 
        	            	expected: []string{"file1,11,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=14) "file1,11,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleWriteAt
2026/01/11 01:23:48 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/01/11 01:23:50 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/01/11 01:23:52 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:235
        	Error:      	Should be true
        	Test:       	TestWriteFileHandleWriteAt
        	Messages:   	listing wrong, want
        	            	  file1 (11) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:235
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestWriteFileHandleWriteAt
        	Messages:   	1 objects not found
2026/01/11 01:23:56 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:23:56 DEBUG : Looking for writers
2026/01/11 01:23:56 DEBUG : >WaitForWriters: 
2026/01/11 01:23:57 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleWriteAt (10.59s)
=== RUN   TestWriteFileHandleFlush
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:23:57 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:23:57 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:23:57 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:23:57 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:23:57 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:57 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/11 01:23:57 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/11 01:23:57 DEBUG : file1: WriteFileHandle.Flush unwritten handle, writing 0 bytes to avoid race conditions
2026/01/11 01:23:57 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:57 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': File to upload is small (5 bytes), uploading instead of streaming
2026/01/11 01:23:58.122153 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:23:58.122182 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:58 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:58 DEBUG : file1: Remove: 
2026/01/11 01:23:58 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/11 01:23:58 DEBUG : file1: >Remove: err=<nil>
2026/01/11 01:23:58 ERROR : file1: WriteFileHandle.Flush error: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    write_test.go:256: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:256
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleFlush
2026/01/11 01:23:58 DEBUG : file1: WriteFileHandle.Flush nothing to do
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:267
        	Error:      	Not equal: 
        	            	expected: []string{"file1,5,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=13) "file1,5,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleFlush
2026/01/11 01:23:58 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:23:58 DEBUG : Looking for writers
2026/01/11 01:23:58 DEBUG : >WaitForWriters: 
2026/01/11 01:23:58 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleFlush (1.25s)
=== RUN   TestWriteFileHandleRelease
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:23:58 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:23:58 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:23:58 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:23:58 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:23:58 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:58 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/11 01:23:58 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/11 01:23:58 DEBUG : file1: WriteFileHandle.Release closing
2026/01/11 01:23:58 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:58 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': File to upload is small (0 bytes), uploading instead of streaming
2026/01/11 01:23:59.183342 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:23:59.183401 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:59 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:23:59 DEBUG : file1: Remove: 
2026/01/11 01:23:59 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/11 01:23:59 DEBUG : file1: >Remove: err=<nil>
2026/01/11 01:23:59 ERROR : file1: WriteFileHandle.Release error: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    write_test.go:279: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:279
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleRelease
2026/01/11 01:23:59 DEBUG : file1: WriteFileHandle.Release nothing to do
2026/01/11 01:23:59 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:23:59 DEBUG : Looking for writers
2026/01/11 01:23:59 DEBUG : >WaitForWriters: 
2026/01/11 01:23:59 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleRelease (1.06s)
=== RUN   TestWriteFileModTimeWithOpenWriters
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:23:59 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:23:59 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:23:59 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:23:59 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:23:59 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:59 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/11 01:23:59 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/11 01:23:59 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:23:59 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': File to upload is small (2 bytes), uploading instead of streaming
2026/01/11 01:24:00.391135 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:24:00.391171 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:24:00 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)
2026/01/11 01:24:00 DEBUG : file1: Remove: 
2026/01/11 01:24:00 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/11 01:24:00 DEBUG : file1: >Remove: err=<nil>
    write_test.go:333: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:333
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileModTimeWithOpenWriters
2026/01/11 01:24:00 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:24:00 DEBUG : Looking for writers
2026/01/11 01:24:00 DEBUG : >WaitForWriters: 
2026/01/11 01:24:00 ERROR : error listing: directory not found
--- FAIL: TestWriteFileModTimeWithOpenWriters (1.22s)
=== RUN   TestFileReadAtZeroLength
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:24:00 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:24:00 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:24:00 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:24:00 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:24:00 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:24:00 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/11 01:24:00 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/11 01:24:00 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:24:00 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': File to upload is small (0 bytes), uploading instead of streaming
2026/01/11 01:24:01.404251 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:24:01.404271 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:24:01 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)
2026/01/11 01:24:01 DEBUG : file1: Remove: 
2026/01/11 01:24:01 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/11 01:24:01 DEBUG : file1: >Remove: err=<nil>
    write_test.go:360: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:360
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:380
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestFileReadAtZeroLength
2026/01/11 01:24:01 DEBUG : file1: OpenFile: flags=O_RDONLY, perm=----------
2026/01/11 01:24:01 DEBUG : file1: >OpenFile: fd=<nil>, err=file does not exist
    write_test.go:365: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:365
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:380
        	Error:      	Received unexpected error:
        	            	file does not exist
        	Test:       	TestFileReadAtZeroLength
2026/01/11 01:24:01 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:24:01 DEBUG : Looking for writers
2026/01/11 01:24:01 DEBUG : >WaitForWriters: 
2026/01/11 01:24:01 ERROR : error listing: directory not found
--- FAIL: TestFileReadAtZeroLength (0.94s)
=== RUN   TestFileReadAtNonZeroLength
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:24:01 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:24:01 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:24:01 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/01/11 01:24:01 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/01/11 01:24:01 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:24:01 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/01/11 01:24:01 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/01/11 01:24:01 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/01/11 01:24:01 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': File to upload is small (100 bytes), uploading instead of streaming
2026/01/11 01:24:02.535289 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:24:02.535326 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:24:02 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)
2026/01/11 01:24:02 DEBUG : file1: Remove: 
2026/01/11 01:24:02 DEBUG : Added virtual directory entry vDel: "file1"
2026/01/11 01:24:02 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:384
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestFileReadAtNonZeroLength
2026/01/11 01:24:02 DEBUG : file1: OpenFile: flags=O_RDONLY, perm=----------
2026/01/11 01:24:02 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:384
        	Error:      	Received unexpected error:
        	            	file does not exist
        	Test:       	TestFileReadAtNonZeroLength
2026/01/11 01:24:02 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:24:02 DEBUG : Looking for writers
2026/01/11 01:24:02 DEBUG : >WaitForWriters: 
2026/01/11 01:24:02 ERROR : error listing: directory not found
--- FAIL: TestFileReadAtNonZeroLength (1.12s)
=== RUN   TestZipManyFiles
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:24:02 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:24:02 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:24:03.313638 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:24:03.313672 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:24:03 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:24:03 DEBUG : Looking for writers
2026/01/11 01:24:03 DEBUG : >WaitForWriters: 
2026/01/11 01:24:03 ERROR : error listing: directory not found
--- FAIL: TestZipManyFiles (0.88s)
=== RUN   TestZipManySubDirs
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:24:03 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:24:03 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:24:04.269073 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:24:04.269113 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:24:04 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:24:04 DEBUG : Looking for writers
2026/01/11 01:24:04 DEBUG : >WaitForWriters: 
2026/01/11 01:24:04 ERROR : error listing: directory not found
--- FAIL: TestZipManySubDirs (0.87s)
=== RUN   TestZipLargeFiles
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:24:04 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:24:04 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:24:05.227535 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:24:05.227602 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:24:05 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:24:05 DEBUG : Looking for writers
2026/01/11 01:24:05 DEBUG : >WaitForWriters: 
2026/01/11 01:24:05 ERROR : error listing: directory not found
--- FAIL: TestZipLargeFiles (1.02s)
=== RUN   TestZipDirsInRoot
    run.go:185: Remote "proton drive root link ID 'rclone-test-nikozeq4wacu'", Local "Local file system at /tmp/rclone3772744811", Modify Window "1s"
2026/01/11 01:24:05 INFO  : proton drive root link ID 'rclone-test-nikozeq4wacu': poll-interval is not supported by this remote
2026/01/11 01:24:05 NOTICE: proton drive root link ID 'rclone-test-nikozeq4wacu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/01/11 01:24:05.942205 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/01/11 01:24:05.942260 ERROR RESTY 422 POST https://mail.proton.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-nikozeq4wacu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/01/11 01:24:05 DEBUG : WaitForWriters: timeout=30s
2026/01/11 01:24:05 DEBUG : Looking for writers
2026/01/11 01:24:05 DEBUG : >WaitForWriters: 
2026/01/11 01:24:06 ERROR : error listing: directory not found
--- FAIL: TestZipDirsInRoot (0.70s)
FAIL
2026/01/11 01:24:06 DEBUG : proton drive root link ID 'rclone-test-nikozeq4wacu': Purge remote
2026/01/11 01:24:06 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 5m50.519871738s (try 2/5): exit status 1: Failed [TestDirHandleMethods TestDirHandleReaddir TestDirHandleReaddirnames TestDirMethods TestDirForgetAll TestDirForgetPath TestDirWalk TestDirSetModTime TestDirStat TestDirReadDirAll TestDirOpen TestDirCreate TestDirMkdir TestDirMkdirSub TestDirRemove TestDirRemoveAll TestDirRemoveName TestDirRename TestDirFileOpen TestDirMetadataExtension TestFileMethods TestFileSetModTime/cache=off,open=false,write=false TestFileSetModTime/cache=off,open=true,write=false TestFileSetModTime/cache=off,open=true,write=true TestFileSetModTime/cache=full,open=false,write=false TestFileSetModTime/cache=full,open=true,write=false TestFileSetModTime/cache=full,open=true,write=true TestFileOpenRead TestFileOpenWrite TestFileRemove TestFileRemoveAll TestFileOpen TestFileRename/off,forceCache=false TestFileRename/minimal,forceCache=false TestFileRename/minimal,forceCache=true TestFileRename/writes,forceCache=false TestFileRename/writes,forceCache=true TestFileRename/full,forceCache=false TestReadFileHandleMethods TestReadFileHandleSeek TestReadFileHandleReadAt TestReadFileHandleFlush TestReadFileHandleRelease TestRWFileHandleMethodsRead TestRWFileHandleSeek TestRWFileHandleReadAt TestRWFileHandleFlushRead TestRWFileHandleReleaseRead TestRWFileHandleMethodsWrite TestRWFileHandleWriteAt TestRWFileHandleWriteNoWrite TestRWFileHandleSizeTruncateExisting TestRWFileHandleSizeCreateExisting TestRWFileModTimeWithOpenWriters TestRWCacheUpdate TestCaseSensitivity TestUnicodeNormalization TestVFSStat TestVFSStatParent TestVFSOpenFile TestVFSRename TestVFSMkdir TestVFSMkdirAll TestWriteFileHandleMethods TestWriteFileHandleWriteAt TestWriteFileHandleFlush TestWriteFileHandleRelease TestWriteFileModTimeWithOpenWriters TestFileReadAtZeroLength TestFileReadAtNonZeroLength TestZipManyFiles TestZipManySubDirs TestZipLargeFiles TestZipDirsInRoot]