"./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 3/5)
2026/02/21 05:34:35 DEBUG : Creating backend with remote "TestProtonDrive:rclone-test-vunifoj0nihu"
2026/02/21 05:34:35 DEBUG : Using config file from "/home/rclone/.rclone.conf"
2026/02/21 05:34:35 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': Has cached credentials
2026/02/21 05:34:37 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': Used cached credential to initialize the ProtonDrive API
2026/02/21 05:34:38 DEBUG : Creating backend with remote "/tmp/rclone3867274110"
=== RUN   TestDirHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:34:38 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:34:38 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:34:39.454069 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:34:39.454155 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:34:39 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:34:39 DEBUG : Looking for writers
2026/02/21 05:34:39 DEBUG : >WaitForWriters: 
2026/02/21 05:34:39 ERROR : error listing: directory not found
--- FAIL: TestDirHandleMethods (1.23s)
=== RUN   TestDirHandleReaddir
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:34:39 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:34:39 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:34:41.587487 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:34:41.603246 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:34:41 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:34:41 DEBUG : Looking for writers
2026/02/21 05:34:41 DEBUG : >WaitForWriters: 
2026/02/21 05:35:26 ERROR : error listing: directory not found
--- FAIL: TestDirHandleReaddir (47.20s)
=== RUN   TestDirHandleReaddirnames
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:26 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:26 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:27.448639 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:27.448706 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:27 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:27 DEBUG : Looking for writers
2026/02/21 05:35:27 DEBUG : >WaitForWriters: 
2026/02/21 05:35:27 ERROR : error listing: directory not found
--- FAIL: TestDirHandleReaddirnames (0.71s)
=== RUN   TestDirMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:27 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:27 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:28.158991 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:28.159022 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:28 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:28 DEBUG : Looking for writers
2026/02/21 05:35:28 DEBUG : >WaitForWriters: 
2026/02/21 05:35:28 ERROR : error listing: directory not found
--- FAIL: TestDirMethods (0.73s)
=== RUN   TestDirForgetAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:28 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:28 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:28.851845 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:28.851874 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:28 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:28 DEBUG : Looking for writers
2026/02/21 05:35:28 DEBUG : >WaitForWriters: 
2026/02/21 05:35:29 ERROR : error listing: directory not found
--- FAIL: TestDirForgetAll (0.69s)
=== RUN   TestDirForgetPath
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:29 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:29 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:29.701211 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:29.701246 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:29 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:29 DEBUG : Looking for writers
2026/02/21 05:35:29 DEBUG : >WaitForWriters: 
2026/02/21 05:35:29 ERROR : error listing: directory not found
--- FAIL: TestDirForgetPath (0.79s)
=== RUN   TestDirWalk
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:29 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:29 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:30.429417 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:30.429484 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:30 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:30 DEBUG : Looking for writers
2026/02/21 05:35:30 DEBUG : >WaitForWriters: 
2026/02/21 05:35:30 ERROR : error listing: directory not found
--- FAIL: TestDirWalk (0.75s)
=== RUN   TestDirSetModTime
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:30 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:30 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:31.081060 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:31.081086 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:31 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:31 DEBUG : Looking for writers
2026/02/21 05:35:31 DEBUG : >WaitForWriters: 
2026/02/21 05:35:31 ERROR : error listing: directory not found
--- FAIL: TestDirSetModTime (0.65s)
=== RUN   TestDirStat
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:31 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:31 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:31.928930 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:31.928952 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:31 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:31 DEBUG : Looking for writers
2026/02/21 05:35:31 DEBUG : >WaitForWriters: 
2026/02/21 05:35:32 ERROR : error listing: directory not found
--- FAIL: TestDirStat (0.84s)
=== RUN   TestDirReadDirAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:32 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:32 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:32.784956 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:32.784979 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:32 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:32 DEBUG : Looking for writers
2026/02/21 05:35:32 DEBUG : >WaitForWriters: 
2026/02/21 05:35:32 ERROR : error listing: directory not found
--- FAIL: TestDirReadDirAll (0.92s)
=== RUN   TestDirOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:32 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:32 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:33.500331 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:33.500370 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:33 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:33 DEBUG : Looking for writers
2026/02/21 05:35:33 DEBUG : >WaitForWriters: 
2026/02/21 05:35:33 ERROR : error listing: directory not found
--- FAIL: TestDirOpen (0.71s)
=== RUN   TestDirCreate
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:33 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:33 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:34.338048 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:34.338082 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:34 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:34 DEBUG : Looking for writers
2026/02/21 05:35:34 DEBUG : >WaitForWriters: 
2026/02/21 05:35:34 ERROR : error listing: directory not found
--- FAIL: TestDirCreate (0.84s)
=== RUN   TestDirMkdir
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:34 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:34 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:35.400778 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:35.400807 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:35 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:35 DEBUG : Looking for writers
2026/02/21 05:35:35 DEBUG : >WaitForWriters: 
2026/02/21 05:35:35 ERROR : error listing: directory not found
--- FAIL: TestDirMkdir (1.02s)
=== RUN   TestDirMkdirSub
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:35 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:35 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:36.026886 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:36.026908 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:36 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:36 DEBUG : Looking for writers
2026/02/21 05:35:36 DEBUG : >WaitForWriters: 
2026/02/21 05:35:36 ERROR : error listing: directory not found
--- FAIL: TestDirMkdirSub (0.60s)
=== RUN   TestDirRemove
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:36 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:36 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:36.854691 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:36.854735 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:36 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:36 DEBUG : Looking for writers
2026/02/21 05:35:36 DEBUG : >WaitForWriters: 
2026/02/21 05:35:37 ERROR : error listing: directory not found
--- FAIL: TestDirRemove (1.00s)
=== RUN   TestDirRemoveAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:37 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:37 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:37.867547 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:37.867570 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:37 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:37 DEBUG : Looking for writers
2026/02/21 05:35:37 DEBUG : >WaitForWriters: 
2026/02/21 05:35:37 ERROR : error listing: directory not found
--- FAIL: TestDirRemoveAll (0.85s)
=== RUN   TestDirRemoveName
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:37 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:37 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:38.671856 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:38.671877 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:38 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:38 DEBUG : Looking for writers
2026/02/21 05:35:38 DEBUG : >WaitForWriters: 
2026/02/21 05:35:38 ERROR : error listing: directory not found
--- FAIL: TestDirRemoveName (0.86s)
=== RUN   TestDirRename
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:38 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:38 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:39.388966 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:39.388985 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:39 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:39 DEBUG : Looking for writers
2026/02/21 05:35:39 DEBUG : >WaitForWriters: 
2026/02/21 05:35:39 ERROR : error listing: directory not found
--- FAIL: TestDirRename (0.71s)
=== RUN   TestDirFileOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:39 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:39 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:40.026112 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:40.026149 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:40 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:40 DEBUG : Looking for writers
2026/02/21 05:35:40 DEBUG : >WaitForWriters: 
2026/02/21 05:35:40 ERROR : error listing: directory not found
--- FAIL: TestDirFileOpen (0.63s)
=== RUN   TestDirMetadataExtension
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:40 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:40 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:40.653315 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:40.653344 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:40 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:40 DEBUG : Looking for writers
2026/02/21 05:35:40 DEBUG : >WaitForWriters: 
2026/02/21 05:35:40 ERROR : error listing: directory not found
--- FAIL: TestDirMetadataExtension (0.58s)
=== RUN   TestFileMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:40 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:40 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:41.352862 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:41.352893 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:41 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:41 DEBUG : Looking for writers
2026/02/21 05:35:41 DEBUG : >WaitForWriters: 
2026/02/21 05:35:41 ERROR : error listing: directory not found
--- FAIL: TestFileMethods (0.70s)
=== RUN   TestFileSetModTime
=== RUN   TestFileSetModTime/cache=off,open=false,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:41 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:41 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:42.193473 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:42.193493 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:42 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:42 DEBUG : Looking for writers
2026/02/21 05:35:42 DEBUG : >WaitForWriters: 
2026/02/21 05:35:42 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-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:42 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:42 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:42.924257 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:42.924288 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:42 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:42 DEBUG : Looking for writers
2026/02/21 05:35:42 DEBUG : >WaitForWriters: 
2026/02/21 05:35:43 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-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:43 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:43 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:43.671474 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:43.671509 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:43 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:43 DEBUG : Looking for writers
2026/02/21 05:35:43 DEBUG : >WaitForWriters: 
2026/02/21 05:35:43 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-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:43 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:43 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:35:43 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:43 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:43 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:43 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:43 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:43 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:43 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:43 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:43 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:35:44.411103 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:44.411145 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:44 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:44 DEBUG : Looking for writers
2026/02/21 05:35:44 DEBUG : >WaitForWriters: 
2026/02/21 05:35:44 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:35:44 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-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:44 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:44 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:35:44 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:44 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:44 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:44 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:44 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:44 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:44 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:44 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:44 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:35:45.434906 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:45.434942 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:45 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:45 DEBUG : Looking for writers
2026/02/21 05:35:45 DEBUG : >WaitForWriters: 
2026/02/21 05:35:45 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:35:45 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-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:45 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:45 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:35:45 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:45 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:45 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:45 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:45 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:45 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:45 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:45 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:45 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:35:46.427046 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:46.427089 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:46 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:46 DEBUG : Looking for writers
2026/02/21 05:35:46 DEBUG : >WaitForWriters: 
2026/02/21 05:35:46 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:35:46 ERROR : error listing: directory not found
--- FAIL: TestFileSetModTime (5.13s)
    --- FAIL: TestFileSetModTime/cache=off,open=false,write=false (0.92s)
    --- FAIL: TestFileSetModTime/cache=off,open=true,write=false (0.71s)
    --- FAIL: TestFileSetModTime/cache=off,open=true,write=true (0.74s)
    --- FAIL: TestFileSetModTime/cache=full,open=false,write=false (0.84s)
    --- FAIL: TestFileSetModTime/cache=full,open=true,write=false (0.93s)
    --- FAIL: TestFileSetModTime/cache=full,open=true,write=true (0.99s)
=== RUN   TestFileOpenRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:46 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:46 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:47.368006 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:47.368031 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:47 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:47 DEBUG : Looking for writers
2026/02/21 05:35:47 DEBUG : >WaitForWriters: 
2026/02/21 05:35:47 ERROR : error listing: directory not found
--- FAIL: TestFileOpenRead (0.93s)
=== RUN   TestFileOpenWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:47 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:47 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:48.032218 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:48.032256 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:48 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:48 DEBUG : Looking for writers
2026/02/21 05:35:48 DEBUG : >WaitForWriters: 
2026/02/21 05:35:48 ERROR : error listing: directory not found
--- FAIL: TestFileOpenWrite (0.71s)
=== RUN   TestFileRemove
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:48 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:48 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:49.377601 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:49.384912 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:49 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:49 DEBUG : Looking for writers
2026/02/21 05:35:49 DEBUG : >WaitForWriters: 
2026/02/21 05:35:49 ERROR : error listing: directory not found
--- FAIL: TestFileRemove (1.48s)
=== RUN   TestFileRemoveAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:49 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:49 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:50.311546 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:50.312168 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:50 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:50 DEBUG : Looking for writers
2026/02/21 05:35:50 DEBUG : >WaitForWriters: 
2026/02/21 05:35:50 ERROR : error listing: directory not found
--- FAIL: TestFileRemoveAll (0.70s)
=== RUN   TestFileOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:50 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:50 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:50.974525 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:50.974557 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:50 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:50 DEBUG : Looking for writers
2026/02/21 05:35:50 DEBUG : >WaitForWriters: 
2026/02/21 05:35:51 ERROR : error listing: directory not found
--- FAIL: TestFileOpen (0.73s)
=== RUN   TestFileRename
=== RUN   TestFileRename/off,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:51 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:51 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:51.888765 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:51.888787 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:51 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:51 DEBUG : Looking for writers
2026/02/21 05:35:51 DEBUG : >WaitForWriters: 
2026/02/21 05:35:52 ERROR : error listing: directory not found
=== RUN   TestFileRename/minimal,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:52 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:52 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:52 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:35:52 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:52 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:52 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:52 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:52 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:52 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:52 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:52 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:52 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:35:52.869702 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:52.869727 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:52 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:52 DEBUG : Looking for writers
2026/02/21 05:35:52 DEBUG : >WaitForWriters: 
2026/02/21 05:35:52 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:35:53 ERROR : error listing: directory not found
=== RUN   TestFileRename/minimal,forceCache=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:53 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:53 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:53 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:35:53 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:53 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:53 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:53 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:53 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:53 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:53 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:53 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:53 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:35:53.882661 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:53.882680 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:53 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:53 DEBUG : Looking for writers
2026/02/21 05:35:53 DEBUG : >WaitForWriters: 
2026/02/21 05:35:53 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:35:54 ERROR : error listing: directory not found
=== RUN   TestFileRename/writes,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:54 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:54 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:35:54 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:54 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:54 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:54 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:54 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:54 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:54 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:54 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:54 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:35:54.783692 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:54.783720 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:54 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:54 DEBUG : Looking for writers
2026/02/21 05:35:54 DEBUG : >WaitForWriters: 
2026/02/21 05:35:54 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:35:54 ERROR : error listing: directory not found
=== RUN   TestFileRename/writes,forceCache=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:54 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:54 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:35:54 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:54 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:54 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:54 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:54 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:54 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:54 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:54 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:54 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:35:55.783413 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:55.783461 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:55 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:55 DEBUG : Looking for writers
2026/02/21 05:35:55 DEBUG : >WaitForWriters: 
2026/02/21 05:35:55 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:35:55 ERROR : error listing: directory not found
=== RUN   TestFileRename/full,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:55 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:55 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:35:55 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:55 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:55 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:55 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:55 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:55 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:55 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:35:55 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:35:55 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:35:56.548828 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:56.548857 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:56 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:56 DEBUG : Looking for writers
2026/02/21 05:35:56 DEBUG : >WaitForWriters: 
2026/02/21 05:35:56 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:35:56 ERROR : error listing: directory not found
--- FAIL: TestFileRename (5.52s)
    --- FAIL: TestFileRename/off,forceCache=false (0.88s)
    --- FAIL: TestFileRename/minimal,forceCache=false (0.98s)
    --- FAIL: TestFileRename/minimal,forceCache=true (1.02s)
    --- FAIL: TestFileRename/writes,forceCache=false (0.90s)
    --- FAIL: TestFileRename/writes,forceCache=true (1.00s)
    --- FAIL: TestFileRename/full,forceCache=false (0.72s)
=== RUN   TestReadFileHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:56 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:56 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:57.403623 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:57.403673 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:57 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:57 DEBUG : Looking for writers
2026/02/21 05:35:57 DEBUG : >WaitForWriters: 
2026/02/21 05:35:57 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleMethods (0.89s)
=== RUN   TestReadFileHandleSeek
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:57 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:57 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:58.374722 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:58.374754 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:58 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:58 DEBUG : Looking for writers
2026/02/21 05:35:58 DEBUG : >WaitForWriters: 
2026/02/21 05:35:58 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleSeek (0.91s)
=== RUN   TestReadFileHandleReadAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:58 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:58 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:59.026980 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:59.027009 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:59 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:59 DEBUG : Looking for writers
2026/02/21 05:35:59 DEBUG : >WaitForWriters: 
2026/02/21 05:35:59 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleReadAt (0.71s)
=== RUN   TestReadFileHandleFlush
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:59 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:59 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:35:59.781954 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:35:59.781981 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:35:59 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:35:59 DEBUG : Looking for writers
2026/02/21 05:35:59 DEBUG : >WaitForWriters: 
2026/02/21 05:35:59 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleFlush (0.69s)
=== RUN   TestReadFileHandleRelease
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:35:59 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:35:59 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:36:00.395799 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:00.395818 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:00 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:36:00 DEBUG : Looking for writers
2026/02/21 05:36:00 DEBUG : >WaitForWriters: 
2026/02/21 05:36:00 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleRelease (0.69s)
=== RUN   TestRWFileHandleMethodsRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:36:00 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:36:00 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:36:00 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:00 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:00 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:00 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:36:00 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:00 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:00 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:36:00 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:00 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:36:01.405372 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:01.405397 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:01 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:36:01 DEBUG : Looking for writers
2026/02/21 05:36:01 DEBUG : >WaitForWriters: 
2026/02/21 05:36:01 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:36:01 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleMethodsRead (1.01s)
=== RUN   TestRWFileHandleSeek
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:36:01 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:36:01 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:36:01 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:01 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:01 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:01 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:36:01 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:01 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:01 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:36:01 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:01 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:36:02.389634 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:02.390334 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:02 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:36:02 DEBUG : Looking for writers
2026/02/21 05:36:02 DEBUG : >WaitForWriters: 
2026/02/21 05:36:02 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:36:02 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSeek (0.98s)
=== RUN   TestRWFileHandleReadAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:36:02 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:36:02 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:36:02 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:02 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:02 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:02 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:36:02 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:02 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:02 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:36:02 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:02 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:36:03.261805 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:03.261835 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:03 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:36:03 DEBUG : Looking for writers
2026/02/21 05:36:03 DEBUG : >WaitForWriters: 
2026/02/21 05:36:03 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:36:03 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleReadAt (0.90s)
=== RUN   TestRWFileHandleFlushRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:36:03 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:36:03 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:36:03 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:03 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:03 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:03 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:36:03 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:03 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:03 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:36:03 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:03 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:36:04.111700 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:04.111730 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:04 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:36:04 DEBUG : Looking for writers
2026/02/21 05:36:04 DEBUG : >WaitForWriters: 
2026/02/21 05:36:04 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:36:04 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleFlushRead (0.82s)
=== RUN   TestRWFileHandleReleaseRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:36:04 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:36:04 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:36:04 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:04 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:04 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:04 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:36:04 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:04 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:04 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:36:04 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:04 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:36:05.047805 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:05.047828 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:05 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:36:05 DEBUG : Looking for writers
2026/02/21 05:36:05 DEBUG : >WaitForWriters: 
2026/02/21 05:36:05 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:36:05 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleReleaseRead (0.95s)
=== RUN   TestRWFileHandleMethodsWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:36:05 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:36:05 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:36:05 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:05 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:05 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:05 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:36:05 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:05 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:05 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:36:05 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:36:05 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:36:05 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:36:05 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:36:05 DEBUG : file1: newRWFileHandle: 
2026/02/21 05:36:05 DEBUG : file1(0xc000707f00): openPending: 
2026/02/21 05:36:05 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/02/21 05:36:05 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:36:05 DEBUG : file1(0xc000707f00): >openPending: err=<nil>
2026/02/21 05:36:05 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/02/21 05:36:05 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:36:05 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/02/21 05:36:05 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/02/21 05:36:05 DEBUG : file1(0xc000707f00): _writeAt: size=5, off=0
2026/02/21 05:36:05 DEBUG : file1(0xc000707f00): >_writeAt: n=5, err=<nil>
2026/02/21 05:36:05 DEBUG : file1(0xc000707f00): _writeAt: size=7, off=5
2026/02/21 05:36:05 DEBUG : file1(0xc000707f00): >_writeAt: n=7, err=<nil>
2026/02/21 05:36:05 DEBUG : file1: vfs cache: truncate to size=11
2026/02/21 05:36:05 DEBUG : file1(0xc000707f00): close: 
2026/02/21 05:36:05 DEBUG : file1: vfs cache: setting modification time to 2026-02-21 05:36:05.31938714 +0000 UTC m=+91.049315874
2026/02/21 05:36:05 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/02/21 05:36:05 DEBUG : file1(0xc000707f00): >close: err=<nil>
2026/02/21 05:36:05 DEBUG : file1(0xc000707f00): close: 
2026/02/21 05:36:05 DEBUG : file1(0xc000707f00): >close: err=file already closed
2026/02/21 05:36:05 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:36:05 DEBUG : Looking for writers
2026/02/21 05:36:05 DEBUG : file1: reading active writers
2026/02/21 05:36:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/02/21 05:36:05 DEBUG : Looking for writers
2026/02/21 05:36:05 DEBUG : file1: reading active writers
2026/02/21 05:36:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/02/21 05:36:05 DEBUG : Looking for writers
2026/02/21 05:36:05 DEBUG : file1: reading active writers
2026/02/21 05:36:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/02/21 05:36:05 DEBUG : Looking for writers
2026/02/21 05:36:05 DEBUG : file1: reading active writers
2026/02/21 05:36:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/02/21 05:36:05 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:36:05 DEBUG : Looking for writers
2026/02/21 05:36:05 DEBUG : file1: reading active writers
2026/02/21 05:36:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/02/21 05:36:05 DEBUG : Looking for writers
2026/02/21 05:36:05 DEBUG : file1: reading active writers
2026/02/21 05:36:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/02/21 05:36:05 DEBUG : Looking for writers
2026/02/21 05:36:05 DEBUG : file1: reading active writers
2026/02/21 05:36:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/02/21 05:36:06.080142 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:06.080173 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:06 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)
2026/02/21 05:36:06 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)
2026/02/21 05:36:06 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:36:06 DEBUG : Looking for writers
2026/02/21 05:36:06 DEBUG : file1: reading active writers
2026/02/21 05:36:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:07.063820 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:07.063878 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:07 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:07 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)
2026/02/21 05:36:07 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:36:07 DEBUG : Looking for writers
2026/02/21 05:36:07 DEBUG : file1: reading active writers
2026/02/21 05:36:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:08.189178 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:08.189204 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:08 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)
2026/02/21 05:36:08 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)
2026/02/21 05:36:08 DEBUG : Looking for writers
2026/02/21 05:36:08 DEBUG : file1: reading active writers
2026/02/21 05:36:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:08 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:36:09 DEBUG : Looking for writers
2026/02/21 05:36:09 DEBUG : file1: reading active writers
2026/02/21 05:36:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:09.963095 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:09.963123 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:09 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)
2026/02/21 05:36:09 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)
2026/02/21 05:36:10 DEBUG : Looking for writers
2026/02/21 05:36:10 DEBUG : file1: reading active writers
2026/02/21 05:36:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:11 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:36:11 DEBUG : Looking for writers
2026/02/21 05:36:11 DEBUG : file1: reading active writers
2026/02/21 05:36:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:12.507919 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:12.507942 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:12 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)
2026/02/21 05:36:12 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)
2026/02/21 05:36:12 DEBUG : Looking for writers
2026/02/21 05:36:12 DEBUG : file1: reading active writers
2026/02/21 05:36:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:13 DEBUG : Looking for writers
2026/02/21 05:36:13 DEBUG : file1: reading active writers
2026/02/21 05:36:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:14 DEBUG : Looking for writers
2026/02/21 05:36:14 DEBUG : file1: reading active writers
2026/02/21 05:36:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:15 DEBUG : Looking for writers
2026/02/21 05:36:15 DEBUG : file1: reading active writers
2026/02/21 05:36:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:15 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:36:16.519181 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:16.519211 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:16 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:16 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)
2026/02/21 05:36:16 DEBUG : Looking for writers
2026/02/21 05:36:16 DEBUG : file1: reading active writers
2026/02/21 05:36:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:17 DEBUG : Looking for writers
2026/02/21 05:36:17 DEBUG : file1: reading active writers
2026/02/21 05:36:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:18 DEBUG : Looking for writers
2026/02/21 05:36:18 DEBUG : file1: reading active writers
2026/02/21 05:36:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:19 DEBUG : Looking for writers
2026/02/21 05:36:19 DEBUG : file1: reading active writers
2026/02/21 05:36:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:20 DEBUG : Looking for writers
2026/02/21 05:36:20 DEBUG : file1: reading active writers
2026/02/21 05:36:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:21 DEBUG : Looking for writers
2026/02/21 05:36:21 DEBUG : file1: reading active writers
2026/02/21 05:36:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:22 DEBUG : Looking for writers
2026/02/21 05:36:22 DEBUG : file1: reading active writers
2026/02/21 05:36:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:22 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:36:23 DEBUG : Looking for writers
2026/02/21 05:36:23 DEBUG : file1: reading active writers
2026/02/21 05:36:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:23.779220 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:23.779254 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:23 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)
2026/02/21 05:36:23 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)
2026/02/21 05:36:24 DEBUG : Looking for writers
2026/02/21 05:36:24 DEBUG : file1: reading active writers
2026/02/21 05:36:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:25 DEBUG : Looking for writers
2026/02/21 05:36:25 DEBUG : file1: reading active writers
2026/02/21 05:36:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:26 DEBUG : Looking for writers
2026/02/21 05:36:26 DEBUG : file1: reading active writers
2026/02/21 05:36:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:27 DEBUG : Looking for writers
2026/02/21 05:36:27 DEBUG : file1: reading active writers
2026/02/21 05:36:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:28 DEBUG : Looking for writers
2026/02/21 05:36:28 DEBUG : file1: reading active writers
2026/02/21 05:36:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:29 DEBUG : Looking for writers
2026/02/21 05:36:29 DEBUG : file1: reading active writers
2026/02/21 05:36:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:30 DEBUG : Looking for writers
2026/02/21 05:36:30 DEBUG : file1: reading active writers
2026/02/21 05:36:30 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:31 DEBUG : Looking for writers
2026/02/21 05:36:31 DEBUG : file1: reading active writers
2026/02/21 05:36:31 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:32 DEBUG : Looking for writers
2026/02/21 05:36:32 DEBUG : file1: reading active writers
2026/02/21 05:36:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:33 DEBUG : Looking for writers
2026/02/21 05:36:33 DEBUG : file1: reading active writers
2026/02/21 05:36:33 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:34 DEBUG : Looking for writers
2026/02/21 05:36:34 DEBUG : file1: reading active writers
2026/02/21 05:36:34 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:35 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc000be8e10 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc0000ef508 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824634701120} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14005753873928123908 ext:91049315874 loc:0x4586480} ATime:{wall:14005753873928981564 ext:91050173541 loc:0x4586480} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/02/21 05:36:35 DEBUG : >WaitForWriters: 
2026/02/21 05:36:35 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
2026/02/21 05:36:36 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:36:36 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
2026/02/21 05:36:37.929781 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:36:37.929815 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:36:37 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)
2026/02/21 05:36:37 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
2026/02/21 05:36:39 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
2026/02/21 05:36:43 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:36:43 DEBUG : Looking for writers
2026/02/21 05:36:43 DEBUG : file1: reading active writers
2026/02/21 05:36:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/02/21 05:36:43 DEBUG : Looking for writers
2026/02/21 05:36:43 DEBUG : file1: reading active writers
2026/02/21 05:36:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/02/21 05:36:43 DEBUG : Looking for writers
2026/02/21 05:36:43 DEBUG : file1: reading active writers
2026/02/21 05:36:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/02/21 05:36:43 DEBUG : Looking for writers
2026/02/21 05:36:43 DEBUG : file1: reading active writers
2026/02/21 05:36:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/02/21 05:36:43 DEBUG : Looking for writers
2026/02/21 05:36:43 DEBUG : file1: reading active writers
2026/02/21 05:36:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/02/21 05:36:43 DEBUG : Looking for writers
2026/02/21 05:36:43 DEBUG : file1: reading active writers
2026/02/21 05:36:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/02/21 05:36:44 DEBUG : Looking for writers
2026/02/21 05:36:44 DEBUG : file1: reading active writers
2026/02/21 05:36:44 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/02/21 05:36:44 DEBUG : Looking for writers
2026/02/21 05:36:44 DEBUG : file1: reading active writers
2026/02/21 05:36:44 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:45 DEBUG : Looking for writers
2026/02/21 05:36:45 DEBUG : file1: reading active writers
2026/02/21 05:36:45 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:46 DEBUG : Looking for writers
2026/02/21 05:36:46 DEBUG : file1: reading active writers
2026/02/21 05:36:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:47 DEBUG : Looking for writers
2026/02/21 05:36:47 DEBUG : file1: reading active writers
2026/02/21 05:36:47 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:48 DEBUG : Looking for writers
2026/02/21 05:36:48 DEBUG : file1: reading active writers
2026/02/21 05:36:48 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:49 DEBUG : Looking for writers
2026/02/21 05:36:49 DEBUG : file1: reading active writers
2026/02/21 05:36:49 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:50 DEBUG : Looking for writers
2026/02/21 05:36:50 DEBUG : file1: reading active writers
2026/02/21 05:36:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:51 DEBUG : Looking for writers
2026/02/21 05:36:51 DEBUG : file1: reading active writers
2026/02/21 05:36:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:52 DEBUG : Looking for writers
2026/02/21 05:36:52 DEBUG : file1: reading active writers
2026/02/21 05:36:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:53 DEBUG : Looking for writers
2026/02/21 05:36:53 DEBUG : file1: reading active writers
2026/02/21 05:36:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:54 DEBUG : Looking for writers
2026/02/21 05:36:54 DEBUG : file1: reading active writers
2026/02/21 05:36:54 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:55 DEBUG : Looking for writers
2026/02/21 05:36:55 DEBUG : file1: reading active writers
2026/02/21 05:36:55 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:56 DEBUG : Looking for writers
2026/02/21 05:36:56 DEBUG : file1: reading active writers
2026/02/21 05:36:56 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:57 DEBUG : Looking for writers
2026/02/21 05:36:57 DEBUG : file1: reading active writers
2026/02/21 05:36:57 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:58 DEBUG : Looking for writers
2026/02/21 05:36:58 DEBUG : file1: reading active writers
2026/02/21 05:36:58 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:36:59 DEBUG : Looking for writers
2026/02/21 05:36:59 DEBUG : file1: reading active writers
2026/02/21 05:36:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:00 DEBUG : Looking for writers
2026/02/21 05:37:00 DEBUG : file1: reading active writers
2026/02/21 05:37:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:01 DEBUG : Looking for writers
2026/02/21 05:37:01 DEBUG : file1: reading active writers
2026/02/21 05:37:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:02 DEBUG : Looking for writers
2026/02/21 05:37:02 DEBUG : file1: reading active writers
2026/02/21 05:37:02 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:03 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:37:03 DEBUG : Looking for writers
2026/02/21 05:37:03 DEBUG : file1: reading active writers
2026/02/21 05:37:03 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:04 DEBUG : Looking for writers
2026/02/21 05:37:04 DEBUG : file1: reading active writers
2026/02/21 05:37:04 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:04.809640 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:37:04.809692 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:04 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)
2026/02/21 05:37:04 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)
2026/02/21 05:37:05 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/02/21 05:37:05 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 1 (was 1) in use 1, to upload 1, uploading 0, total size 11 (was 11)
2026/02/21 05:37:05 DEBUG : Looking for writers
2026/02/21 05:37:05 DEBUG : file1: reading active writers
2026/02/21 05:37:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:06 DEBUG : Looking for writers
2026/02/21 05:37:06 DEBUG : file1: reading active writers
2026/02/21 05:37:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:07 DEBUG : Looking for writers
2026/02/21 05:37:07 DEBUG : file1: reading active writers
2026/02/21 05:37:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:08 DEBUG : Looking for writers
2026/02/21 05:37:08 DEBUG : file1: reading active writers
2026/02/21 05:37:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:09 DEBUG : Looking for writers
2026/02/21 05:37:09 DEBUG : file1: reading active writers
2026/02/21 05:37:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:10 DEBUG : Looking for writers
2026/02/21 05:37:10 DEBUG : file1: reading active writers
2026/02/21 05:37:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:11 DEBUG : Looking for writers
2026/02/21 05:37:11 DEBUG : file1: reading active writers
2026/02/21 05:37:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:12 DEBUG : Looking for writers
2026/02/21 05:37:12 DEBUG : file1: reading active writers
2026/02/21 05:37:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:13 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc000be8e10 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc0000ef508 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824634701120} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14005753873928123908 ext:91049315874 loc:0x4586480} ATime:{wall:14005753873928981564 ext:91050173541 loc:0x4586480} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/02/21 05:37:13 DEBUG : >WaitForWriters: 
2026/02/21 05:37:13 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:37:13 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleMethodsWrite (68.36s)
=== RUN   TestRWFileHandleWriteAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:37:13 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:37:13 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:37:13 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:37:13 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:37:13 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:37:13 DEBUG : Config file has changed externally - reloading
2026/02/21 05:37:13 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:37:13 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:37:13 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:37:13 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:37:13 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:37:13 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:37:13 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:37:13 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:37:13 DEBUG : file1: newRWFileHandle: 
2026/02/21 05:37:13 DEBUG : file1(0xc0000c3480): openPending: 
2026/02/21 05:37:13 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/02/21 05:37:13 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:37:13 DEBUG : file1(0xc0000c3480): >openPending: err=<nil>
2026/02/21 05:37:13 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/02/21 05:37:13 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:37:13 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/02/21 05:37:13 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/02/21 05:37:13 DEBUG : file1(0xc0000c3480): _writeAt: size=7, off=0
2026/02/21 05:37:13 DEBUG : file1(0xc0000c3480): >_writeAt: n=7, err=<nil>
2026/02/21 05:37:13 DEBUG : file1(0xc0000c3480): _writeAt: size=6, off=5
2026/02/21 05:37:13 DEBUG : file1(0xc0000c3480): >_writeAt: n=6, err=<nil>
2026/02/21 05:37:13 DEBUG : file1(0xc0000c3480): close: 
2026/02/21 05:37:13 DEBUG : file1: vfs cache: setting modification time to 2026-02-21 05:37:13.748881484 +0000 UTC m=+159.478810188
2026/02/21 05:37:13 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/02/21 05:37:13 DEBUG : file1(0xc0000c3480): >close: err=<nil>
2026/02/21 05:37:13 DEBUG : file1(0xc0000c3480): _writeAt: size=5, off=0
2026/02/21 05:37:13 DEBUG : file1(0xc0000c3480): >_writeAt: n=0, err=file already closed
2026/02/21 05:37:13 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:37:13 DEBUG : Looking for writers
2026/02/21 05:37:13 DEBUG : file1: reading active writers
2026/02/21 05:37:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/02/21 05:37:13 DEBUG : Looking for writers
2026/02/21 05:37:13 DEBUG : file1: reading active writers
2026/02/21 05:37:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/02/21 05:37:13 DEBUG : Looking for writers
2026/02/21 05:37:13 DEBUG : file1: reading active writers
2026/02/21 05:37:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/02/21 05:37:13 DEBUG : Looking for writers
2026/02/21 05:37:13 DEBUG : file1: reading active writers
2026/02/21 05:37:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/02/21 05:37:13 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:37:13 DEBUG : Looking for writers
2026/02/21 05:37:13 DEBUG : file1: reading active writers
2026/02/21 05:37:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/02/21 05:37:14 DEBUG : Looking for writers
2026/02/21 05:37:14 DEBUG : file1: reading active writers
2026/02/21 05:37:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/02/21 05:37:14 DEBUG : Looking for writers
2026/02/21 05:37:14 DEBUG : file1: reading active writers
2026/02/21 05:37:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/02/21 05:37:14.543123 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:37:14.543199 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:14 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)
2026/02/21 05:37:14 ERROR : file1: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:14 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:37:15 DEBUG : Looking for writers
2026/02/21 05:37:15 DEBUG : file1: reading active writers
2026/02/21 05:37:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:15.627786 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:37:15.627808 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:15 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:15 ERROR : file1: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:16 DEBUG : Looking for writers
2026/02/21 05:37:16 DEBUG : file1: reading active writers
2026/02/21 05:37:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:16 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:37:16.946907 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:37:16.946937 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:16 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:16 ERROR : file1: vfs cache: failed to upload try #3, will retry in 800ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:17 DEBUG : Looking for writers
2026/02/21 05:37:17 DEBUG : file1: reading active writers
2026/02/21 05:37:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:17 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:37:18 DEBUG : Looking for writers
2026/02/21 05:37:18 DEBUG : file1: reading active writers
2026/02/21 05:37:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:18.537605 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:37:18.537635 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:18 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)
2026/02/21 05:37:18 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)
2026/02/21 05:37:19 DEBUG : Looking for writers
2026/02/21 05:37:19 DEBUG : file1: reading active writers
2026/02/21 05:37:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:20 DEBUG : Looking for writers
2026/02/21 05:37:20 DEBUG : file1: reading active writers
2026/02/21 05:37:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:20 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:37:21 DEBUG : Looking for writers
2026/02/21 05:37:21 DEBUG : file1: reading active writers
2026/02/21 05:37:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:21.052517 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:37:21.052541 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:21 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)
2026/02/21 05:37:21 ERROR : file1: vfs cache: failed to upload try #5, will retry in 3.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:22 DEBUG : Looking for writers
2026/02/21 05:37:22 DEBUG : file1: reading active writers
2026/02/21 05:37:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:23 DEBUG : Looking for writers
2026/02/21 05:37:23 DEBUG : file1: reading active writers
2026/02/21 05:37:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:24 DEBUG : Looking for writers
2026/02/21 05:37:24 DEBUG : file1: reading active writers
2026/02/21 05:37:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:24 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:37:25 DEBUG : Looking for writers
2026/02/21 05:37:25 DEBUG : file1: reading active writers
2026/02/21 05:37:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:25.177148 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:37:25.177166 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:25 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)
2026/02/21 05:37:25 ERROR : file1: vfs cache: failed to upload try #6, will retry in 6.4s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:26 DEBUG : Looking for writers
2026/02/21 05:37:26 DEBUG : file1: reading active writers
2026/02/21 05:37:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:27 DEBUG : Looking for writers
2026/02/21 05:37:27 DEBUG : file1: reading active writers
2026/02/21 05:37:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:28 DEBUG : Looking for writers
2026/02/21 05:37:28 DEBUG : file1: reading active writers
2026/02/21 05:37:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:29 DEBUG : Looking for writers
2026/02/21 05:37:29 DEBUG : file1: reading active writers
2026/02/21 05:37:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:30 DEBUG : Looking for writers
2026/02/21 05:37:30 DEBUG : file1: reading active writers
2026/02/21 05:37:30 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:31 DEBUG : Looking for writers
2026/02/21 05:37:31 DEBUG : file1: reading active writers
2026/02/21 05:37:31 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:31 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:37:32 DEBUG : Looking for writers
2026/02/21 05:37:32 DEBUG : file1: reading active writers
2026/02/21 05:37:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:32.542376 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:37:32.542401 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:32 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:32 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)
2026/02/21 05:37:33 DEBUG : Looking for writers
2026/02/21 05:37:33 DEBUG : file1: reading active writers
2026/02/21 05:37:33 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:34 DEBUG : Looking for writers
2026/02/21 05:37:34 DEBUG : file1: reading active writers
2026/02/21 05:37:34 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:35 DEBUG : Looking for writers
2026/02/21 05:37:35 DEBUG : file1: reading active writers
2026/02/21 05:37:35 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:36 DEBUG : Looking for writers
2026/02/21 05:37:36 DEBUG : file1: reading active writers
2026/02/21 05:37:36 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:37 DEBUG : Looking for writers
2026/02/21 05:37:37 DEBUG : file1: reading active writers
2026/02/21 05:37:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:38 DEBUG : Looking for writers
2026/02/21 05:37:38 DEBUG : file1: reading active writers
2026/02/21 05:37:38 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:39 DEBUG : Looking for writers
2026/02/21 05:37:39 DEBUG : file1: reading active writers
2026/02/21 05:37:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:40 DEBUG : Looking for writers
2026/02/21 05:37:40 DEBUG : file1: reading active writers
2026/02/21 05:37:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:41 DEBUG : Looking for writers
2026/02/21 05:37:41 DEBUG : file1: reading active writers
2026/02/21 05:37:41 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:42 DEBUG : Looking for writers
2026/02/21 05:37:42 DEBUG : file1: reading active writers
2026/02/21 05:37:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:43 DEBUG : Looking for writers
2026/02/21 05:37:43 DEBUG : file1: reading active writers
2026/02/21 05:37:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:43 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc00091ca50 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000a20008 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824644337728} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14005753947372062284 ext:159478810188 loc:0x4586480} ATime:{wall:14005753947372074767 ext:159478822672 loc:0x4586480} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/02/21 05:37:43 DEBUG : >WaitForWriters: 
2026/02/21 05:37:43 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
2026/02/21 05:37:45 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:37:45 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
2026/02/21 05:37:46.274585 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:37:46.274618 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:46 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:37:46 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
2026/02/21 05:37:47 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go: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
2026/02/21 05:37:51 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:37:51 DEBUG : Looking for writers
2026/02/21 05:37:51 DEBUG : file1: reading active writers
2026/02/21 05:37:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/02/21 05:37:51 DEBUG : Looking for writers
2026/02/21 05:37:51 DEBUG : file1: reading active writers
2026/02/21 05:37:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/02/21 05:37:51 DEBUG : Looking for writers
2026/02/21 05:37:51 DEBUG : file1: reading active writers
2026/02/21 05:37:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/02/21 05:37:51 DEBUG : Looking for writers
2026/02/21 05:37:51 DEBUG : file1: reading active writers
2026/02/21 05:37:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/02/21 05:37:52 DEBUG : Looking for writers
2026/02/21 05:37:52 DEBUG : file1: reading active writers
2026/02/21 05:37:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/02/21 05:37:52 DEBUG : Looking for writers
2026/02/21 05:37:52 DEBUG : file1: reading active writers
2026/02/21 05:37:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/02/21 05:37:52 DEBUG : Looking for writers
2026/02/21 05:37:52 DEBUG : file1: reading active writers
2026/02/21 05:37:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/02/21 05:37:53 DEBUG : Looking for writers
2026/02/21 05:37:53 DEBUG : file1: reading active writers
2026/02/21 05:37:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:54 DEBUG : Looking for writers
2026/02/21 05:37:54 DEBUG : file1: reading active writers
2026/02/21 05:37:54 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:55 DEBUG : Looking for writers
2026/02/21 05:37:55 DEBUG : file1: reading active writers
2026/02/21 05:37:55 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:56 DEBUG : Looking for writers
2026/02/21 05:37:56 DEBUG : file1: reading active writers
2026/02/21 05:37:56 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:57 DEBUG : Looking for writers
2026/02/21 05:37:57 DEBUG : file1: reading active writers
2026/02/21 05:37:57 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:58 DEBUG : Looking for writers
2026/02/21 05:37:58 DEBUG : file1: reading active writers
2026/02/21 05:37:58 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:37:59 DEBUG : Looking for writers
2026/02/21 05:37:59 DEBUG : file1: reading active writers
2026/02/21 05:37:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:00 DEBUG : Looking for writers
2026/02/21 05:38:00 DEBUG : file1: reading active writers
2026/02/21 05:38:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:01 DEBUG : Looking for writers
2026/02/21 05:38:01 DEBUG : file1: reading active writers
2026/02/21 05:38:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:02 DEBUG : Looking for writers
2026/02/21 05:38:02 DEBUG : file1: reading active writers
2026/02/21 05:38:02 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:03 DEBUG : Looking for writers
2026/02/21 05:38:03 DEBUG : file1: reading active writers
2026/02/21 05:38:03 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:04 DEBUG : Looking for writers
2026/02/21 05:38:04 DEBUG : file1: reading active writers
2026/02/21 05:38:04 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:05 DEBUG : Looking for writers
2026/02/21 05:38:05 DEBUG : file1: reading active writers
2026/02/21 05:38:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:06 DEBUG : Looking for writers
2026/02/21 05:38:06 DEBUG : file1: reading active writers
2026/02/21 05:38:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:07 DEBUG : Looking for writers
2026/02/21 05:38:07 DEBUG : file1: reading active writers
2026/02/21 05:38:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:08 DEBUG : Looking for writers
2026/02/21 05:38:08 DEBUG : file1: reading active writers
2026/02/21 05:38:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:09 DEBUG : Looking for writers
2026/02/21 05:38:09 DEBUG : file1: reading active writers
2026/02/21 05:38:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:10 DEBUG : Looking for writers
2026/02/21 05:38:10 DEBUG : file1: reading active writers
2026/02/21 05:38:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:11 DEBUG : Looking for writers
2026/02/21 05:38:11 DEBUG : file1: reading active writers
2026/02/21 05:38:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:11 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:38:12 DEBUG : Looking for writers
2026/02/21 05:38:12 DEBUG : file1: reading active writers
2026/02/21 05:38:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:13.091982 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:13.092009 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:13 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)
2026/02/21 05:38:13 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)
2026/02/21 05:38:13 DEBUG : Looking for writers
2026/02/21 05:38:13 DEBUG : file1: reading active writers
2026/02/21 05:38:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:13 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/02/21 05:38:13 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 1 (was 1) in use 1, to upload 1, uploading 0, total size 11 (was 11)
2026/02/21 05:38:14 DEBUG : Looking for writers
2026/02/21 05:38:14 DEBUG : file1: reading active writers
2026/02/21 05:38:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:15 DEBUG : Looking for writers
2026/02/21 05:38:15 DEBUG : file1: reading active writers
2026/02/21 05:38:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:16 DEBUG : Looking for writers
2026/02/21 05:38:16 DEBUG : file1: reading active writers
2026/02/21 05:38:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:17 DEBUG : Looking for writers
2026/02/21 05:38:17 DEBUG : file1: reading active writers
2026/02/21 05:38:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:18 DEBUG : Looking for writers
2026/02/21 05:38:18 DEBUG : file1: reading active writers
2026/02/21 05:38:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:19 DEBUG : Looking for writers
2026/02/21 05:38:19 DEBUG : file1: reading active writers
2026/02/21 05:38:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:20 DEBUG : Looking for writers
2026/02/21 05:38:20 DEBUG : file1: reading active writers
2026/02/21 05:38:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:21 DEBUG : Looking for writers
2026/02/21 05:38:21 DEBUG : file1: reading active writers
2026/02/21 05:38:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:38:21 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc00091ca50 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000a20008 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824644337728} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14005753947372062284 ext:159478810188 loc:0x4586480} ATime:{wall:14005753947372074767 ext:159478822672 loc:0x4586480} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/02/21 05:38:21 DEBUG : >WaitForWriters: 
2026/02/21 05:38:21 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:38:22 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleWriteAt (68.47s)
=== RUN   TestRWFileHandleWriteNoWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:38:22 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:38:22 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:38:22 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:38:22 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:38:22 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:38:22 DEBUG : Config file has changed externally - reloading
2026/02/21 05:38:22 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:38:22 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:38:22 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:38:22 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:38:22 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:38:22 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:38:22 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:38:22 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:38:22 DEBUG : file1: newRWFileHandle: 
2026/02/21 05:38:22 DEBUG : file1(0xc0000c3b80): openPending: 
2026/02/21 05:38:22 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/02/21 05:38:22 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:38:22 DEBUG : file1(0xc0000c3b80): >openPending: err=<nil>
2026/02/21 05:38:22 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/02/21 05:38:22 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:38:22 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/02/21 05:38:22 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/02/21 05:38:22 DEBUG : file1(0xc0000c3b80): close: 
2026/02/21 05:38:22 DEBUG : file1: vfs cache: setting modification time to 2026-02-21 05:38:22.231460289 +0000 UTC m=+227.961389003
2026/02/21 05:38:22 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/02/21 05:38:22 DEBUG : file1(0xc0000c3b80): >close: err=<nil>
2026/02/21 05:38:22 DEBUG : file2: OpenFile: flags=O_WRONLY|O_CREATE|O_TRUNC, perm=-rwxrwxrwx
2026/02/21 05:38:22 DEBUG : file2: Open: flags=O_WRONLY|O_CREATE|O_TRUNC
2026/02/21 05:38:22 DEBUG : file2: newRWFileHandle: 
2026/02/21 05:38:22 DEBUG : file2(0xc000a241c0): openPending: 
2026/02/21 05:38:22 DEBUG : file2: vfs cache: truncate to size=0 (not needed as size correct)
2026/02/21 05:38:22 DEBUG : Added virtual directory entry vAddFile: "file2"
2026/02/21 05:38:22 DEBUG : file2(0xc000a241c0): >openPending: err=<nil>
2026/02/21 05:38:22 DEBUG : file2: >newRWFileHandle: err=<nil>
2026/02/21 05:38:22 DEBUG : Added virtual directory entry vAddFile: "file2"
2026/02/21 05:38:22 DEBUG : file2: >Open: fd=file2 (rw), err=<nil>
2026/02/21 05:38:22 DEBUG : file2: >OpenFile: fd=file2 (rw), err=<nil>
2026/02/21 05:38:22 DEBUG : file2(0xc000a241c0): RWFileHandle.Flush
2026/02/21 05:38:22 DEBUG : file2(0xc000a241c0): RWFileHandle.Release
2026/02/21 05:38:22 DEBUG : file2(0xc000a241c0): close: 
2026/02/21 05:38:22 DEBUG : file2: vfs cache: setting modification time to 2026-02-21 05:38:22.233272394 +0000 UTC m=+227.963201108
2026/02/21 05:38:22 INFO  : file2: vfs cache: queuing for upload in 100ms
2026/02/21 05:38:22 DEBUG : file2(0xc000a241c0): >close: err=<nil>
2026/02/21 05:38:22 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:38:22 DEBUG : Looking for writers
2026/02/21 05:38:22 DEBUG : file1: reading active writers
2026/02/21 05:38:22 DEBUG : file2: reading active writers
2026/02/21 05:38:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 10ms
2026/02/21 05:38:22 DEBUG : Looking for writers
2026/02/21 05:38:22 DEBUG : file2: reading active writers
2026/02/21 05:38:22 DEBUG : file1: reading active writers
2026/02/21 05:38:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 20ms
2026/02/21 05:38:22 DEBUG : Looking for writers
2026/02/21 05:38:22 DEBUG : file1: reading active writers
2026/02/21 05:38:22 DEBUG : file2: reading active writers
2026/02/21 05:38:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 40ms
2026/02/21 05:38:22 DEBUG : Looking for writers
2026/02/21 05:38:22 DEBUG : file1: reading active writers
2026/02/21 05:38:22 DEBUG : file2: reading active writers
2026/02/21 05:38:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 80ms
2026/02/21 05:38:22 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:38:22 DEBUG : file2: vfs cache: starting upload
2026/02/21 05:38:22 DEBUG : Looking for writers
2026/02/21 05:38:22 DEBUG : file1: reading active writers
2026/02/21 05:38:22 DEBUG : file2: reading active writers
2026/02/21 05:38:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 160ms
2026/02/21 05:38:22 DEBUG : Looking for writers
2026/02/21 05:38:22 DEBUG : file1: reading active writers
2026/02/21 05:38:22 DEBUG : file2: reading active writers
2026/02/21 05:38:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 320ms
2026/02/21 05:38:22 DEBUG : Looking for writers
2026/02/21 05:38:22 DEBUG : file2: reading active writers
2026/02/21 05:38:22 DEBUG : file1: reading active writers
2026/02/21 05:38:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 640ms
2026/02/21 05:38:23.114817 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:23.114860 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:23 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)
2026/02/21 05:38:23 ERROR : file1: vfs cache: failed to upload try #1, will retry in 200ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:23 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:38:23 DEBUG : Looking for writers
2026/02/21 05:38:23 DEBUG : file1: reading active writers
2026/02/21 05:38:23 DEBUG : file2: reading active writers
2026/02/21 05:38:23 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:23.752783 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:23.752803 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:23 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)
2026/02/21 05:38:23 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)
2026/02/21 05:38:23 DEBUG : file2: vfs cache: starting upload
2026/02/21 05:38:24.479863 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:24.479888 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:24 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:24 ERROR : file1: vfs cache: failed to upload try #2, will retry in 400ms: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:24 DEBUG : Looking for writers
2026/02/21 05:38:24 DEBUG : file1: reading active writers
2026/02/21 05:38:24 DEBUG : file2: reading active writers
2026/02/21 05:38:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:24 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:38:25.242192 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:25.242208 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:25 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)
2026/02/21 05:38:25 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)
2026/02/21 05:38:25 DEBUG : Looking for writers
2026/02/21 05:38:25 DEBUG : file1: reading active writers
2026/02/21 05:38:25 DEBUG : file2: reading active writers
2026/02/21 05:38:25 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:25 DEBUG : file2: vfs cache: starting upload
2026/02/21 05:38:26.148399 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:26.148419 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:26 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:26 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)
2026/02/21 05:38:26 DEBUG : Looking for writers
2026/02/21 05:38:26 DEBUG : file1: reading active writers
2026/02/21 05:38:26 DEBUG : file2: reading active writers
2026/02/21 05:38:26 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:26 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:38:27.012084 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:27.012101 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:27 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)
2026/02/21 05:38:27 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)
2026/02/21 05:38:27 DEBUG : Looking for writers
2026/02/21 05:38:27 DEBUG : file1: reading active writers
2026/02/21 05:38:27 DEBUG : file2: reading active writers
2026/02/21 05:38:27 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:27 DEBUG : file2: vfs cache: starting upload
2026/02/21 05:38:27.841102 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:27.841121 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:27 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:27 ERROR : file1: vfs cache: failed to upload try #4, will retry in 1.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:28 DEBUG : Looking for writers
2026/02/21 05:38:28 DEBUG : file1: reading active writers
2026/02/21 05:38:28 DEBUG : file2: reading active writers
2026/02/21 05:38:28 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:28.754349 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:28.754375 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:28 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)
2026/02/21 05:38:28 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)
2026/02/21 05:38:29 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:38:29 DEBUG : Looking for writers
2026/02/21 05:38:29 DEBUG : file1: reading active writers
2026/02/21 05:38:29 DEBUG : file2: reading active writers
2026/02/21 05:38:29 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:30.115123 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:30.115149 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:30 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:30 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)
2026/02/21 05:38:30 DEBUG : file2: vfs cache: starting upload
2026/02/21 05:38:30 DEBUG : Looking for writers
2026/02/21 05:38:30 DEBUG : file1: reading active writers
2026/02/21 05:38:30 DEBUG : file2: reading active writers
2026/02/21 05:38:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:31.243114 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:31.243144 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:31 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:31 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)
2026/02/21 05:38:31 DEBUG : Looking for writers
2026/02/21 05:38:31 DEBUG : file1: reading active writers
2026/02/21 05:38:31 DEBUG : file2: reading active writers
2026/02/21 05:38:31 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:32 DEBUG : Looking for writers
2026/02/21 05:38:32 DEBUG : file1: reading active writers
2026/02/21 05:38:32 DEBUG : file2: reading active writers
2026/02/21 05:38:32 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:33 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:38:33 DEBUG : Looking for writers
2026/02/21 05:38:33 DEBUG : file1: reading active writers
2026/02/21 05:38:33 DEBUG : file2: reading active writers
2026/02/21 05:38:33 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:34.044012 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:34.044039 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:34 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:34 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)
2026/02/21 05:38:34 DEBUG : file2: vfs cache: starting upload
2026/02/21 05:38:34 DEBUG : Looking for writers
2026/02/21 05:38:34 DEBUG : file1: reading active writers
2026/02/21 05:38:34 DEBUG : file2: reading active writers
2026/02/21 05:38:34 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:35.363241 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:35.363281 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:35 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)
2026/02/21 05:38:35 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)
2026/02/21 05:38:35 DEBUG : Looking for writers
2026/02/21 05:38:35 DEBUG : file1: reading active writers
2026/02/21 05:38:35 DEBUG : file2: reading active writers
2026/02/21 05:38:35 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:36 DEBUG : Looking for writers
2026/02/21 05:38:36 DEBUG : file1: reading active writers
2026/02/21 05:38:36 DEBUG : file2: reading active writers
2026/02/21 05:38:36 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:37 DEBUG : Looking for writers
2026/02/21 05:38:37 DEBUG : file1: reading active writers
2026/02/21 05:38:37 DEBUG : file2: reading active writers
2026/02/21 05:38:37 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:38 DEBUG : Looking for writers
2026/02/21 05:38:38 DEBUG : file1: reading active writers
2026/02/21 05:38:38 DEBUG : file2: reading active writers
2026/02/21 05:38:38 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:39 DEBUG : Looking for writers
2026/02/21 05:38:39 DEBUG : file1: reading active writers
2026/02/21 05:38:39 DEBUG : file2: reading active writers
2026/02/21 05:38:39 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:40 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:38:40 DEBUG : Looking for writers
2026/02/21 05:38:40 DEBUG : file1: reading active writers
2026/02/21 05:38:40 DEBUG : file2: reading active writers
2026/02/21 05:38:40 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:41.364097 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:41.364800 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:41 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:41 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)
2026/02/21 05:38:41 DEBUG : Looking for writers
2026/02/21 05:38:41 DEBUG : file1: reading active writers
2026/02/21 05:38:41 DEBUG : file2: reading active writers
2026/02/21 05:38:41 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:41 DEBUG : file2: vfs cache: starting upload
2026/02/21 05:38:42.387412 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:42.387585 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:42 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)
2026/02/21 05:38:42 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)
2026/02/21 05:38:42 DEBUG : Looking for writers
2026/02/21 05:38:42 DEBUG : file1: reading active writers
2026/02/21 05:38:42 DEBUG : file2: reading active writers
2026/02/21 05:38:42 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:43 DEBUG : Looking for writers
2026/02/21 05:38:43 DEBUG : file1: reading active writers
2026/02/21 05:38:43 DEBUG : file2: reading active writers
2026/02/21 05:38:43 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:44 DEBUG : Looking for writers
2026/02/21 05:38:44 DEBUG : file1: reading active writers
2026/02/21 05:38:44 DEBUG : file2: reading active writers
2026/02/21 05:38:44 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:45 DEBUG : Looking for writers
2026/02/21 05:38:45 DEBUG : file1: reading active writers
2026/02/21 05:38:45 DEBUG : file2: reading active writers
2026/02/21 05:38:45 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:46 DEBUG : Looking for writers
2026/02/21 05:38:46 DEBUG : file1: reading active writers
2026/02/21 05:38:46 DEBUG : file2: reading active writers
2026/02/21 05:38:46 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:47 DEBUG : Looking for writers
2026/02/21 05:38:47 DEBUG : file1: reading active writers
2026/02/21 05:38:47 DEBUG : file2: reading active writers
2026/02/21 05:38:47 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:48 DEBUG : Looking for writers
2026/02/21 05:38:48 DEBUG : file1: reading active writers
2026/02/21 05:38:48 DEBUG : file2: reading active writers
2026/02/21 05:38:48 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:49 DEBUG : Looking for writers
2026/02/21 05:38:49 DEBUG : file1: reading active writers
2026/02/21 05:38:49 DEBUG : file2: reading active writers
2026/02/21 05:38:49 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:50 DEBUG : Looking for writers
2026/02/21 05:38:50 DEBUG : file1: reading active writers
2026/02/21 05:38:50 DEBUG : file2: reading active writers
2026/02/21 05:38:50 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:51 DEBUG : Looking for writers
2026/02/21 05:38:51 DEBUG : file1: reading active writers
2026/02/21 05:38:51 DEBUG : file2: reading active writers
2026/02/21 05:38:51 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:38:52 ERROR : Exiting even though 0 writers active and 2 cache items in use after 30s
Cache{
	"file1": &{c:0xc00087e960 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000612608 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824640087616} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14005754020942826945 ext:227961389003 loc:0x4586480} ATime:{wall:14005754020943903995 ext:227962466043 loc:0x4586480} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
	"file2": &{c:0xc00087e960 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000612708 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824640087872} name:file2 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14005754020944639050 ext:227963201108 loc:0x4586480} ATime:{wall:14005754020944817917 ext:227963379975 loc:0x4586480} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:2 pendingAccesses:0 modified:false beingReset:false},
}
2026/02/21 05:38:52 DEBUG : >WaitForWriters: 
2026/02/21 05:38:52 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
2026/02/21 05:38:53 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
2026/02/21 05:38:54 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:38:55.103012 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:55.103098 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:55 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:55 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)
2026/02/21 05:38:55 DEBUG : file2: vfs cache: starting upload
    fstest.go:301: Flushing the directory cache
2026/02/21 05:38:56.047391 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:38:56.047409 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:56 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)
2026/02/21 05:38:56 ERROR : file2: vfs cache: failed to upload try #8, will retry in 25.6s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:38:56 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/read_write_test.go: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
2026/02/21 05:39:00 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:39:00 DEBUG : Looking for writers
2026/02/21 05:39:00 DEBUG : file1: reading active writers
2026/02/21 05:39:00 DEBUG : file2: reading active writers
2026/02/21 05:39:00 DEBUG : Still 0 writers active and 2 cache items in use, waiting 10ms
2026/02/21 05:39:00 DEBUG : Looking for writers
2026/02/21 05:39:00 DEBUG : file1: reading active writers
2026/02/21 05:39:00 DEBUG : file2: reading active writers
2026/02/21 05:39:00 DEBUG : Still 0 writers active and 2 cache items in use, waiting 20ms
2026/02/21 05:39:00 DEBUG : Looking for writers
2026/02/21 05:39:00 DEBUG : file2: reading active writers
2026/02/21 05:39:00 DEBUG : file1: reading active writers
2026/02/21 05:39:00 DEBUG : Still 0 writers active and 2 cache items in use, waiting 40ms
2026/02/21 05:39:00 DEBUG : Looking for writers
2026/02/21 05:39:00 DEBUG : file1: reading active writers
2026/02/21 05:39:00 DEBUG : file2: reading active writers
2026/02/21 05:39:00 DEBUG : Still 0 writers active and 2 cache items in use, waiting 80ms
2026/02/21 05:39:00 DEBUG : Looking for writers
2026/02/21 05:39:00 DEBUG : file1: reading active writers
2026/02/21 05:39:00 DEBUG : file2: reading active writers
2026/02/21 05:39:00 DEBUG : Still 0 writers active and 2 cache items in use, waiting 160ms
2026/02/21 05:39:00 DEBUG : Looking for writers
2026/02/21 05:39:00 DEBUG : file1: reading active writers
2026/02/21 05:39:00 DEBUG : file2: reading active writers
2026/02/21 05:39:00 DEBUG : Still 0 writers active and 2 cache items in use, waiting 320ms
2026/02/21 05:39:01 DEBUG : Looking for writers
2026/02/21 05:39:01 DEBUG : file1: reading active writers
2026/02/21 05:39:01 DEBUG : file2: reading active writers
2026/02/21 05:39:01 DEBUG : Still 0 writers active and 2 cache items in use, waiting 640ms
2026/02/21 05:39:01 DEBUG : Looking for writers
2026/02/21 05:39:01 DEBUG : file2: reading active writers
2026/02/21 05:39:01 DEBUG : file1: reading active writers
2026/02/21 05:39:01 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:02 DEBUG : Looking for writers
2026/02/21 05:39:02 DEBUG : file1: reading active writers
2026/02/21 05:39:02 DEBUG : file2: reading active writers
2026/02/21 05:39:02 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:03 DEBUG : Looking for writers
2026/02/21 05:39:03 DEBUG : file2: reading active writers
2026/02/21 05:39:03 DEBUG : file1: reading active writers
2026/02/21 05:39:03 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:04 DEBUG : Looking for writers
2026/02/21 05:39:04 DEBUG : file2: reading active writers
2026/02/21 05:39:04 DEBUG : file1: reading active writers
2026/02/21 05:39:04 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:05 DEBUG : Looking for writers
2026/02/21 05:39:05 DEBUG : file1: reading active writers
2026/02/21 05:39:05 DEBUG : file2: reading active writers
2026/02/21 05:39:05 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:06 DEBUG : Looking for writers
2026/02/21 05:39:06 DEBUG : file1: reading active writers
2026/02/21 05:39:06 DEBUG : file2: reading active writers
2026/02/21 05:39:06 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:07 DEBUG : Looking for writers
2026/02/21 05:39:07 DEBUG : file1: reading active writers
2026/02/21 05:39:07 DEBUG : file2: reading active writers
2026/02/21 05:39:07 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:08 DEBUG : Looking for writers
2026/02/21 05:39:08 DEBUG : file1: reading active writers
2026/02/21 05:39:08 DEBUG : file2: reading active writers
2026/02/21 05:39:08 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:09 DEBUG : Looking for writers
2026/02/21 05:39:09 DEBUG : file1: reading active writers
2026/02/21 05:39:09 DEBUG : file2: reading active writers
2026/02/21 05:39:09 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:10 DEBUG : Looking for writers
2026/02/21 05:39:10 DEBUG : file1: reading active writers
2026/02/21 05:39:10 DEBUG : file2: reading active writers
2026/02/21 05:39:10 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:11 DEBUG : Looking for writers
2026/02/21 05:39:11 DEBUG : file1: reading active writers
2026/02/21 05:39:11 DEBUG : file2: reading active writers
2026/02/21 05:39:11 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:12 DEBUG : Looking for writers
2026/02/21 05:39:12 DEBUG : file2: reading active writers
2026/02/21 05:39:12 DEBUG : file1: reading active writers
2026/02/21 05:39:12 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:13 DEBUG : Looking for writers
2026/02/21 05:39:13 DEBUG : file1: reading active writers
2026/02/21 05:39:13 DEBUG : file2: reading active writers
2026/02/21 05:39:13 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:14 DEBUG : Looking for writers
2026/02/21 05:39:14 DEBUG : file1: reading active writers
2026/02/21 05:39:14 DEBUG : file2: reading active writers
2026/02/21 05:39:14 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:15 DEBUG : Looking for writers
2026/02/21 05:39:15 DEBUG : file1: reading active writers
2026/02/21 05:39:15 DEBUG : file2: reading active writers
2026/02/21 05:39:15 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:16 DEBUG : Looking for writers
2026/02/21 05:39:16 DEBUG : file1: reading active writers
2026/02/21 05:39:16 DEBUG : file2: reading active writers
2026/02/21 05:39:16 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:17 DEBUG : Looking for writers
2026/02/21 05:39:17 DEBUG : file1: reading active writers
2026/02/21 05:39:17 DEBUG : file2: reading active writers
2026/02/21 05:39:17 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:18 DEBUG : Looking for writers
2026/02/21 05:39:18 DEBUG : file1: reading active writers
2026/02/21 05:39:18 DEBUG : file2: reading active writers
2026/02/21 05:39:18 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:19 DEBUG : Looking for writers
2026/02/21 05:39:19 DEBUG : file2: reading active writers
2026/02/21 05:39:19 DEBUG : file1: reading active writers
2026/02/21 05:39:19 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:20 DEBUG : file1: vfs cache: starting upload
2026/02/21 05:39:20 DEBUG : Looking for writers
2026/02/21 05:39:20 DEBUG : file1: reading active writers
2026/02/21 05:39:20 DEBUG : file2: reading active writers
2026/02/21 05:39:20 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:21 DEBUG : file2: vfs cache: starting upload
2026/02/21 05:39:21 DEBUG : Looking for writers
2026/02/21 05:39:21 DEBUG : file2: reading active writers
2026/02/21 05:39:21 DEBUG : file1: reading active writers
2026/02/21 05:39:21 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:21.946403 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:39:21.946469 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:39:21 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)
2026/02/21 05:39:21 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)
2026/02/21 05:39:22 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/02/21 05:39:22 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file2 not removed, freed 0 bytes
2026/02/21 05:39:22 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 2 (was 2) in use 2, to upload 1, uploading 1, total size 0 (was 0)
2026/02/21 05:39:22.559855 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:39:22.559878 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:39:22 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)
2026/02/21 05:39:22 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)
2026/02/21 05:39:22 DEBUG : Looking for writers
2026/02/21 05:39:22 DEBUG : file1: reading active writers
2026/02/21 05:39:22 DEBUG : file2: reading active writers
2026/02/21 05:39:22 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:23 DEBUG : Looking for writers
2026/02/21 05:39:23 DEBUG : file1: reading active writers
2026/02/21 05:39:23 DEBUG : file2: reading active writers
2026/02/21 05:39:23 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:24 DEBUG : Looking for writers
2026/02/21 05:39:24 DEBUG : file1: reading active writers
2026/02/21 05:39:24 DEBUG : file2: reading active writers
2026/02/21 05:39:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:25 DEBUG : Looking for writers
2026/02/21 05:39:25 DEBUG : file1: reading active writers
2026/02/21 05:39:25 DEBUG : file2: reading active writers
2026/02/21 05:39:25 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:26 DEBUG : Looking for writers
2026/02/21 05:39:26 DEBUG : file1: reading active writers
2026/02/21 05:39:26 DEBUG : file2: reading active writers
2026/02/21 05:39:26 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:27 DEBUG : Looking for writers
2026/02/21 05:39:27 DEBUG : file1: reading active writers
2026/02/21 05:39:27 DEBUG : file2: reading active writers
2026/02/21 05:39:27 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:28 DEBUG : Looking for writers
2026/02/21 05:39:28 DEBUG : file2: reading active writers
2026/02/21 05:39:28 DEBUG : file1: reading active writers
2026/02/21 05:39:28 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:29 DEBUG : Looking for writers
2026/02/21 05:39:29 DEBUG : file1: reading active writers
2026/02/21 05:39:29 DEBUG : file2: reading active writers
2026/02/21 05:39:29 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/02/21 05:39:30 ERROR : Exiting even though 0 writers active and 2 cache items in use after 30s
Cache{
	"file1": &{c:0xc00087e960 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000612608 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824640087616} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14005754020942826945 ext:227961389003 loc:0x4586480} ATime:{wall:14005754020943903995 ext:227962466043 loc:0x4586480} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
	"file2": &{c:0xc00087e960 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000612708 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824640087872} name:file2 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14005754020944639050 ext:227963201108 loc:0x4586480} ATime:{wall:14005754020944817917 ext:227963379975 loc:0x4586480} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:2 pendingAccesses:0 modified:false beingReset:false},
}
2026/02/21 05:39:30 DEBUG : >WaitForWriters: 
2026/02/21 05:39:30 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:39:30 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleWriteNoWrite (68.70s)
=== RUN   TestRWFileHandleSizeTruncateExisting
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:39:30 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:39:30 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:39:30 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:30 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:30 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:30 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:39:30 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:30 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:30 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:39:30 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:30 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:39:31.542507 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:39:31.542989 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:39:31 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:39:31 DEBUG : Looking for writers
2026/02/21 05:39:31 DEBUG : >WaitForWriters: 
2026/02/21 05:39:31 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:39:31 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSizeTruncateExisting (0.91s)
=== RUN   TestRWFileHandleSizeCreateExisting
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:39:31 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:39:31 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:39:31 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:31 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:31 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:31 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:39:31 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:31 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:31 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:39:31 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:31 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:39:32.240622 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:39:32.240715 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:39:32 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:39:32 DEBUG : Looking for writers
2026/02/21 05:39:32 DEBUG : >WaitForWriters: 
2026/02/21 05:39:32 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:39:32 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSizeCreateExisting (0.75s)
=== RUN   TestRWFileModTimeWithOpenWriters
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:39:32 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:39:32 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:39:32 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:32 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:32 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:32 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:39:32 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:32 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:32 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:39:32 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:39:32 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:39:32 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:39:32 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:39:32 DEBUG : file1: newRWFileHandle: 
2026/02/21 05:39:32 DEBUG : file1(0xc0008a92c0): openPending: 
2026/02/21 05:39:32 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/02/21 05:39:32 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:39:32 DEBUG : file1(0xc0008a92c0): >openPending: err=<nil>
2026/02/21 05:39:32 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/02/21 05:39:32 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:39:32 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/02/21 05:39:32 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/02/21 05:39:33.268230 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:39:33.268252 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:39:33 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:39:33 DEBUG : Looking for writers
2026/02/21 05:39:33 DEBUG : file1: reading active writers
2026/02/21 05:39:33 DEBUG : file1: active writers 1
2026/02/21 05:39:33 DEBUG : Still 1 writers active and 1 cache items in use, waiting 10ms
2026/02/21 05:39:33 DEBUG : Looking for writers
2026/02/21 05:39:33 DEBUG : file1: reading active writers
2026/02/21 05:39:33 DEBUG : file1: active writers 1
2026/02/21 05:39:33 DEBUG : Still 1 writers active and 1 cache items in use, waiting 20ms
2026/02/21 05:39:33 DEBUG : Looking for writers
2026/02/21 05:39:33 DEBUG : file1: reading active writers
2026/02/21 05:39:33 DEBUG : file1: active writers 1
2026/02/21 05:39:33 DEBUG : Still 1 writers active and 1 cache items in use, waiting 40ms
2026/02/21 05:39:33 DEBUG : Looking for writers
2026/02/21 05:39:33 DEBUG : file1: reading active writers
2026/02/21 05:39:33 DEBUG : file1: active writers 1
2026/02/21 05:39:33 DEBUG : Still 1 writers active and 1 cache items in use, waiting 80ms
2026/02/21 05:39:33 DEBUG : Looking for writers
2026/02/21 05:39:33 DEBUG : file1: reading active writers
2026/02/21 05:39:33 DEBUG : file1: active writers 1
2026/02/21 05:39:33 DEBUG : Still 1 writers active and 1 cache items in use, waiting 160ms
2026/02/21 05:39:33 DEBUG : Looking for writers
2026/02/21 05:39:33 DEBUG : file1: reading active writers
2026/02/21 05:39:33 DEBUG : file1: active writers 1
2026/02/21 05:39:33 DEBUG : Still 1 writers active and 1 cache items in use, waiting 320ms
2026/02/21 05:39:33 DEBUG : Looking for writers
2026/02/21 05:39:33 DEBUG : file1: reading active writers
2026/02/21 05:39:33 DEBUG : file1: active writers 1
2026/02/21 05:39:33 DEBUG : Still 1 writers active and 1 cache items in use, waiting 640ms
2026/02/21 05:39:34 DEBUG : Looking for writers
2026/02/21 05:39:34 DEBUG : file1: reading active writers
2026/02/21 05:39:34 DEBUG : file1: active writers 1
2026/02/21 05:39:34 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:35 DEBUG : Looking for writers
2026/02/21 05:39:35 DEBUG : file1: reading active writers
2026/02/21 05:39:35 DEBUG : file1: active writers 1
2026/02/21 05:39:35 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:36 DEBUG : Looking for writers
2026/02/21 05:39:36 DEBUG : file1: reading active writers
2026/02/21 05:39:36 DEBUG : file1: active writers 1
2026/02/21 05:39:36 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:37 DEBUG : Looking for writers
2026/02/21 05:39:37 DEBUG : file1: reading active writers
2026/02/21 05:39:37 DEBUG : file1: active writers 1
2026/02/21 05:39:37 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:38 DEBUG : Looking for writers
2026/02/21 05:39:38 DEBUG : file1: reading active writers
2026/02/21 05:39:38 DEBUG : file1: active writers 1
2026/02/21 05:39:38 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:39 DEBUG : Looking for writers
2026/02/21 05:39:39 DEBUG : file1: reading active writers
2026/02/21 05:39:39 DEBUG : file1: active writers 1
2026/02/21 05:39:39 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:40 DEBUG : Looking for writers
2026/02/21 05:39:40 DEBUG : file1: reading active writers
2026/02/21 05:39:40 DEBUG : file1: active writers 1
2026/02/21 05:39:40 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:41 DEBUG : Looking for writers
2026/02/21 05:39:41 DEBUG : file1: reading active writers
2026/02/21 05:39:41 DEBUG : file1: active writers 1
2026/02/21 05:39:42 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:43 DEBUG : Looking for writers
2026/02/21 05:39:43 DEBUG : file1: reading active writers
2026/02/21 05:39:43 DEBUG : file1: active writers 1
2026/02/21 05:39:43 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:44 DEBUG : Looking for writers
2026/02/21 05:39:44 DEBUG : file1: reading active writers
2026/02/21 05:39:44 DEBUG : file1: active writers 1
2026/02/21 05:39:44 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:45 DEBUG : Looking for writers
2026/02/21 05:39:45 DEBUG : file1: reading active writers
2026/02/21 05:39:45 DEBUG : file1: active writers 1
2026/02/21 05:39:45 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:46 DEBUG : Looking for writers
2026/02/21 05:39:46 DEBUG : file1: reading active writers
2026/02/21 05:39:46 DEBUG : file1: active writers 1
2026/02/21 05:39:46 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:47 DEBUG : Looking for writers
2026/02/21 05:39:47 DEBUG : file1: reading active writers
2026/02/21 05:39:47 DEBUG : file1: active writers 1
2026/02/21 05:39:47 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:48 DEBUG : Looking for writers
2026/02/21 05:39:48 DEBUG : file1: reading active writers
2026/02/21 05:39:48 DEBUG : file1: active writers 1
2026/02/21 05:39:48 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:49 DEBUG : Looking for writers
2026/02/21 05:39:49 DEBUG : file1: reading active writers
2026/02/21 05:39:49 DEBUG : file1: active writers 1
2026/02/21 05:39:49 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:50 DEBUG : Looking for writers
2026/02/21 05:39:50 DEBUG : file1: reading active writers
2026/02/21 05:39:50 DEBUG : file1: active writers 1
2026/02/21 05:39:50 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:51 DEBUG : Looking for writers
2026/02/21 05:39:51 DEBUG : file1: reading active writers
2026/02/21 05:39:51 DEBUG : file1: active writers 1
2026/02/21 05:39:51 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:52 DEBUG : Looking for writers
2026/02/21 05:39:52 DEBUG : file1: reading active writers
2026/02/21 05:39:52 DEBUG : file1: active writers 1
2026/02/21 05:39:52 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:53 DEBUG : Looking for writers
2026/02/21 05:39:53 DEBUG : file1: reading active writers
2026/02/21 05:39:53 DEBUG : file1: active writers 1
2026/02/21 05:39:53 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:54 DEBUG : Looking for writers
2026/02/21 05:39:54 DEBUG : file1: reading active writers
2026/02/21 05:39:54 DEBUG : file1: active writers 1
2026/02/21 05:39:54 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:55 DEBUG : Looking for writers
2026/02/21 05:39:55 DEBUG : file1: reading active writers
2026/02/21 05:39:55 DEBUG : file1: active writers 1
2026/02/21 05:39:55 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:56 DEBUG : Looking for writers
2026/02/21 05:39:56 DEBUG : file1: reading active writers
2026/02/21 05:39:56 DEBUG : file1: active writers 1
2026/02/21 05:39:56 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:57 DEBUG : Looking for writers
2026/02/21 05:39:57 DEBUG : file1: reading active writers
2026/02/21 05:39:57 DEBUG : file1: active writers 1
2026/02/21 05:39:57 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:58 DEBUG : Looking for writers
2026/02/21 05:39:58 DEBUG : file1: reading active writers
2026/02/21 05:39:58 DEBUG : file1: active writers 1
2026/02/21 05:39:58 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:39:59 DEBUG : Looking for writers
2026/02/21 05:39:59 DEBUG : file1: reading active writers
2026/02/21 05:39:59 DEBUG : file1: active writers 1
2026/02/21 05:39:59 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:40:00 DEBUG : Looking for writers
2026/02/21 05:40:00 DEBUG : file1: reading active writers
2026/02/21 05:40:00 DEBUG : file1: active writers 1
2026/02/21 05:40:00 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:40:01 DEBUG : Looking for writers
2026/02/21 05:40:01 DEBUG : file1: reading active writers
2026/02/21 05:40:01 DEBUG : file1: active writers 1
2026/02/21 05:40:01 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:40:02 DEBUG : Looking for writers
2026/02/21 05:40:02 DEBUG : file1: reading active writers
2026/02/21 05:40:02 DEBUG : file1: active writers 1
2026/02/21 05:40:02 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:40:03 DEBUG : Looking for writers
2026/02/21 05:40:03 DEBUG : file1: reading active writers
2026/02/21 05:40:03 DEBUG : file1: active writers 1
2026/02/21 05:40:03 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/02/21 05:40:03 ERROR : Exiting even though 1 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc0008580f0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000613608 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824640091712} name:file1 opens:1 downloaders:<nil> o:<nil> fd:0xc000130be0 info:{ModTime:{wall:14005754096420803598 ext:298277437966 loc:0x4586480} ATime:{wall:14005754096420803598 ext:298277437966 loc:0x4586480} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:0 pendingAccesses:0 modified:true beingReset:false},
}
2026/02/21 05:40:03 DEBUG : >WaitForWriters: 
2026/02/21 05:40:03 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:40:03 ERROR : error listing: directory not found
--- FAIL: TestRWFileModTimeWithOpenWriters (31.04s)
=== RUN   TestRWCacheUpdate
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:40:03 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:40:03 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: root is "/home/rclone/.cache/rclone"
2026/02/21 05:40:03 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:40:03 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:40:03 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:40:03 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:40:03 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:40:03 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:40:03 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/02/21 05:40:03 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-vunifoj0nihu"
2026/02/21 05:40:03 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/02/21 05:40:03 DEBUG : forgetting directory cache
2026/02/21 05:40:04.056996 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:40:04.057055 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:04 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:40:04 DEBUG : Looking for writers
2026/02/21 05:40:04 DEBUG : >WaitForWriters: 
2026/02/21 05:40:04 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': vfs cache: cleaner exiting
2026/02/21 05:40:04 ERROR : error listing: directory not found
--- FAIL: TestRWCacheUpdate (0.78s)
=== RUN   TestCaseSensitivity
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:40:04.991279 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:40:04.991306 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:05 ERROR : error listing: directory not found
--- FAIL: TestCaseSensitivity (0.97s)
=== RUN   TestUnicodeNormalization
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:40:05.793261 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:40:05.793294 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:05 ERROR : error listing: directory not found
--- FAIL: TestUnicodeNormalization (0.69s)
=== RUN   TestVFSStat
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:40:05 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:40:05 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:40:06.718334 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:40:06.718354 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:06 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:40:06 DEBUG : Looking for writers
2026/02/21 05:40:06 DEBUG : >WaitForWriters: 
2026/02/21 05:40:06 ERROR : error listing: directory not found
--- FAIL: TestVFSStat (0.92s)
=== RUN   TestVFSStatParent
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:40:06 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:40:06 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:40:07.511644 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:40:07.511679 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:07 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:40:07 DEBUG : Looking for writers
2026/02/21 05:40:07 DEBUG : >WaitForWriters: 
2026/02/21 05:40:07 ERROR : error listing: directory not found
--- FAIL: TestVFSStatParent (0.85s)
=== RUN   TestVFSOpenFile
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:40:07 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:40:07 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:40:08.320820 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:40:08.320859 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:08 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:40:08 DEBUG : Looking for writers
2026/02/21 05:40:08 DEBUG : >WaitForWriters: 
2026/02/21 05:40:08 ERROR : error listing: directory not found
--- FAIL: TestVFSOpenFile (0.82s)
=== RUN   TestVFSRename
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:40:08 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:40:08 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:40:09.168615 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:40:09.168645 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:09 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:40:09 DEBUG : Looking for writers
2026/02/21 05:40:09 DEBUG : >WaitForWriters: 
2026/02/21 05:40:09 ERROR : error listing: directory not found
--- FAIL: TestVFSRename (0.78s)
=== RUN   TestVFSMkdir
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:40:09 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:40:09 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:40:09 ERROR : error listing: directory not found
2026/02/21 05:40:10.411467 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:40:10.411510 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:10 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
2026/02/21 05:40:10 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:40:10 DEBUG : Looking for writers
2026/02/21 05:40:10 DEBUG : >WaitForWriters: 
2026/02/21 05:40:10 ERROR : error listing: directory not found
--- FAIL: TestVFSMkdir (1.27s)
=== RUN   TestVFSMkdirAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:40:10 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:40:10 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:40:10 ERROR : error listing: directory not found
2026/02/21 05:40:10 ERROR : error listing: directory not found
2026/02/21 05:40:11.610704 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:40:11.610738 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:11 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
2026/02/21 05:40:11 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:40:11 DEBUG : Looking for writers
2026/02/21 05:40:11 DEBUG : >WaitForWriters: 
2026/02/21 05:40:11 ERROR : error listing: directory not found
--- FAIL: TestVFSMkdirAll (1.25s)
=== RUN   TestWriteFileHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:40:11 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:40:11 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:40:11 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:40:11 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:40:11 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:40:11 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/02/21 05:40:11 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/02/21 05:40:11 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:40:11 ERROR : file1: WriteFileHandle: Read: Can't read and write to file without --vfs-cache-mode >= minimal
2026/02/21 05:40:11 ERROR : file1: WriteFileHandle: ReadAt: Can't read and write to file without --vfs-cache-mode >= minimal
2026/02/21 05:40:11 ERROR : file1: WriteFileHandle: Truncate: Can't change size without --vfs-cache-mode >= writes
2026/02/21 05:40:11 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': File to upload is small (5 bytes), uploading instead of streaming
2026/02/21 05:40:12.800220 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:40:12.800251 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:12 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)
2026/02/21 05:40:12 DEBUG : file1: Remove: 
2026/02/21 05:40:12 DEBUG : Added virtual directory entry vDel: "file1"
2026/02/21 05:40:12 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
2026/02/21 05:40:12 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/02/21 05:40:14 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/02/21 05:40:16 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:157
        	Error:      	Should be true
        	Test:       	TestWriteFileHandleMethods
        	Messages:   	listing wrong, want
        	            	  file1 (5) got
        	            	  
    fstest.go:203: Not found "file1"
    fstest.go:206: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:206
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:310
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:157
        	Error:      	Not equal: 
        	            	expected: 0
        	            	actual  : 1
        	Test:       	TestWriteFileHandleMethods
        	Messages:   	1 objects not found
2026/02/21 05:40:20 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:40:20 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:40:20 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:40:20 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/02/21 05:40:20 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/02/21 05:40:20 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:40:20 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': File to upload is small (0 bytes), uploading instead of streaming
2026/02/21 05:40:21.629502 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:40:21.629536 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:21 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:21 DEBUG : file1: Remove: 
2026/02/21 05:40:21 DEBUG : Added virtual directory entry vDel: "file1"
2026/02/21 05:40:21 DEBUG : file1: >Remove: err=<nil>
    write_test.go:163: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:163
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleMethods
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:164
        	Error:      	Not equal: 
        	            	expected: []string{"file1,5,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=13) "file1,5,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleMethods
2026/02/21 05:40:21 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:40:21 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:40:21 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:40:21 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/02/21 05:40:21 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/02/21 05:40:21 DEBUG : Added virtual directory entry vAddFile: "file1"
    write_test.go:171: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:171
        	Error:      	Not equal: 
        	            	expected: *errors.errorString(&errors.errorString{s:"permission denied"})
        	            	actual  : <nil>(<nil>)
        	Test:       	TestWriteFileHandleMethods
2026/02/21 05:40:21 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:40:21 DEBUG : Looking for writers
2026/02/21 05:40:21 DEBUG : file1: reading active writers
2026/02/21 05:40:21 DEBUG : file1: active writers 1
2026/02/21 05:40:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 10ms
2026/02/21 05:40:21 DEBUG : Looking for writers
2026/02/21 05:40:21 DEBUG : file1: reading active writers
2026/02/21 05:40:21 DEBUG : file1: active writers 1
2026/02/21 05:40:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 20ms
2026/02/21 05:40:21 DEBUG : Looking for writers
2026/02/21 05:40:21 DEBUG : file1: reading active writers
2026/02/21 05:40:21 DEBUG : file1: active writers 1
2026/02/21 05:40:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 40ms
2026/02/21 05:40:21 DEBUG : Looking for writers
2026/02/21 05:40:21 DEBUG : file1: reading active writers
2026/02/21 05:40:21 DEBUG : file1: active writers 1
2026/02/21 05:40:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 80ms
2026/02/21 05:40:21 DEBUG : Looking for writers
2026/02/21 05:40:21 DEBUG : file1: reading active writers
2026/02/21 05:40:21 DEBUG : file1: active writers 1
2026/02/21 05:40:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 160ms
2026/02/21 05:40:21 DEBUG : Looking for writers
2026/02/21 05:40:21 DEBUG : file1: reading active writers
2026/02/21 05:40:21 DEBUG : file1: active writers 1
2026/02/21 05:40:21 DEBUG : Still 1 writers active and 0 cache items in use, waiting 320ms
2026/02/21 05:40:22 DEBUG : Looking for writers
2026/02/21 05:40:22 DEBUG : file1: reading active writers
2026/02/21 05:40:22 DEBUG : file1: active writers 1
2026/02/21 05:40:22 DEBUG : Still 1 writers active and 0 cache items in use, waiting 640ms
2026/02/21 05:40:22 DEBUG : Looking for writers
2026/02/21 05:40:22 DEBUG : file1: reading active writers
2026/02/21 05:40:22 DEBUG : file1: active writers 1
2026/02/21 05:40:22 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:23 DEBUG : Looking for writers
2026/02/21 05:40:23 DEBUG : file1: reading active writers
2026/02/21 05:40:23 DEBUG : file1: active writers 1
2026/02/21 05:40:23 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:24 DEBUG : Looking for writers
2026/02/21 05:40:24 DEBUG : file1: reading active writers
2026/02/21 05:40:24 DEBUG : file1: active writers 1
2026/02/21 05:40:24 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:25 DEBUG : Looking for writers
2026/02/21 05:40:25 DEBUG : file1: reading active writers
2026/02/21 05:40:25 DEBUG : file1: active writers 1
2026/02/21 05:40:25 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:26 DEBUG : Looking for writers
2026/02/21 05:40:26 DEBUG : file1: reading active writers
2026/02/21 05:40:26 DEBUG : file1: active writers 1
2026/02/21 05:40:26 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:27 DEBUG : Looking for writers
2026/02/21 05:40:27 DEBUG : file1: reading active writers
2026/02/21 05:40:27 DEBUG : file1: active writers 1
2026/02/21 05:40:27 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:28 DEBUG : Looking for writers
2026/02/21 05:40:28 DEBUG : file1: reading active writers
2026/02/21 05:40:28 DEBUG : file1: active writers 1
2026/02/21 05:40:28 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:29 DEBUG : Looking for writers
2026/02/21 05:40:29 DEBUG : file1: reading active writers
2026/02/21 05:40:29 DEBUG : file1: active writers 1
2026/02/21 05:40:29 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:30 DEBUG : Looking for writers
2026/02/21 05:40:30 DEBUG : file1: reading active writers
2026/02/21 05:40:30 DEBUG : file1: active writers 1
2026/02/21 05:40:30 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:31 DEBUG : Looking for writers
2026/02/21 05:40:31 DEBUG : file1: reading active writers
2026/02/21 05:40:31 DEBUG : file1: active writers 1
2026/02/21 05:40:31 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:32 DEBUG : Looking for writers
2026/02/21 05:40:32 DEBUG : file1: reading active writers
2026/02/21 05:40:32 DEBUG : file1: active writers 1
2026/02/21 05:40:32 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:33 DEBUG : Looking for writers
2026/02/21 05:40:33 DEBUG : file1: reading active writers
2026/02/21 05:40:33 DEBUG : file1: active writers 1
2026/02/21 05:40:33 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:34 DEBUG : Looking for writers
2026/02/21 05:40:34 DEBUG : file1: reading active writers
2026/02/21 05:40:34 DEBUG : file1: active writers 1
2026/02/21 05:40:34 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:35 DEBUG : Looking for writers
2026/02/21 05:40:35 DEBUG : file1: reading active writers
2026/02/21 05:40:35 DEBUG : file1: active writers 1
2026/02/21 05:40:35 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:36 DEBUG : Looking for writers
2026/02/21 05:40:36 DEBUG : file1: reading active writers
2026/02/21 05:40:36 DEBUG : file1: active writers 1
2026/02/21 05:40:36 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:37 DEBUG : Looking for writers
2026/02/21 05:40:37 DEBUG : file1: reading active writers
2026/02/21 05:40:37 DEBUG : file1: active writers 1
2026/02/21 05:40:37 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:38 DEBUG : Looking for writers
2026/02/21 05:40:38 DEBUG : file1: reading active writers
2026/02/21 05:40:38 DEBUG : file1: active writers 1
2026/02/21 05:40:38 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:39 DEBUG : Looking for writers
2026/02/21 05:40:39 DEBUG : file1: reading active writers
2026/02/21 05:40:39 DEBUG : file1: active writers 1
2026/02/21 05:40:39 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:40 DEBUG : Looking for writers
2026/02/21 05:40:40 DEBUG : file1: reading active writers
2026/02/21 05:40:40 DEBUG : file1: active writers 1
2026/02/21 05:40:40 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:41 DEBUG : Looking for writers
2026/02/21 05:40:41 DEBUG : file1: reading active writers
2026/02/21 05:40:41 DEBUG : file1: active writers 1
2026/02/21 05:40:41 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:42 DEBUG : Looking for writers
2026/02/21 05:40:42 DEBUG : file1: reading active writers
2026/02/21 05:40:42 DEBUG : file1: active writers 1
2026/02/21 05:40:42 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:43 DEBUG : Looking for writers
2026/02/21 05:40:43 DEBUG : file1: reading active writers
2026/02/21 05:40:43 DEBUG : file1: active writers 1
2026/02/21 05:40:43 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:44 DEBUG : Looking for writers
2026/02/21 05:40:44 DEBUG : file1: reading active writers
2026/02/21 05:40:44 DEBUG : file1: active writers 1
2026/02/21 05:40:44 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:45 DEBUG : Looking for writers
2026/02/21 05:40:45 DEBUG : file1: reading active writers
2026/02/21 05:40:45 DEBUG : file1: active writers 1
2026/02/21 05:40:45 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:46 DEBUG : Looking for writers
2026/02/21 05:40:46 DEBUG : file1: reading active writers
2026/02/21 05:40:46 DEBUG : file1: active writers 1
2026/02/21 05:40:46 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:47 DEBUG : Looking for writers
2026/02/21 05:40:47 DEBUG : file1: reading active writers
2026/02/21 05:40:47 DEBUG : file1: active writers 1
2026/02/21 05:40:47 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:48 DEBUG : Looking for writers
2026/02/21 05:40:48 DEBUG : file1: reading active writers
2026/02/21 05:40:48 DEBUG : file1: active writers 1
2026/02/21 05:40:48 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:49 DEBUG : Looking for writers
2026/02/21 05:40:49 DEBUG : file1: reading active writers
2026/02/21 05:40:49 DEBUG : file1: active writers 1
2026/02/21 05:40:49 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:50 DEBUG : Looking for writers
2026/02/21 05:40:50 DEBUG : file1: reading active writers
2026/02/21 05:40:50 DEBUG : file1: active writers 1
2026/02/21 05:40:50 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/02/21 05:40:51 ERROR : Exiting even though 1 writers active and 0 cache items in use after 30s
Cache: <nil>
2026/02/21 05:40:51 DEBUG : >WaitForWriters: 
2026/02/21 05:40:51 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleMethods (40.01s)
=== RUN   TestWriteFileHandleWriteAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:40:51 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:40:51 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:40:51 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:40:51 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:40:51 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:40:51 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/02/21 05:40:51 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/02/21 05:40:51 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:40:51 DEBUG : file1: waiting for in-sequence write to 100 for 1s
2026/02/21 05:40:52 DEBUG : file1: aborting in-sequence write wait, off=100
2026/02/21 05:40:52 DEBUG : file1: failed to wait for in-sequence write to 100
2026/02/21 05:40:52 ERROR : file1: WriteFileHandle.Write: can't seek in file without --vfs-cache-mode >= writes
2026/02/21 05:40:52 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': File to upload is small (11 bytes), uploading instead of streaming
2026/02/21 05:40:53.858265 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:40:53.858286 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:53 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:40:53 DEBUG : file1: Remove: 
2026/02/21 05:40:53 DEBUG : Added virtual directory entry vDel: "file1"
2026/02/21 05:40:53 DEBUG : file1: >Remove: err=<nil>
    write_test.go:221: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:221
        	Error:      	Received unexpected error:
        	            	failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
        	Test:       	TestWriteFileHandleWriteAt
2026/02/21 05:40:53 ERROR : file1: WriteFileHandle.Write: error: Bad file descriptor
    dir_test.go:250: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/vfs/dir_test.go:250
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:231
        	Error:      	Not equal: 
        	            	expected: []string{"file1,11,false"}
        	            	actual  : []string(nil)
        	            	
        	            	Diff:
        	            	--- Expected
        	            	+++ Actual
        	            	@@ -1,4 +1,2 @@
        	            	-([]string) (len=1) {
        	            	- (string) (len=14) "file1,11,false"
        	            	-}
        	            	+([]string) <nil>
        	            	 
        	Test:       	TestWriteFileHandleWriteAt
2026/02/21 05:40:53 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/02/21 05:40:55 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
2026/02/21 05:40:57 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
2026/02/21 05:41:01 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:41:01 DEBUG : Looking for writers
2026/02/21 05:41:01 DEBUG : >WaitForWriters: 
2026/02/21 05:41:02 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleWriteAt (10.54s)
=== RUN   TestWriteFileHandleFlush
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:41:02 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:41:02 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:41:02 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:41:02 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:41:02 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:41:02 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/02/21 05:41:02 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/02/21 05:41:02 DEBUG : file1: WriteFileHandle.Flush unwritten handle, writing 0 bytes to avoid race conditions
2026/02/21 05:41:02 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:41:02 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': File to upload is small (5 bytes), uploading instead of streaming
2026/02/21 05:41:03.183639 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:41:03.183688 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:41:03 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:41:03 DEBUG : file1: Remove: 
2026/02/21 05:41:03 DEBUG : Added virtual directory entry vDel: "file1"
2026/02/21 05:41:03 DEBUG : file1: >Remove: err=<nil>
2026/02/21 05:41:03 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
2026/02/21 05:41:03 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
2026/02/21 05:41:03 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:41:03 DEBUG : Looking for writers
2026/02/21 05:41:03 DEBUG : >WaitForWriters: 
2026/02/21 05:41:03 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleFlush (0.94s)
=== RUN   TestWriteFileHandleRelease
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:41:03 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:41:03 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:41:03 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:41:03 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:41:03 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:41:03 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/02/21 05:41:03 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/02/21 05:41:03 DEBUG : file1: WriteFileHandle.Release closing
2026/02/21 05:41:03 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:41:03 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': File to upload is small (0 bytes), uploading instead of streaming
2026/02/21 05:41:04.393736 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:41:04.393759 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:41:04 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)
2026/02/21 05:41:04 DEBUG : file1: Remove: 
2026/02/21 05:41:04 DEBUG : Added virtual directory entry vDel: "file1"
2026/02/21 05:41:04 DEBUG : file1: >Remove: err=<nil>
2026/02/21 05:41:04 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
2026/02/21 05:41:04 DEBUG : file1: WriteFileHandle.Release nothing to do
2026/02/21 05:41:04 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:41:04 DEBUG : Looking for writers
2026/02/21 05:41:04 DEBUG : >WaitForWriters: 
2026/02/21 05:41:04 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleRelease (1.31s)
=== RUN   TestWriteFileModTimeWithOpenWriters
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:41:04 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:41:04 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:41:04 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:41:04 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:41:04 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:41:04 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/02/21 05:41:04 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/02/21 05:41:04 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:41:04 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': File to upload is small (2 bytes), uploading instead of streaming
2026/02/21 05:41:05.610031 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:41:05.610068 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:41:05 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)
2026/02/21 05:41:05 DEBUG : file1: Remove: 
2026/02/21 05:41:05 DEBUG : Added virtual directory entry vDel: "file1"
2026/02/21 05:41:05 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
2026/02/21 05:41:05 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:41:05 DEBUG : Looking for writers
2026/02/21 05:41:05 DEBUG : >WaitForWriters: 
2026/02/21 05:41:05 ERROR : error listing: directory not found
--- FAIL: TestWriteFileModTimeWithOpenWriters (1.19s)
=== RUN   TestFileReadAtZeroLength
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:41:05 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:41:05 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:41:05 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:41:05 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:41:05 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:41:05 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/02/21 05:41:05 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/02/21 05:41:05 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:41:05 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': File to upload is small (0 bytes), uploading instead of streaming
2026/02/21 05:41:06.812524 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:41:06.812563 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:41:06 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)
2026/02/21 05:41:06 DEBUG : file1: Remove: 
2026/02/21 05:41:06 DEBUG : Added virtual directory entry vDel: "file1"
2026/02/21 05:41:06 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
2026/02/21 05:41:06 DEBUG : file1: OpenFile: flags=O_RDONLY, perm=----------
2026/02/21 05:41:06 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
2026/02/21 05:41:06 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:41:06 DEBUG : Looking for writers
2026/02/21 05:41:06 DEBUG : >WaitForWriters: 
2026/02/21 05:41:06 ERROR : error listing: directory not found
--- FAIL: TestFileReadAtZeroLength (1.20s)
=== RUN   TestFileReadAtNonZeroLength
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:41:06 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:41:06 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:41:06 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/02/21 05:41:07 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/02/21 05:41:07 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:41:07 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/02/21 05:41:07 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/02/21 05:41:07 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/02/21 05:41:07 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': File to upload is small (100 bytes), uploading instead of streaming
2026/02/21 05:41:08.022516 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
2026/02/21 05:41:08.022545 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:41:08 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)
2026/02/21 05:41:08 DEBUG : file1: Remove: 
2026/02/21 05:41:08 DEBUG : Added virtual directory entry vDel: "file1"
2026/02/21 05:41:08 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
2026/02/21 05:41:08 DEBUG : file1: OpenFile: flags=O_RDONLY, perm=----------
2026/02/21 05:41:08 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
2026/02/21 05:41:08 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:41:08 DEBUG : Looking for writers
2026/02/21 05:41:08 DEBUG : >WaitForWriters: 
2026/02/21 05:41:08 ERROR : error listing: directory not found
--- FAIL: TestFileReadAtNonZeroLength (1.21s)
=== RUN   TestZipManyFiles
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:41:08 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:41:08 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:41:08.694107 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:41:08.694137 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:41:08 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:41:08 DEBUG : Looking for writers
2026/02/21 05:41:08 DEBUG : >WaitForWriters: 
2026/02/21 05:41:08 ERROR : error listing: directory not found
--- FAIL: TestZipManyFiles (0.66s)
=== RUN   TestZipManySubDirs
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:41:08 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:41:08 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:41:09.688767 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:41:09.688824 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:41:09 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:41:09 DEBUG : Looking for writers
2026/02/21 05:41:09 DEBUG : >WaitForWriters: 
2026/02/21 05:41:09 ERROR : error listing: directory not found
--- FAIL: TestZipManySubDirs (1.02s)
=== RUN   TestZipLargeFiles
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:41:09 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:41:09 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:41:10.426786 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:41:10.426818 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:41:10 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:41:10 DEBUG : Looking for writers
2026/02/21 05:41:10 DEBUG : >WaitForWriters: 
2026/02/21 05:41:10 ERROR : error listing: directory not found
--- FAIL: TestZipLargeFiles (0.66s)
=== RUN   TestZipDirsInRoot
    run.go:185: Remote "proton drive root link ID 'rclone-test-vunifoj0nihu'", Local "Local file system at /tmp/rclone3867274110", Modify Window "1s"
2026/02/21 05:41:10 INFO  : proton drive root link ID 'rclone-test-vunifoj0nihu': poll-interval is not supported by this remote
2026/02/21 05:41:10 NOTICE: proton drive root link ID 'rclone-test-vunifoj0nihu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/02/21 05:41:11.278670 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/02/21 05:41:11.278701 ERROR RESTY 422 POST https://mail.proton.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-vunifoj0nihu'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/02/21 05:41:11 DEBUG : WaitForWriters: timeout=30s
2026/02/21 05:41:11 DEBUG : Looking for writers
2026/02/21 05:41:11 DEBUG : >WaitForWriters: 
2026/02/21 05:41:11 ERROR : error listing: directory not found
--- FAIL: TestZipDirsInRoot (0.84s)
FAIL
2026/02/21 05:41:11 DEBUG : proton drive root link ID 'rclone-test-vunifoj0nihu': Purge remote
2026/02/21 05:41:11 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 6m37.356152121s (try 3/5): 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]