"./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 5/5)
2026/03/01 05:39:15 DEBUG : Creating backend with remote "TestProtonDrive:rclone-test-xowemef2fina"
2026/03/01 05:39:15 DEBUG : Using config file from "/home/rclone/.rclone.conf"
2026/03/01 05:39:15 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': Has cached credentials
2026/03/01 05:39:15 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': Used cached credential to initialize the ProtonDrive API
2026/03/01 05:39:15 DEBUG : Creating backend with remote "/tmp/rclone1866219476"
=== RUN   TestDirHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:15 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:15 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:16.220118 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:16.220145 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:16 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:16 DEBUG : Looking for writers
2026/03/01 05:39:16 DEBUG : >WaitForWriters: 
2026/03/01 05:39:16 ERROR : error listing: directory not found
--- FAIL: TestDirHandleMethods (0.33s)
=== RUN   TestDirHandleReaddir
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:16 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:16 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:16.551631 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:16.551653 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:16 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:16 DEBUG : Looking for writers
2026/03/01 05:39:16 DEBUG : >WaitForWriters: 
2026/03/01 05:39:16 ERROR : error listing: directory not found
--- FAIL: TestDirHandleReaddir (0.33s)
=== RUN   TestDirHandleReaddirnames
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:16 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:16 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:16.879842 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:16.879867 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:16 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:16 DEBUG : Looking for writers
2026/03/01 05:39:16 DEBUG : >WaitForWriters: 
2026/03/01 05:39:16 ERROR : error listing: directory not found
--- FAIL: TestDirHandleReaddirnames (0.34s)
=== RUN   TestDirMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:16 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:16 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:17.240223 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:17.240246 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:17 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:17 DEBUG : Looking for writers
2026/03/01 05:39:17 DEBUG : >WaitForWriters: 
2026/03/01 05:39:17 ERROR : error listing: directory not found
--- FAIL: TestDirMethods (0.35s)
=== RUN   TestDirForgetAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:17 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:17 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:17.576789 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:17.576817 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:17 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:17 DEBUG : Looking for writers
2026/03/01 05:39:17 DEBUG : >WaitForWriters: 
2026/03/01 05:39:17 ERROR : error listing: directory not found
--- FAIL: TestDirForgetAll (0.32s)
=== RUN   TestDirForgetPath
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:17 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:17 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:17.889019 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:17.889056 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:17 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:17 DEBUG : Looking for writers
2026/03/01 05:39:17 DEBUG : >WaitForWriters: 
2026/03/01 05:39:17 ERROR : error listing: directory not found
--- FAIL: TestDirForgetPath (0.32s)
=== RUN   TestDirWalk
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:17 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:17 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:18.212352 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:18.212378 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:18 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:18 DEBUG : Looking for writers
2026/03/01 05:39:18 DEBUG : >WaitForWriters: 
2026/03/01 05:39:18 ERROR : error listing: directory not found
--- FAIL: TestDirWalk (0.33s)
=== RUN   TestDirSetModTime
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:18 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:18 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:18.575313 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:18.575341 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:18 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:18 DEBUG : Looking for writers
2026/03/01 05:39:18 DEBUG : >WaitForWriters: 
2026/03/01 05:39:18 ERROR : error listing: directory not found
--- FAIL: TestDirSetModTime (0.37s)
=== RUN   TestDirStat
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:18 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:18 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:18.909894 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:18.909931 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:18 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:18 DEBUG : Looking for writers
2026/03/01 05:39:18 DEBUG : >WaitForWriters: 
2026/03/01 05:39:18 ERROR : error listing: directory not found
--- FAIL: TestDirStat (0.32s)
=== RUN   TestDirReadDirAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:18 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:18 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:19.253061 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:19.253092 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:19 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:19 DEBUG : Looking for writers
2026/03/01 05:39:19 DEBUG : >WaitForWriters: 
2026/03/01 05:39:19 ERROR : error listing: directory not found
--- FAIL: TestDirReadDirAll (0.34s)
=== RUN   TestDirOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:19 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:19 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:19.580100 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:19.580137 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:19 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:19 DEBUG : Looking for writers
2026/03/01 05:39:19 DEBUG : >WaitForWriters: 
2026/03/01 05:39:19 ERROR : error listing: directory not found
--- FAIL: TestDirOpen (0.34s)
=== RUN   TestDirCreate
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:19 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:19 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:19.923127 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:19.923152 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:19 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:19 DEBUG : Looking for writers
2026/03/01 05:39:19 DEBUG : >WaitForWriters: 
2026/03/01 05:39:19 ERROR : error listing: directory not found
--- FAIL: TestDirCreate (0.35s)
=== RUN   TestDirMkdir
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:19 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:19 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:20.274091 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:20.274123 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:20 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:20 DEBUG : Looking for writers
2026/03/01 05:39:20 DEBUG : >WaitForWriters: 
2026/03/01 05:39:20 ERROR : error listing: directory not found
--- FAIL: TestDirMkdir (0.35s)
=== RUN   TestDirMkdirSub
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:20 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:20 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:20.591617 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:20.591652 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:20 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:20 DEBUG : Looking for writers
2026/03/01 05:39:20 DEBUG : >WaitForWriters: 
2026/03/01 05:39:20 ERROR : error listing: directory not found
--- FAIL: TestDirMkdirSub (0.32s)
=== RUN   TestDirRemove
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:20 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:20 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:20.919619 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:20.919645 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:20 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:20 DEBUG : Looking for writers
2026/03/01 05:39:20 DEBUG : >WaitForWriters: 
2026/03/01 05:39:20 ERROR : error listing: directory not found
--- FAIL: TestDirRemove (0.32s)
=== RUN   TestDirRemoveAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:20 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:20 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:21.250808 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:21.250928 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:21 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:21 DEBUG : Looking for writers
2026/03/01 05:39:21 DEBUG : >WaitForWriters: 
2026/03/01 05:39:21 ERROR : error listing: directory not found
--- FAIL: TestDirRemoveAll (0.32s)
=== RUN   TestDirRemoveName
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:21 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:21 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:21.768414 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:21.768480 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:21 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:21 DEBUG : Looking for writers
2026/03/01 05:39:21 DEBUG : >WaitForWriters: 
2026/03/01 05:39:21 ERROR : error listing: directory not found
--- FAIL: TestDirRemoveName (0.52s)
=== RUN   TestDirRename
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:21 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:21 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:22.103041 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:22.103063 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:22 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:22 DEBUG : Looking for writers
2026/03/01 05:39:22 DEBUG : >WaitForWriters: 
2026/03/01 05:39:22 ERROR : error listing: directory not found
--- FAIL: TestDirRename (0.34s)
=== RUN   TestDirFileOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:22 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:22 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:22.425247 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:22.425283 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:22 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:22 DEBUG : Looking for writers
2026/03/01 05:39:22 DEBUG : >WaitForWriters: 
2026/03/01 05:39:22 ERROR : error listing: directory not found
--- FAIL: TestDirFileOpen (0.31s)
=== RUN   TestDirMetadataExtension
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:22 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:22 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:22.728243 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:22.728275 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:22 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:22 DEBUG : Looking for writers
2026/03/01 05:39:22 DEBUG : >WaitForWriters: 
2026/03/01 05:39:22 ERROR : error listing: directory not found
--- FAIL: TestDirMetadataExtension (0.30s)
=== RUN   TestFileMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:22 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:22 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:23.055158 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:23.055184 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:23 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:23 DEBUG : Looking for writers
2026/03/01 05:39:23 DEBUG : >WaitForWriters: 
2026/03/01 05:39:23 ERROR : error listing: directory not found
--- FAIL: TestFileMethods (0.33s)
=== RUN   TestFileSetModTime
=== RUN   TestFileSetModTime/cache=off,open=false,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:23 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:23 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:23.397538 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:23.397574 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:23 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:23 DEBUG : Looking for writers
2026/03/01 05:39:23 DEBUG : >WaitForWriters: 
2026/03/01 05:39:23 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-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:23 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:23 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:23.713292 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:23.713317 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:23 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:23 DEBUG : Looking for writers
2026/03/01 05:39:23 DEBUG : >WaitForWriters: 
2026/03/01 05:39:23 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-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:23 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:23 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:24.223008 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:24.223054 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:24 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:24 DEBUG : Looking for writers
2026/03/01 05:39:24 DEBUG : >WaitForWriters: 
2026/03/01 05:39:24 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-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:24 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:24 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:24 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:24 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:24 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:24.571655 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:24.571696 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:24 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:24 DEBUG : Looking for writers
2026/03/01 05:39:24 DEBUG : >WaitForWriters: 
2026/03/01 05:39:24 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:24 ERROR : error listing: directory not found
=== RUN   TestFileSetModTime/cache=full,open=true,write=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:24 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:24 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:24 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:24 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:24 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:24.875496 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:24.875557 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:24 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:24 DEBUG : Looking for writers
2026/03/01 05:39:24 DEBUG : >WaitForWriters: 
2026/03/01 05:39:24 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:24 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-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:24 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:24 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:24 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:24 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:24 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:24 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:25.209986 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:25.210059 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:25 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:25 DEBUG : Looking for writers
2026/03/01 05:39:25 DEBUG : >WaitForWriters: 
2026/03/01 05:39:25 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:25 ERROR : error listing: directory not found
--- FAIL: TestFileSetModTime (2.18s)
    --- FAIL: TestFileSetModTime/cache=off,open=false,write=false (0.34s)
    --- FAIL: TestFileSetModTime/cache=off,open=true,write=false (0.51s)
    --- FAIL: TestFileSetModTime/cache=off,open=true,write=true (0.31s)
    --- FAIL: TestFileSetModTime/cache=full,open=false,write=false (0.34s)
    --- FAIL: TestFileSetModTime/cache=full,open=true,write=false (0.33s)
    --- FAIL: TestFileSetModTime/cache=full,open=true,write=true (0.33s)
=== RUN   TestFileOpenRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:25 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:25 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:25.569085 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:25.569110 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:25 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:25 DEBUG : Looking for writers
2026/03/01 05:39:25 DEBUG : >WaitForWriters: 
2026/03/01 05:39:25 ERROR : error listing: directory not found
--- FAIL: TestFileOpenRead (0.34s)
=== RUN   TestFileOpenWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:25 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:25 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:25.889531 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:25.889562 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:25 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:25 DEBUG : Looking for writers
2026/03/01 05:39:25 DEBUG : >WaitForWriters: 
2026/03/01 05:39:25 ERROR : error listing: directory not found
--- FAIL: TestFileOpenWrite (0.31s)
=== RUN   TestFileRemove
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:25 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:25 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:26.217009 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:26.217045 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:26 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:26 DEBUG : Looking for writers
2026/03/01 05:39:26 DEBUG : >WaitForWriters: 
2026/03/01 05:39:26 ERROR : error listing: directory not found
--- FAIL: TestFileRemove (0.34s)
=== RUN   TestFileRemoveAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:26 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:26 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:26.545213 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:26.545240 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:26 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:26 DEBUG : Looking for writers
2026/03/01 05:39:26 DEBUG : >WaitForWriters: 
2026/03/01 05:39:26 ERROR : error listing: directory not found
--- FAIL: TestFileRemoveAll (0.34s)
=== RUN   TestFileOpen
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:26 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:26 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:26.889058 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:26.889099 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:26 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:26 DEBUG : Looking for writers
2026/03/01 05:39:26 DEBUG : >WaitForWriters: 
2026/03/01 05:39:26 ERROR : error listing: directory not found
--- FAIL: TestFileOpen (0.33s)
=== RUN   TestFileRename
=== RUN   TestFileRename/off,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:26 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:26 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:27.215617 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:27.215638 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:27 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:27 DEBUG : Looking for writers
2026/03/01 05:39:27 DEBUG : >WaitForWriters: 
2026/03/01 05:39:27 ERROR : error listing: directory not found
=== RUN   TestFileRename/minimal,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:27 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:27 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:27 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:27 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:27 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:27 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:27.562513 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:27.562538 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:27 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:27 DEBUG : Looking for writers
2026/03/01 05:39:27 DEBUG : >WaitForWriters: 
2026/03/01 05:39:27 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:27 ERROR : error listing: directory not found
=== RUN   TestFileRename/minimal,forceCache=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:27 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:27 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:27 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:27 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:27 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:27 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:27.889484 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:27.889531 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:27 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:27 DEBUG : Looking for writers
2026/03/01 05:39:27 DEBUG : >WaitForWriters: 
2026/03/01 05:39:27 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:27 ERROR : error listing: directory not found
=== RUN   TestFileRename/writes,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:27 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:27 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:27 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:27 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:27 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:27 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:28.225785 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:28.225809 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:28 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:28 DEBUG : Looking for writers
2026/03/01 05:39:28 DEBUG : >WaitForWriters: 
2026/03/01 05:39:28 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:28 ERROR : error listing: directory not found
=== RUN   TestFileRename/writes,forceCache=true
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:28 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:28 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:28 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:28 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:28 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:28 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:28 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:28 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:28 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:28 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:28 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:28.530767 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:28.530867 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:28 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:28 DEBUG : Looking for writers
2026/03/01 05:39:28 DEBUG : >WaitForWriters: 
2026/03/01 05:39:28 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:28 ERROR : error listing: directory not found
=== RUN   TestFileRename/full,forceCache=false
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:28 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:28 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:28 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:28 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:28 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:28 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:28 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:28 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:28 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:28 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:28 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:28.871388 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:28.871411 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:28 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:28 DEBUG : Looking for writers
2026/03/01 05:39:28 DEBUG : >WaitForWriters: 
2026/03/01 05:39:28 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:28 ERROR : error listing: directory not found
--- FAIL: TestFileRename (2.00s)
    --- FAIL: TestFileRename/off,forceCache=false (0.34s)
    --- FAIL: TestFileRename/minimal,forceCache=false (0.32s)
    --- FAIL: TestFileRename/minimal,forceCache=true (0.33s)
    --- FAIL: TestFileRename/writes,forceCache=false (0.33s)
    --- FAIL: TestFileRename/writes,forceCache=true (0.33s)
    --- FAIL: TestFileRename/full,forceCache=false (0.34s)
=== RUN   TestReadFileHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:28 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:28 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:29.239920 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:29.239940 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:29 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:29 DEBUG : Looking for writers
2026/03/01 05:39:29 DEBUG : >WaitForWriters: 
2026/03/01 05:39:29 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleMethods (0.36s)
=== RUN   TestReadFileHandleSeek
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:29 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:29 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:29.559700 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:29.559727 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:29 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:29 DEBUG : Looking for writers
2026/03/01 05:39:29 DEBUG : >WaitForWriters: 
2026/03/01 05:39:29 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleSeek (0.31s)
=== RUN   TestReadFileHandleReadAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:29 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:29 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:29.875195 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:29.875236 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:29 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:29 DEBUG : Looking for writers
2026/03/01 05:39:29 DEBUG : >WaitForWriters: 
2026/03/01 05:39:29 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleReadAt (0.30s)
=== RUN   TestReadFileHandleFlush
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:29 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:29 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:30.225237 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:30.225269 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:30 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:30 DEBUG : Looking for writers
2026/03/01 05:39:30 DEBUG : >WaitForWriters: 
2026/03/01 05:39:30 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleFlush (0.35s)
=== RUN   TestReadFileHandleRelease
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:30 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:30 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:39:30.534346 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:30.534375 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:30 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:30 DEBUG : Looking for writers
2026/03/01 05:39:30 DEBUG : >WaitForWriters: 
2026/03/01 05:39:30 ERROR : error listing: directory not found
--- FAIL: TestReadFileHandleRelease (0.31s)
=== RUN   TestRWFileHandleMethodsRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:30 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:30 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:30 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:30 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:30 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:30 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:30 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:30 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:30 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:30 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:30 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:30.838382 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:30.838411 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:30 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:30 DEBUG : Looking for writers
2026/03/01 05:39:30 DEBUG : >WaitForWriters: 
2026/03/01 05:39:30 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:30 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleMethodsRead (0.31s)
=== RUN   TestRWFileHandleSeek
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:30 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:30 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:30 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:30 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:30 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:30 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:30 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:30 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:30 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:30 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:30 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:31.152868 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:31.152909 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:31 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:31 DEBUG : Looking for writers
2026/03/01 05:39:31 DEBUG : >WaitForWriters: 
2026/03/01 05:39:31 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:31 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSeek (0.33s)
=== RUN   TestRWFileHandleReadAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:31 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:31 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:31 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:31 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:31 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:31.481726 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:31.481760 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:31 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:31 DEBUG : Looking for writers
2026/03/01 05:39:31 DEBUG : >WaitForWriters: 
2026/03/01 05:39:31 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:31 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleReadAt (0.31s)
=== RUN   TestRWFileHandleFlushRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:31 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:31 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:31 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:31 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:31 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:31.804796 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:31.804835 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:31 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:31 DEBUG : Looking for writers
2026/03/01 05:39:31 DEBUG : >WaitForWriters: 
2026/03/01 05:39:31 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:31 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleFlushRead (0.32s)
=== RUN   TestRWFileHandleReleaseRead
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:31 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:31 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:31 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:31 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:31 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:31 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:32.138062 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:32.138095 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:32 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:32 DEBUG : Looking for writers
2026/03/01 05:39:32 DEBUG : >WaitForWriters: 
2026/03/01 05:39:32 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:39:32 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleReleaseRead (0.34s)
=== RUN   TestRWFileHandleMethodsWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:39:32 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:39:32 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:39:32 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:32 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:32 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:32 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:32 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:32 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:32 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:39:32 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:39:32 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:39:32 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:39:32 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:39:32 DEBUG : file1: newRWFileHandle: 
2026/03/01 05:39:32 DEBUG : file1(0xc0008c6240): openPending: 
2026/03/01 05:39:32 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/03/01 05:39:32 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:39:32 DEBUG : file1(0xc0008c6240): >openPending: err=<nil>
2026/03/01 05:39:32 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/03/01 05:39:32 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:39:32 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/03/01 05:39:32 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/03/01 05:39:32 DEBUG : file1(0xc0008c6240): _writeAt: size=5, off=0
2026/03/01 05:39:32 DEBUG : file1(0xc0008c6240): >_writeAt: n=5, err=<nil>
2026/03/01 05:39:32 DEBUG : file1(0xc0008c6240): _writeAt: size=7, off=5
2026/03/01 05:39:32 DEBUG : file1(0xc0008c6240): >_writeAt: n=7, err=<nil>
2026/03/01 05:39:32 DEBUG : file1: vfs cache: truncate to size=11
2026/03/01 05:39:32 DEBUG : file1(0xc0008c6240): close: 
2026/03/01 05:39:32 DEBUG : file1: vfs cache: setting modification time to 2026-03-01 05:39:32.277623695 +0000 UTC m=+17.135829573
2026/03/01 05:39:32 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/03/01 05:39:32 DEBUG : file1(0xc0008c6240): >close: err=<nil>
2026/03/01 05:39:32 DEBUG : file1(0xc0008c6240): close: 
2026/03/01 05:39:32 DEBUG : file1(0xc0008c6240): >close: err=file already closed
2026/03/01 05:39:32 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:39:32 DEBUG : Looking for writers
2026/03/01 05:39:32 DEBUG : file1: reading active writers
2026/03/01 05:39:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/03/01 05:39:32 DEBUG : Looking for writers
2026/03/01 05:39:32 DEBUG : file1: reading active writers
2026/03/01 05:39:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/03/01 05:39:32 DEBUG : Looking for writers
2026/03/01 05:39:32 DEBUG : file1: reading active writers
2026/03/01 05:39:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/03/01 05:39:32 DEBUG : Looking for writers
2026/03/01 05:39:32 DEBUG : file1: reading active writers
2026/03/01 05:39:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/03/01 05:39:32 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:39:32 DEBUG : Looking for writers
2026/03/01 05:39:32 DEBUG : file1: reading active writers
2026/03/01 05:39:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/03/01 05:39:32 DEBUG : Looking for writers
2026/03/01 05:39:32 DEBUG : file1: reading active writers
2026/03/01 05:39:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/03/01 05:39:32.701137 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:32.701164 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:32 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)
2026/03/01 05:39:32 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)
2026/03/01 05:39:32 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:39:32 DEBUG : Looking for writers
2026/03/01 05:39:32 DEBUG : file1: reading active writers
2026/03/01 05:39:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/03/01 05:39:33.226711 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:33.226783 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:33 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:33 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)
2026/03/01 05:39:33 DEBUG : Looking for writers
2026/03/01 05:39:33 DEBUG : file1: reading active writers
2026/03/01 05:39:33 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:33 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:39:33.954952 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:33.954989 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:33 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:33 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)
2026/03/01 05:39:34 DEBUG : Looking for writers
2026/03/01 05:39:34 DEBUG : file1: reading active writers
2026/03/01 05:39:34 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:34 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:39:35.075728 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:35.075769 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:35 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:35 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)
2026/03/01 05:39:35 DEBUG : Looking for writers
2026/03/01 05:39:35 DEBUG : file1: reading active writers
2026/03/01 05:39:35 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:36 DEBUG : Looking for writers
2026/03/01 05:39:36 DEBUG : file1: reading active writers
2026/03/01 05:39:36 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:36 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:39:37.017873 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:37.017906 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:37 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)
2026/03/01 05:39:37 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)
2026/03/01 05:39:37 DEBUG : Looking for writers
2026/03/01 05:39:37 DEBUG : file1: reading active writers
2026/03/01 05:39:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:38 DEBUG : Looking for writers
2026/03/01 05:39:38 DEBUG : file1: reading active writers
2026/03/01 05:39:38 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:39 DEBUG : Looking for writers
2026/03/01 05:39:39 DEBUG : file1: reading active writers
2026/03/01 05:39:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:40 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:39:40.552237 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:40.552270 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:40 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)
2026/03/01 05:39:40 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)
2026/03/01 05:39:40 DEBUG : Looking for writers
2026/03/01 05:39:40 DEBUG : file1: reading active writers
2026/03/01 05:39:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:41 DEBUG : Looking for writers
2026/03/01 05:39:41 DEBUG : file1: reading active writers
2026/03/01 05:39:41 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:42 DEBUG : Looking for writers
2026/03/01 05:39:42 DEBUG : file1: reading active writers
2026/03/01 05:39:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:43 DEBUG : Looking for writers
2026/03/01 05:39:43 DEBUG : file1: reading active writers
2026/03/01 05:39:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:44 DEBUG : Looking for writers
2026/03/01 05:39:44 DEBUG : file1: reading active writers
2026/03/01 05:39:44 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:45 DEBUG : Looking for writers
2026/03/01 05:39:45 DEBUG : file1: reading active writers
2026/03/01 05:39:45 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:46 DEBUG : Looking for writers
2026/03/01 05:39:46 DEBUG : file1: reading active writers
2026/03/01 05:39:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:46 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:39:47.305314 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:39:47.305333 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:47 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:39:47 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)
2026/03/01 05:39:47 DEBUG : Looking for writers
2026/03/01 05:39:47 DEBUG : file1: reading active writers
2026/03/01 05:39:47 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:48 DEBUG : Looking for writers
2026/03/01 05:39:48 DEBUG : file1: reading active writers
2026/03/01 05:39:48 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:49 DEBUG : Looking for writers
2026/03/01 05:39:49 DEBUG : file1: reading active writers
2026/03/01 05:39:49 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:50 DEBUG : Looking for writers
2026/03/01 05:39:50 DEBUG : file1: reading active writers
2026/03/01 05:39:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:51 DEBUG : Looking for writers
2026/03/01 05:39:51 DEBUG : file1: reading active writers
2026/03/01 05:39:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:52 DEBUG : Looking for writers
2026/03/01 05:39:52 DEBUG : file1: reading active writers
2026/03/01 05:39:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:53 DEBUG : Looking for writers
2026/03/01 05:39:53 DEBUG : file1: reading active writers
2026/03/01 05:39:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:54 DEBUG : Looking for writers
2026/03/01 05:39:54 DEBUG : file1: reading active writers
2026/03/01 05:39:54 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:55 DEBUG : Looking for writers
2026/03/01 05:39:55 DEBUG : file1: reading active writers
2026/03/01 05:39:55 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:56 DEBUG : Looking for writers
2026/03/01 05:39:56 DEBUG : file1: reading active writers
2026/03/01 05:39:56 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:57 DEBUG : Looking for writers
2026/03/01 05:39:57 DEBUG : file1: reading active writers
2026/03/01 05:39:57 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:58 DEBUG : Looking for writers
2026/03/01 05:39:58 DEBUG : file1: reading active writers
2026/03/01 05:39:58 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:39:59 DEBUG : Looking for writers
2026/03/01 05:39:59 DEBUG : file1: reading active writers
2026/03/01 05:39:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:00 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:40:00.433397 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:40:00.433421 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:40:00 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:40:00 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)
2026/03/01 05:40:00 DEBUG : Looking for writers
2026/03/01 05:40:00 DEBUG : file1: reading active writers
2026/03/01 05:40:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:01 DEBUG : Looking for writers
2026/03/01 05:40:01 DEBUG : file1: reading active writers
2026/03/01 05:40:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:02 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc000b44960 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000b65208 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824645669440} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14006496266499666831 ext:17135829573 loc:0x45874c0} ATime:{wall:14006496266499680407 ext:17135843149 loc:0x45874c0} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/03/01 05:40:02 DEBUG : >WaitForWriters: 
2026/03/01 05:40:02 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
2026/03/01 05:40:03 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
2026/03/01 05:40:05 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
2026/03/01 05:40:09 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:40:09 DEBUG : Looking for writers
2026/03/01 05:40:09 DEBUG : file1: reading active writers
2026/03/01 05:40:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/03/01 05:40:09 DEBUG : Looking for writers
2026/03/01 05:40:09 DEBUG : file1: reading active writers
2026/03/01 05:40:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/03/01 05:40:09 DEBUG : Looking for writers
2026/03/01 05:40:09 DEBUG : file1: reading active writers
2026/03/01 05:40:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/03/01 05:40:09 DEBUG : Looking for writers
2026/03/01 05:40:09 DEBUG : file1: reading active writers
2026/03/01 05:40:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/03/01 05:40:09 DEBUG : Looking for writers
2026/03/01 05:40:09 DEBUG : file1: reading active writers
2026/03/01 05:40:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/03/01 05:40:09 DEBUG : Looking for writers
2026/03/01 05:40:09 DEBUG : file1: reading active writers
2026/03/01 05:40:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/03/01 05:40:10 DEBUG : Looking for writers
2026/03/01 05:40:10 DEBUG : file1: reading active writers
2026/03/01 05:40:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/03/01 05:40:10 DEBUG : Looking for writers
2026/03/01 05:40:10 DEBUG : file1: reading active writers
2026/03/01 05:40:10 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:11 DEBUG : Looking for writers
2026/03/01 05:40:11 DEBUG : file1: reading active writers
2026/03/01 05:40:11 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:12 DEBUG : Looking for writers
2026/03/01 05:40:12 DEBUG : file1: reading active writers
2026/03/01 05:40:12 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:13 DEBUG : Looking for writers
2026/03/01 05:40:13 DEBUG : file1: reading active writers
2026/03/01 05:40:13 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:14 DEBUG : Looking for writers
2026/03/01 05:40:14 DEBUG : file1: reading active writers
2026/03/01 05:40:14 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:15 DEBUG : Looking for writers
2026/03/01 05:40:15 DEBUG : file1: reading active writers
2026/03/01 05:40:15 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:16 DEBUG : Looking for writers
2026/03/01 05:40:16 DEBUG : file1: reading active writers
2026/03/01 05:40:16 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:17 DEBUG : Looking for writers
2026/03/01 05:40:17 DEBUG : file1: reading active writers
2026/03/01 05:40:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:18 DEBUG : Looking for writers
2026/03/01 05:40:18 DEBUG : file1: reading active writers
2026/03/01 05:40:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:19 DEBUG : Looking for writers
2026/03/01 05:40:19 DEBUG : file1: reading active writers
2026/03/01 05:40:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:20 DEBUG : Looking for writers
2026/03/01 05:40:20 DEBUG : file1: reading active writers
2026/03/01 05:40:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:21 DEBUG : Looking for writers
2026/03/01 05:40:21 DEBUG : file1: reading active writers
2026/03/01 05:40:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:22 DEBUG : Looking for writers
2026/03/01 05:40:22 DEBUG : file1: reading active writers
2026/03/01 05:40:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:23 DEBUG : Looking for writers
2026/03/01 05:40:23 DEBUG : file1: reading active writers
2026/03/01 05:40:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:24 DEBUG : Looking for writers
2026/03/01 05:40:24 DEBUG : file1: reading active writers
2026/03/01 05:40:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:25 DEBUG : Looking for writers
2026/03/01 05:40:25 DEBUG : file1: reading active writers
2026/03/01 05:40:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:26 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:40:26.430097 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:40:26.430122 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:40:26 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)
2026/03/01 05:40:26 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)
2026/03/01 05:40:26 DEBUG : Looking for writers
2026/03/01 05:40:26 DEBUG : file1: reading active writers
2026/03/01 05:40:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:27 DEBUG : Looking for writers
2026/03/01 05:40:27 DEBUG : file1: reading active writers
2026/03/01 05:40:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:28 DEBUG : Looking for writers
2026/03/01 05:40:28 DEBUG : file1: reading active writers
2026/03/01 05:40:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:29 DEBUG : Looking for writers
2026/03/01 05:40:29 DEBUG : file1: reading active writers
2026/03/01 05:40:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:30 DEBUG : Looking for writers
2026/03/01 05:40:30 DEBUG : file1: reading active writers
2026/03/01 05:40:30 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:31 DEBUG : Looking for writers
2026/03/01 05:40:31 DEBUG : file1: reading active writers
2026/03/01 05:40:31 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:32 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/03/01 05:40:32 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 1 (was 1) in use 1, to upload 1, uploading 0, total size 11 (was 11)
2026/03/01 05:40:32 DEBUG : Looking for writers
2026/03/01 05:40:32 DEBUG : file1: reading active writers
2026/03/01 05:40:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:33 DEBUG : Looking for writers
2026/03/01 05:40:33 DEBUG : file1: reading active writers
2026/03/01 05:40:33 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:34 DEBUG : Looking for writers
2026/03/01 05:40:34 DEBUG : file1: reading active writers
2026/03/01 05:40:34 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:35 DEBUG : Looking for writers
2026/03/01 05:40:35 DEBUG : file1: reading active writers
2026/03/01 05:40:35 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:36 DEBUG : Looking for writers
2026/03/01 05:40:36 DEBUG : file1: reading active writers
2026/03/01 05:40:36 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:37 DEBUG : Looking for writers
2026/03/01 05:40:37 DEBUG : file1: reading active writers
2026/03/01 05:40:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:38 DEBUG : Looking for writers
2026/03/01 05:40:38 DEBUG : file1: reading active writers
2026/03/01 05:40:38 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:39 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc000b44960 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000b65208 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824645669440} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14006496266499666831 ext:17135829573 loc:0x45874c0} ATime:{wall:14006496266499680407 ext:17135843149 loc:0x45874c0} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/03/01 05:40:39 DEBUG : >WaitForWriters: 
2026/03/01 05:40:39 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:40:39 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleMethodsWrite (67.45s)
=== RUN   TestRWFileHandleWriteAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:40:39 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:40:39 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:40:39 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:40:39 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:40:39 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:40:39 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:40:39 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:40:39 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:40:39 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:40:39 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:40:39 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:40:39 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:40:39 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:40:39 DEBUG : file1: newRWFileHandle: 
2026/03/01 05:40:39 DEBUG : file1(0xc000369ac0): openPending: 
2026/03/01 05:40:39 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/03/01 05:40:39 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:40:39 DEBUG : file1(0xc000369ac0): >openPending: err=<nil>
2026/03/01 05:40:39 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/03/01 05:40:39 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:40:39 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/03/01 05:40:39 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/03/01 05:40:39 DEBUG : file1(0xc000369ac0): _writeAt: size=7, off=0
2026/03/01 05:40:39 DEBUG : file1(0xc000369ac0): >_writeAt: n=7, err=<nil>
2026/03/01 05:40:39 DEBUG : file1(0xc000369ac0): _writeAt: size=6, off=5
2026/03/01 05:40:39 DEBUG : file1(0xc000369ac0): >_writeAt: n=6, err=<nil>
2026/03/01 05:40:39 DEBUG : file1(0xc000369ac0): close: 
2026/03/01 05:40:39 DEBUG : file1: vfs cache: setting modification time to 2026-03-01 05:40:39.721492142 +0000 UTC m=+84.579698050
2026/03/01 05:40:39 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/03/01 05:40:39 DEBUG : file1(0xc000369ac0): >close: err=<nil>
2026/03/01 05:40:39 DEBUG : file1(0xc000369ac0): _writeAt: size=5, off=0
2026/03/01 05:40:39 DEBUG : file1(0xc000369ac0): >_writeAt: n=0, err=file already closed
2026/03/01 05:40:39 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:40:39 DEBUG : Looking for writers
2026/03/01 05:40:39 DEBUG : file1: reading active writers
2026/03/01 05:40:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/03/01 05:40:39 DEBUG : Looking for writers
2026/03/01 05:40:39 DEBUG : file1: reading active writers
2026/03/01 05:40:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/03/01 05:40:39 DEBUG : Looking for writers
2026/03/01 05:40:39 DEBUG : file1: reading active writers
2026/03/01 05:40:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/03/01 05:40:39 DEBUG : Looking for writers
2026/03/01 05:40:39 DEBUG : file1: reading active writers
2026/03/01 05:40:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/03/01 05:40:39 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:40:39 DEBUG : Looking for writers
2026/03/01 05:40:39 DEBUG : file1: reading active writers
2026/03/01 05:40:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/03/01 05:40:40 DEBUG : Looking for writers
2026/03/01 05:40:40 DEBUG : file1: reading active writers
2026/03/01 05:40:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/03/01 05:40:40.168752 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:40:40.168784 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:40:40 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)
2026/03/01 05:40:40 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)
2026/03/01 05:40:40 DEBUG : Looking for writers
2026/03/01 05:40:40 DEBUG : file1: reading active writers
2026/03/01 05:40:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/03/01 05:40:40 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:40:40.740118 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:40:40.740149 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:40:40 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)
2026/03/01 05:40:40 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)
2026/03/01 05:40:40 DEBUG : Looking for writers
2026/03/01 05:40:40 DEBUG : file1: reading active writers
2026/03/01 05:40:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:41 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:40:41.454521 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:40:41.454545 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:40:41 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)
2026/03/01 05:40:41 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)
2026/03/01 05:40:41 DEBUG : Looking for writers
2026/03/01 05:40:41 DEBUG : file1: reading active writers
2026/03/01 05:40:41 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:42 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:40:42.674476 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:40:42.674495 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:40:42 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)
2026/03/01 05:40:42 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)
2026/03/01 05:40:42 DEBUG : Looking for writers
2026/03/01 05:40:42 DEBUG : file1: reading active writers
2026/03/01 05:40:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:43 DEBUG : Looking for writers
2026/03/01 05:40:43 DEBUG : file1: reading active writers
2026/03/01 05:40:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:44 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:40:44.613307 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:40:44.613337 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:40:44 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:40:44 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)
2026/03/01 05:40:44 DEBUG : Looking for writers
2026/03/01 05:40:44 DEBUG : file1: reading active writers
2026/03/01 05:40:44 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:45 DEBUG : Looking for writers
2026/03/01 05:40:45 DEBUG : file1: reading active writers
2026/03/01 05:40:45 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:47 DEBUG : Looking for writers
2026/03/01 05:40:47 DEBUG : file1: reading active writers
2026/03/01 05:40:47 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:47 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:40:48 DEBUG : Looking for writers
2026/03/01 05:40:48 DEBUG : file1: reading active writers
2026/03/01 05:40:48 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:48.191072 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:40:48.191111 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:40:48 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)
2026/03/01 05:40:48 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)
2026/03/01 05:40:49 DEBUG : Looking for writers
2026/03/01 05:40:49 DEBUG : file1: reading active writers
2026/03/01 05:40:49 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:50 DEBUG : Looking for writers
2026/03/01 05:40:50 DEBUG : file1: reading active writers
2026/03/01 05:40:50 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:51 DEBUG : Looking for writers
2026/03/01 05:40:51 DEBUG : file1: reading active writers
2026/03/01 05:40:51 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:52 DEBUG : Looking for writers
2026/03/01 05:40:52 DEBUG : file1: reading active writers
2026/03/01 05:40:52 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:53 DEBUG : Looking for writers
2026/03/01 05:40:53 DEBUG : file1: reading active writers
2026/03/01 05:40:53 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:54 DEBUG : Looking for writers
2026/03/01 05:40:54 DEBUG : file1: reading active writers
2026/03/01 05:40:54 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:54 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:40:54.936795 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:40:54.936823 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:40:54 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)
2026/03/01 05:40:54 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)
2026/03/01 05:40:55 DEBUG : Looking for writers
2026/03/01 05:40:55 DEBUG : file1: reading active writers
2026/03/01 05:40:55 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:56 DEBUG : Looking for writers
2026/03/01 05:40:56 DEBUG : file1: reading active writers
2026/03/01 05:40:56 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:57 DEBUG : Looking for writers
2026/03/01 05:40:57 DEBUG : file1: reading active writers
2026/03/01 05:40:57 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:58 DEBUG : Looking for writers
2026/03/01 05:40:58 DEBUG : file1: reading active writers
2026/03/01 05:40:58 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:40:59 DEBUG : Looking for writers
2026/03/01 05:40:59 DEBUG : file1: reading active writers
2026/03/01 05:40:59 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:00 DEBUG : Looking for writers
2026/03/01 05:41:00 DEBUG : file1: reading active writers
2026/03/01 05:41:00 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:01 DEBUG : Looking for writers
2026/03/01 05:41:01 DEBUG : file1: reading active writers
2026/03/01 05:41:01 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:02 DEBUG : Looking for writers
2026/03/01 05:41:02 DEBUG : file1: reading active writers
2026/03/01 05:41:02 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:03 DEBUG : Looking for writers
2026/03/01 05:41:03 DEBUG : file1: reading active writers
2026/03/01 05:41:03 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:04 DEBUG : Looking for writers
2026/03/01 05:41:04 DEBUG : file1: reading active writers
2026/03/01 05:41:04 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:05 DEBUG : Looking for writers
2026/03/01 05:41:05 DEBUG : file1: reading active writers
2026/03/01 05:41:05 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:06 DEBUG : Looking for writers
2026/03/01 05:41:06 DEBUG : file1: reading active writers
2026/03/01 05:41:06 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:07 DEBUG : Looking for writers
2026/03/01 05:41:07 DEBUG : file1: reading active writers
2026/03/01 05:41:07 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:07 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:41:08 DEBUG : Looking for writers
2026/03/01 05:41:08 DEBUG : file1: reading active writers
2026/03/01 05:41:08 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:08.090203 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:08.090241 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:08 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)
2026/03/01 05:41:08 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)
2026/03/01 05:41:09 DEBUG : Looking for writers
2026/03/01 05:41:09 DEBUG : file1: reading active writers
2026/03/01 05:41:09 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:09 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc000b184b0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000a46508 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824644494656} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14006496338884237486 ext:84579698050 loc:0x45874c0} ATime:{wall:14006496338884268434 ext:84579728999 loc:0x45874c0} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/03/01 05:41:09 DEBUG : >WaitForWriters: 
2026/03/01 05:41:09 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
2026/03/01 05:41:10 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
2026/03/01 05:41:13 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
2026/03/01 05:41:17 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:41:17 DEBUG : Looking for writers
2026/03/01 05:41:17 DEBUG : file1: reading active writers
2026/03/01 05:41:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 10ms
2026/03/01 05:41:17 DEBUG : Looking for writers
2026/03/01 05:41:17 DEBUG : file1: reading active writers
2026/03/01 05:41:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 20ms
2026/03/01 05:41:17 DEBUG : Looking for writers
2026/03/01 05:41:17 DEBUG : file1: reading active writers
2026/03/01 05:41:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 40ms
2026/03/01 05:41:17 DEBUG : Looking for writers
2026/03/01 05:41:17 DEBUG : file1: reading active writers
2026/03/01 05:41:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 80ms
2026/03/01 05:41:17 DEBUG : Looking for writers
2026/03/01 05:41:17 DEBUG : file1: reading active writers
2026/03/01 05:41:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 160ms
2026/03/01 05:41:17 DEBUG : Looking for writers
2026/03/01 05:41:17 DEBUG : file1: reading active writers
2026/03/01 05:41:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 320ms
2026/03/01 05:41:17 DEBUG : Looking for writers
2026/03/01 05:41:17 DEBUG : file1: reading active writers
2026/03/01 05:41:17 DEBUG : Still 0 writers active and 1 cache items in use, waiting 640ms
2026/03/01 05:41:18 DEBUG : Looking for writers
2026/03/01 05:41:18 DEBUG : file1: reading active writers
2026/03/01 05:41:18 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:19 DEBUG : Looking for writers
2026/03/01 05:41:19 DEBUG : file1: reading active writers
2026/03/01 05:41:19 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:20 DEBUG : Looking for writers
2026/03/01 05:41:20 DEBUG : file1: reading active writers
2026/03/01 05:41:20 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:21 DEBUG : Looking for writers
2026/03/01 05:41:21 DEBUG : file1: reading active writers
2026/03/01 05:41:21 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:22 DEBUG : Looking for writers
2026/03/01 05:41:22 DEBUG : file1: reading active writers
2026/03/01 05:41:22 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:23 DEBUG : Looking for writers
2026/03/01 05:41:23 DEBUG : file1: reading active writers
2026/03/01 05:41:23 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:24 DEBUG : Looking for writers
2026/03/01 05:41:24 DEBUG : file1: reading active writers
2026/03/01 05:41:24 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:25 DEBUG : Looking for writers
2026/03/01 05:41:25 DEBUG : file1: reading active writers
2026/03/01 05:41:25 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:26 DEBUG : Looking for writers
2026/03/01 05:41:26 DEBUG : file1: reading active writers
2026/03/01 05:41:26 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:27 DEBUG : Looking for writers
2026/03/01 05:41:27 DEBUG : file1: reading active writers
2026/03/01 05:41:27 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:28 DEBUG : Looking for writers
2026/03/01 05:41:28 DEBUG : file1: reading active writers
2026/03/01 05:41:28 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:29 DEBUG : Looking for writers
2026/03/01 05:41:29 DEBUG : file1: reading active writers
2026/03/01 05:41:29 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:30 DEBUG : Looking for writers
2026/03/01 05:41:30 DEBUG : file1: reading active writers
2026/03/01 05:41:30 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:31 DEBUG : Looking for writers
2026/03/01 05:41:31 DEBUG : file1: reading active writers
2026/03/01 05:41:31 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:32 DEBUG : Looking for writers
2026/03/01 05:41:32 DEBUG : file1: reading active writers
2026/03/01 05:41:32 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:33 DEBUG : Looking for writers
2026/03/01 05:41:33 DEBUG : file1: reading active writers
2026/03/01 05:41:33 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:33 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:41:34.109185 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:34.109216 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:34 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)
2026/03/01 05:41:34 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)
2026/03/01 05:41:34 DEBUG : Looking for writers
2026/03/01 05:41:34 DEBUG : file1: reading active writers
2026/03/01 05:41:34 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:35 DEBUG : Looking for writers
2026/03/01 05:41:35 DEBUG : file1: reading active writers
2026/03/01 05:41:35 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:36 DEBUG : Looking for writers
2026/03/01 05:41:36 DEBUG : file1: reading active writers
2026/03/01 05:41:36 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:37 DEBUG : Looking for writers
2026/03/01 05:41:37 DEBUG : file1: reading active writers
2026/03/01 05:41:37 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:38 DEBUG : Looking for writers
2026/03/01 05:41:38 DEBUG : file1: reading active writers
2026/03/01 05:41:38 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:39 DEBUG : Looking for writers
2026/03/01 05:41:39 DEBUG : file1: reading active writers
2026/03/01 05:41:39 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:39 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/03/01 05:41:39 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 1 (was 1) in use 1, to upload 1, uploading 0, total size 11 (was 11)
2026/03/01 05:41:40 DEBUG : Looking for writers
2026/03/01 05:41:40 DEBUG : file1: reading active writers
2026/03/01 05:41:40 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:41 DEBUG : Looking for writers
2026/03/01 05:41:41 DEBUG : file1: reading active writers
2026/03/01 05:41:41 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:42 DEBUG : Looking for writers
2026/03/01 05:41:42 DEBUG : file1: reading active writers
2026/03/01 05:41:42 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:43 DEBUG : Looking for writers
2026/03/01 05:41:43 DEBUG : file1: reading active writers
2026/03/01 05:41:43 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:44 DEBUG : Looking for writers
2026/03/01 05:41:44 DEBUG : file1: reading active writers
2026/03/01 05:41:44 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:45 DEBUG : Looking for writers
2026/03/01 05:41:45 DEBUG : file1: reading active writers
2026/03/01 05:41:45 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:46 DEBUG : Looking for writers
2026/03/01 05:41:46 DEBUG : file1: reading active writers
2026/03/01 05:41:46 DEBUG : Still 0 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:41:47 ERROR : Exiting even though 0 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc000b184b0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc000a46508 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824644494656} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14006496338884237486 ext:84579698050 loc:0x45874c0} ATime:{wall:14006496338884268434 ext:84579728999 loc:0x45874c0} Size:11 Rs:[{Pos:0 Size:11}] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/03/01 05:41:47 DEBUG : >WaitForWriters: 
2026/03/01 05:41:47 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:41:47 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleWriteAt (67.54s)
=== RUN   TestRWFileHandleWriteNoWrite
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:41:47 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:41:47 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:41:47 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:41:47 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:41:47 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:41:47 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:41:47 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:41:47 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:41:47 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:41:47 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:41:47 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:41:47 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:41:47 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:41:47 DEBUG : file1: newRWFileHandle: 
2026/03/01 05:41:47 DEBUG : file1(0xc0003ab4c0): openPending: 
2026/03/01 05:41:47 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/03/01 05:41:47 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:41:47 DEBUG : file1(0xc0003ab4c0): >openPending: err=<nil>
2026/03/01 05:41:47 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/03/01 05:41:47 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:41:47 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/03/01 05:41:47 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/03/01 05:41:47 DEBUG : file1(0xc0003ab4c0): close: 
2026/03/01 05:41:47 DEBUG : file1: vfs cache: setting modification time to 2026-03-01 05:41:47.261286772 +0000 UTC m=+152.119492680
2026/03/01 05:41:47 INFO  : file1: vfs cache: queuing for upload in 100ms
2026/03/01 05:41:47 DEBUG : file1(0xc0003ab4c0): >close: err=<nil>
2026/03/01 05:41:47 DEBUG : file2: OpenFile: flags=O_WRONLY|O_CREATE|O_TRUNC, perm=-rwxrwxrwx
2026/03/01 05:41:47 DEBUG : file2: Open: flags=O_WRONLY|O_CREATE|O_TRUNC
2026/03/01 05:41:47 DEBUG : file2: newRWFileHandle: 
2026/03/01 05:41:47 DEBUG : file2(0xc0003abb40): openPending: 
2026/03/01 05:41:47 DEBUG : file2: vfs cache: truncate to size=0 (not needed as size correct)
2026/03/01 05:41:47 DEBUG : Added virtual directory entry vAddFile: "file2"
2026/03/01 05:41:47 DEBUG : file2(0xc0003abb40): >openPending: err=<nil>
2026/03/01 05:41:47 DEBUG : file2: >newRWFileHandle: err=<nil>
2026/03/01 05:41:47 DEBUG : Added virtual directory entry vAddFile: "file2"
2026/03/01 05:41:47 DEBUG : file2: >Open: fd=file2 (rw), err=<nil>
2026/03/01 05:41:47 DEBUG : file2: >OpenFile: fd=file2 (rw), err=<nil>
2026/03/01 05:41:47 DEBUG : file2(0xc0003abb40): RWFileHandle.Flush
2026/03/01 05:41:47 DEBUG : file2(0xc0003abb40): RWFileHandle.Release
2026/03/01 05:41:47 DEBUG : file2(0xc0003abb40): close: 
2026/03/01 05:41:47 DEBUG : file2: vfs cache: setting modification time to 2026-03-01 05:41:47.262877521 +0000 UTC m=+152.121083419
2026/03/01 05:41:47 INFO  : file2: vfs cache: queuing for upload in 100ms
2026/03/01 05:41:47 DEBUG : file2(0xc0003abb40): >close: err=<nil>
2026/03/01 05:41:47 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:41:47 DEBUG : Looking for writers
2026/03/01 05:41:47 DEBUG : file1: reading active writers
2026/03/01 05:41:47 DEBUG : file2: reading active writers
2026/03/01 05:41:47 DEBUG : Still 0 writers active and 2 cache items in use, waiting 10ms
2026/03/01 05:41:47 DEBUG : Looking for writers
2026/03/01 05:41:47 DEBUG : file1: reading active writers
2026/03/01 05:41:47 DEBUG : file2: reading active writers
2026/03/01 05:41:47 DEBUG : Still 0 writers active and 2 cache items in use, waiting 20ms
2026/03/01 05:41:47 DEBUG : Looking for writers
2026/03/01 05:41:47 DEBUG : file1: reading active writers
2026/03/01 05:41:47 DEBUG : file2: reading active writers
2026/03/01 05:41:47 DEBUG : Still 0 writers active and 2 cache items in use, waiting 40ms
2026/03/01 05:41:47 DEBUG : Looking for writers
2026/03/01 05:41:47 DEBUG : file1: reading active writers
2026/03/01 05:41:47 DEBUG : file2: reading active writers
2026/03/01 05:41:47 DEBUG : Still 0 writers active and 2 cache items in use, waiting 80ms
2026/03/01 05:41:47 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:41:47 DEBUG : file2: vfs cache: starting upload
2026/03/01 05:41:47 DEBUG : Looking for writers
2026/03/01 05:41:47 DEBUG : file1: reading active writers
2026/03/01 05:41:47 DEBUG : file2: reading active writers
2026/03/01 05:41:47 DEBUG : Still 0 writers active and 2 cache items in use, waiting 160ms
2026/03/01 05:41:47 DEBUG : Looking for writers
2026/03/01 05:41:47 DEBUG : file1: reading active writers
2026/03/01 05:41:47 DEBUG : file2: reading active writers
2026/03/01 05:41:47 DEBUG : Still 0 writers active and 2 cache items in use, waiting 320ms
2026/03/01 05:41:47.680647 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:47.680681 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:47 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:47 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)
2026/03/01 05:41:47 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:41:47 DEBUG : Looking for writers
2026/03/01 05:41:47 DEBUG : file1: reading active writers
2026/03/01 05:41:47 DEBUG : file2: reading active writers
2026/03/01 05:41:47 DEBUG : Still 0 writers active and 2 cache items in use, waiting 640ms
2026/03/01 05:41:48.025102 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:48.025137 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:48 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)
2026/03/01 05:41:48 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)
2026/03/01 05:41:48 DEBUG : file2: vfs cache: starting upload
2026/03/01 05:41:48.365113 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:48.365158 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:48 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)
2026/03/01 05:41:48 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)
2026/03/01 05:41:48 DEBUG : Looking for writers
2026/03/01 05:41:48 DEBUG : file1: reading active writers
2026/03/01 05:41:48 DEBUG : file2: reading active writers
2026/03/01 05:41:48 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:41:48.711646 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:48.711678 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:48 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)
2026/03/01 05:41:48 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)
2026/03/01 05:41:48 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:41:49.091687 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:49.091716 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:49 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:49 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)
2026/03/01 05:41:49 DEBUG : file2: vfs cache: starting upload
2026/03/01 05:41:49.433815 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:49.433848 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:49 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)
2026/03/01 05:41:49 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)
2026/03/01 05:41:49 DEBUG : Looking for writers
2026/03/01 05:41:49 DEBUG : file1: reading active writers
2026/03/01 05:41:49 DEBUG : file2: reading active writers
2026/03/01 05:41:49 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:41:49 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:41:50.224919 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:50.224949 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:50 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:50 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)
2026/03/01 05:41:50 DEBUG : file2: vfs cache: starting upload
2026/03/01 05:41:50 DEBUG : Looking for writers
2026/03/01 05:41:50 DEBUG : file1: reading active writers
2026/03/01 05:41:50 DEBUG : file2: reading active writers
2026/03/01 05:41:50 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:41:50.575919 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:50.575953 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:50 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)
2026/03/01 05:41:50 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)
2026/03/01 05:41:51 DEBUG : Looking for writers
2026/03/01 05:41:51 DEBUG : file1: reading active writers
2026/03/01 05:41:51 DEBUG : file2: reading active writers
2026/03/01 05:41:51 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:41:51 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:41:52 DEBUG : file2: vfs cache: starting upload
2026/03/01 05:41:52.214769 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:52.214802 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:52 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:52 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)
2026/03/01 05:41:52 DEBUG : Looking for writers
2026/03/01 05:41:52 DEBUG : file1: reading active writers
2026/03/01 05:41:52 DEBUG : file2: reading active writers
2026/03/01 05:41:52 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:41:52.556661 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:52.556691 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:52 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:52 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)
2026/03/01 05:41:53 DEBUG : Looking for writers
2026/03/01 05:41:53 DEBUG : file2: reading active writers
2026/03/01 05:41:53 DEBUG : file1: reading active writers
2026/03/01 05:41:53 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:41:54 DEBUG : Looking for writers
2026/03/01 05:41:54 DEBUG : file1: reading active writers
2026/03/01 05:41:54 DEBUG : file2: reading active writers
2026/03/01 05:41:54 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:41:55 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:41:55 DEBUG : Looking for writers
2026/03/01 05:41:55 DEBUG : file1: reading active writers
2026/03/01 05:41:55 DEBUG : file2: reading active writers
2026/03/01 05:41:55 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:41:55.744627 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:55.744649 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:55 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)
2026/03/01 05:41:55 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)
2026/03/01 05:41:55 DEBUG : file2: vfs cache: starting upload
2026/03/01 05:41:56.067811 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:41:56.067830 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:41:56 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)
2026/03/01 05:41:56 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)
2026/03/01 05:41:56 DEBUG : Looking for writers
2026/03/01 05:41:56 DEBUG : file1: reading active writers
2026/03/01 05:41:56 DEBUG : file2: reading active writers
2026/03/01 05:41:56 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:41:57 DEBUG : Looking for writers
2026/03/01 05:41:57 DEBUG : file1: reading active writers
2026/03/01 05:41:57 DEBUG : file2: reading active writers
2026/03/01 05:41:57 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:41:58 DEBUG : Looking for writers
2026/03/01 05:41:58 DEBUG : file1: reading active writers
2026/03/01 05:41:58 DEBUG : file2: reading active writers
2026/03/01 05:41:58 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:41:59 DEBUG : Looking for writers
2026/03/01 05:41:59 DEBUG : file1: reading active writers
2026/03/01 05:41:59 DEBUG : file2: reading active writers
2026/03/01 05:41:59 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:00 DEBUG : Looking for writers
2026/03/01 05:42:00 DEBUG : file2: reading active writers
2026/03/01 05:42:00 DEBUG : file1: reading active writers
2026/03/01 05:42:00 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:01 DEBUG : Looking for writers
2026/03/01 05:42:01 DEBUG : file1: reading active writers
2026/03/01 05:42:01 DEBUG : file2: reading active writers
2026/03/01 05:42:01 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:02 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:42:02 DEBUG : file2: vfs cache: starting upload
2026/03/01 05:42:02.504578 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:42:02.504610 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:42:02 ERROR : file1: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:42:02 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)
2026/03/01 05:42:02 DEBUG : Looking for writers
2026/03/01 05:42:02 DEBUG : file1: reading active writers
2026/03/01 05:42:02 DEBUG : file2: reading active writers
2026/03/01 05:42:02 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:02.851700 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:42:02.851735 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:42:02 ERROR : file2: Failed to copy: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:42:02 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)
2026/03/01 05:42:03 DEBUG : Looking for writers
2026/03/01 05:42:03 DEBUG : file2: reading active writers
2026/03/01 05:42:03 DEBUG : file1: reading active writers
2026/03/01 05:42:03 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:04 DEBUG : Looking for writers
2026/03/01 05:42:04 DEBUG : file1: reading active writers
2026/03/01 05:42:04 DEBUG : file2: reading active writers
2026/03/01 05:42:04 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:05 DEBUG : Looking for writers
2026/03/01 05:42:05 DEBUG : file1: reading active writers
2026/03/01 05:42:05 DEBUG : file2: reading active writers
2026/03/01 05:42:05 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:06 DEBUG : Looking for writers
2026/03/01 05:42:06 DEBUG : file1: reading active writers
2026/03/01 05:42:06 DEBUG : file2: reading active writers
2026/03/01 05:42:06 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:07 DEBUG : Looking for writers
2026/03/01 05:42:07 DEBUG : file2: reading active writers
2026/03/01 05:42:07 DEBUG : file1: reading active writers
2026/03/01 05:42:07 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:08 DEBUG : Looking for writers
2026/03/01 05:42:08 DEBUG : file1: reading active writers
2026/03/01 05:42:08 DEBUG : file2: reading active writers
2026/03/01 05:42:08 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:09 DEBUG : Looking for writers
2026/03/01 05:42:09 DEBUG : file1: reading active writers
2026/03/01 05:42:09 DEBUG : file2: reading active writers
2026/03/01 05:42:09 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:10 DEBUG : Looking for writers
2026/03/01 05:42:10 DEBUG : file1: reading active writers
2026/03/01 05:42:10 DEBUG : file2: reading active writers
2026/03/01 05:42:10 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:11 DEBUG : Looking for writers
2026/03/01 05:42:11 DEBUG : file1: reading active writers
2026/03/01 05:42:11 DEBUG : file2: reading active writers
2026/03/01 05:42:11 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:12 DEBUG : Looking for writers
2026/03/01 05:42:12 DEBUG : file1: reading active writers
2026/03/01 05:42:12 DEBUG : file2: reading active writers
2026/03/01 05:42:12 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:13 DEBUG : Looking for writers
2026/03/01 05:42:13 DEBUG : file1: reading active writers
2026/03/01 05:42:13 DEBUG : file2: reading active writers
2026/03/01 05:42:13 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:14 DEBUG : Looking for writers
2026/03/01 05:42:14 DEBUG : file1: reading active writers
2026/03/01 05:42:14 DEBUG : file2: reading active writers
2026/03/01 05:42:14 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:15 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:42:15 DEBUG : Looking for writers
2026/03/01 05:42:15 DEBUG : file1: reading active writers
2026/03/01 05:42:15 DEBUG : file2: reading active writers
2026/03/01 05:42:15 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:15.646187 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:42:15.646209 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:42:15 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)
2026/03/01 05:42:15 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)
2026/03/01 05:42:15 DEBUG : file2: vfs cache: starting upload
2026/03/01 05:42:15.959773 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:42:15.959810 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:42:15 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)
2026/03/01 05:42:15 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)
2026/03/01 05:42:16 DEBUG : Looking for writers
2026/03/01 05:42:16 DEBUG : file1: reading active writers
2026/03/01 05:42:16 DEBUG : file2: reading active writers
2026/03/01 05:42:16 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:17 ERROR : Exiting even though 0 writers active and 2 cache items in use after 30s
Cache{
	"file2": &{c:0xc00099d1d0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc00003b208 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824633963072} name:file2 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14006496411440066897 ext:152121083419 loc:0x45874c0} ATime:{wall:14006496411440324642 ext:152121341165 loc:0x45874c0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:2 pendingAccesses:0 modified:false beingReset:false},
	"file1": &{c:0xc00099d1d0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc00003b108 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824633962816} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14006496411438476148 ext:152119492680 loc:0x45874c0} ATime:{wall:14006496411438861224 ext:152119877756 loc:0x45874c0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
}
2026/03/01 05:42:17 DEBUG : >WaitForWriters: 
2026/03/01 05:42:17 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
2026/03/01 05:42:18 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
2026/03/01 05:42:20 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
2026/03/01 05:42:24 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:42:24 DEBUG : Looking for writers
2026/03/01 05:42:24 DEBUG : file1: reading active writers
2026/03/01 05:42:24 DEBUG : file2: reading active writers
2026/03/01 05:42:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 10ms
2026/03/01 05:42:24 DEBUG : Looking for writers
2026/03/01 05:42:24 DEBUG : file1: reading active writers
2026/03/01 05:42:24 DEBUG : file2: reading active writers
2026/03/01 05:42:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 20ms
2026/03/01 05:42:24 DEBUG : Looking for writers
2026/03/01 05:42:24 DEBUG : file2: reading active writers
2026/03/01 05:42:24 DEBUG : file1: reading active writers
2026/03/01 05:42:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 40ms
2026/03/01 05:42:24 DEBUG : Looking for writers
2026/03/01 05:42:24 DEBUG : file1: reading active writers
2026/03/01 05:42:24 DEBUG : file2: reading active writers
2026/03/01 05:42:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 80ms
2026/03/01 05:42:24 DEBUG : Looking for writers
2026/03/01 05:42:24 DEBUG : file1: reading active writers
2026/03/01 05:42:24 DEBUG : file2: reading active writers
2026/03/01 05:42:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 160ms
2026/03/01 05:42:24 DEBUG : Looking for writers
2026/03/01 05:42:24 DEBUG : file1: reading active writers
2026/03/01 05:42:24 DEBUG : file2: reading active writers
2026/03/01 05:42:24 DEBUG : Still 0 writers active and 2 cache items in use, waiting 320ms
2026/03/01 05:42:25 DEBUG : Looking for writers
2026/03/01 05:42:25 DEBUG : file1: reading active writers
2026/03/01 05:42:25 DEBUG : file2: reading active writers
2026/03/01 05:42:25 DEBUG : Still 0 writers active and 2 cache items in use, waiting 640ms
2026/03/01 05:42:25 DEBUG : Looking for writers
2026/03/01 05:42:25 DEBUG : file1: reading active writers
2026/03/01 05:42:25 DEBUG : file2: reading active writers
2026/03/01 05:42:25 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:26 DEBUG : Looking for writers
2026/03/01 05:42:26 DEBUG : file1: reading active writers
2026/03/01 05:42:26 DEBUG : file2: reading active writers
2026/03/01 05:42:26 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:27 DEBUG : Looking for writers
2026/03/01 05:42:27 DEBUG : file1: reading active writers
2026/03/01 05:42:27 DEBUG : file2: reading active writers
2026/03/01 05:42:27 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:28 DEBUG : Looking for writers
2026/03/01 05:42:28 DEBUG : file1: reading active writers
2026/03/01 05:42:28 DEBUG : file2: reading active writers
2026/03/01 05:42:28 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:29 DEBUG : Looking for writers
2026/03/01 05:42:29 DEBUG : file1: reading active writers
2026/03/01 05:42:29 DEBUG : file2: reading active writers
2026/03/01 05:42:29 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:30 DEBUG : Looking for writers
2026/03/01 05:42:30 DEBUG : file2: reading active writers
2026/03/01 05:42:30 DEBUG : file1: reading active writers
2026/03/01 05:42:30 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:31 DEBUG : Looking for writers
2026/03/01 05:42:31 DEBUG : file1: reading active writers
2026/03/01 05:42:31 DEBUG : file2: reading active writers
2026/03/01 05:42:31 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:32 DEBUG : Looking for writers
2026/03/01 05:42:32 DEBUG : file1: reading active writers
2026/03/01 05:42:32 DEBUG : file2: reading active writers
2026/03/01 05:42:32 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:33 DEBUG : Looking for writers
2026/03/01 05:42:33 DEBUG : file2: reading active writers
2026/03/01 05:42:33 DEBUG : file1: reading active writers
2026/03/01 05:42:33 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:34 DEBUG : Looking for writers
2026/03/01 05:42:34 DEBUG : file1: reading active writers
2026/03/01 05:42:34 DEBUG : file2: reading active writers
2026/03/01 05:42:34 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:35 DEBUG : Looking for writers
2026/03/01 05:42:35 DEBUG : file2: reading active writers
2026/03/01 05:42:35 DEBUG : file1: reading active writers
2026/03/01 05:42:35 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:36 DEBUG : Looking for writers
2026/03/01 05:42:36 DEBUG : file1: reading active writers
2026/03/01 05:42:36 DEBUG : file2: reading active writers
2026/03/01 05:42:36 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:37 DEBUG : Looking for writers
2026/03/01 05:42:37 DEBUG : file1: reading active writers
2026/03/01 05:42:37 DEBUG : file2: reading active writers
2026/03/01 05:42:37 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:38 DEBUG : Looking for writers
2026/03/01 05:42:38 DEBUG : file1: reading active writers
2026/03/01 05:42:38 DEBUG : file2: reading active writers
2026/03/01 05:42:38 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:39 DEBUG : Looking for writers
2026/03/01 05:42:39 DEBUG : file1: reading active writers
2026/03/01 05:42:39 DEBUG : file2: reading active writers
2026/03/01 05:42:39 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:40 DEBUG : Looking for writers
2026/03/01 05:42:40 DEBUG : file1: reading active writers
2026/03/01 05:42:40 DEBUG : file2: reading active writers
2026/03/01 05:42:40 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:41 DEBUG : file1: vfs cache: starting upload
2026/03/01 05:42:41 DEBUG : file2: vfs cache: starting upload
2026/03/01 05:42:41.686237 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:42:41.686275 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:42:41 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)
2026/03/01 05:42:41 ERROR : file1: vfs cache: failed to upload try #9, will retry in 51.2s: vfs cache: failed to transfer file from cache to remote: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:42:41 DEBUG : Looking for writers
2026/03/01 05:42:41 DEBUG : file1: reading active writers
2026/03/01 05:42:41 DEBUG : file2: reading active writers
2026/03/01 05:42:41 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:42.043092 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:42:42.043116 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:42:42 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)
2026/03/01 05:42:42 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)
2026/03/01 05:42:42 DEBUG : Looking for writers
2026/03/01 05:42:42 DEBUG : file2: reading active writers
2026/03/01 05:42:42 DEBUG : file1: reading active writers
2026/03/01 05:42:42 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:43 DEBUG : Looking for writers
2026/03/01 05:42:43 DEBUG : file1: reading active writers
2026/03/01 05:42:43 DEBUG : file2: reading active writers
2026/03/01 05:42:43 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:44 DEBUG : Looking for writers
2026/03/01 05:42:44 DEBUG : file1: reading active writers
2026/03/01 05:42:44 DEBUG : file2: reading active writers
2026/03/01 05:42:44 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:45 DEBUG : Looking for writers
2026/03/01 05:42:45 DEBUG : file1: reading active writers
2026/03/01 05:42:45 DEBUG : file2: reading active writers
2026/03/01 05:42:45 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:46 DEBUG : Looking for writers
2026/03/01 05:42:46 DEBUG : file1: reading active writers
2026/03/01 05:42:46 DEBUG : file2: reading active writers
2026/03/01 05:42:46 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:47 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file1 not removed, freed 0 bytes
2026/03/01 05:42:47 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache RemoveNotInUse (maxAge=3600000000000, emptyOnly=false): item file2 not removed, freed 0 bytes
2026/03/01 05:42:47 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 2 (was 2) in use 2, to upload 2, uploading 0, total size 0 (was 0)
2026/03/01 05:42:47 DEBUG : Looking for writers
2026/03/01 05:42:47 DEBUG : file1: reading active writers
2026/03/01 05:42:47 DEBUG : file2: reading active writers
2026/03/01 05:42:47 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:48 DEBUG : Looking for writers
2026/03/01 05:42:48 DEBUG : file1: reading active writers
2026/03/01 05:42:48 DEBUG : file2: reading active writers
2026/03/01 05:42:48 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:49 DEBUG : Looking for writers
2026/03/01 05:42:49 DEBUG : file1: reading active writers
2026/03/01 05:42:49 DEBUG : file2: reading active writers
2026/03/01 05:42:49 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:50 DEBUG : Looking for writers
2026/03/01 05:42:50 DEBUG : file1: reading active writers
2026/03/01 05:42:50 DEBUG : file2: reading active writers
2026/03/01 05:42:50 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:51 DEBUG : Looking for writers
2026/03/01 05:42:51 DEBUG : file1: reading active writers
2026/03/01 05:42:51 DEBUG : file2: reading active writers
2026/03/01 05:42:51 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:52 DEBUG : Looking for writers
2026/03/01 05:42:52 DEBUG : file1: reading active writers
2026/03/01 05:42:52 DEBUG : file2: reading active writers
2026/03/01 05:42:52 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:53 DEBUG : Looking for writers
2026/03/01 05:42:53 DEBUG : file1: reading active writers
2026/03/01 05:42:53 DEBUG : file2: reading active writers
2026/03/01 05:42:53 DEBUG : Still 0 writers active and 2 cache items in use, waiting 1s
2026/03/01 05:42:54 ERROR : Exiting even though 0 writers active and 2 cache items in use after 30s
Cache{
	"file1": &{c:0xc00099d1d0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc00003b108 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824633962816} name:file1 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14006496411438476148 ext:152119492680 loc:0x45874c0} ATime:{wall:14006496411438861224 ext:152119877756 loc:0x45874c0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:1 pendingAccesses:0 modified:false beingReset:false},
	"file2": &{c:0xc00099d1d0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc00003b208 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824633963072} name:file2 opens:0 downloaders:<nil> o:<nil> fd:<nil> info:{ModTime:{wall:14006496411440066897 ext:152121083419 loc:0x45874c0} ATime:{wall:14006496411440324642 ext:152121341165 loc:0x45874c0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:2 pendingAccesses:0 modified:false beingReset:false},
}
2026/03/01 05:42:54 DEBUG : >WaitForWriters: 
2026/03/01 05:42:54 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:42:54 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleWriteNoWrite (67.49s)
=== RUN   TestRWFileHandleSizeTruncateExisting
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:42:54 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:42:54 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:42:54 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:54 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:54 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:54 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:42:54 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:54 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:54 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:42:54 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:54 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:42:54.967132 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:42:54.967196 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:42:54 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:42:54 DEBUG : Looking for writers
2026/03/01 05:42:54 DEBUG : >WaitForWriters: 
2026/03/01 05:42:54 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:42:55 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSizeTruncateExisting (0.34s)
=== RUN   TestRWFileHandleSizeCreateExisting
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:42:55 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:42:55 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:42:55 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:55 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:55 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:55 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:42:55 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:55 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:55 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:42:55 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:55 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:42:55.281854 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:42:55.281895 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:42:55 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:42:55 DEBUG : Looking for writers
2026/03/01 05:42:55 DEBUG : >WaitForWriters: 
2026/03/01 05:42:55 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:42:55 ERROR : error listing: directory not found
--- FAIL: TestRWFileHandleSizeCreateExisting (0.31s)
=== RUN   TestRWFileModTimeWithOpenWriters
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:42:55 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:42:55 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:42:55 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:55 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:55 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:55 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:42:55 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:55 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:55 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:42:55 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:42:55 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:42:55 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:42:55 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:42:55 DEBUG : file1: newRWFileHandle: 
2026/03/01 05:42:55 DEBUG : file1(0xc000b50dc0): openPending: 
2026/03/01 05:42:55 DEBUG : file1: vfs cache: truncate to size=0 (not needed as size correct)
2026/03/01 05:42:55 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:42:55 DEBUG : file1(0xc000b50dc0): >openPending: err=<nil>
2026/03/01 05:42:55 DEBUG : file1: >newRWFileHandle: err=<nil>
2026/03/01 05:42:55 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:42:55 DEBUG : file1: >Open: fd=file1 (rw), err=<nil>
2026/03/01 05:42:55 DEBUG : file1: >OpenFile: fd=file1 (rw), err=<nil>
2026/03/01 05:42:55.691002 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:42:55.691035 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:42:55 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:42:55 DEBUG : Looking for writers
2026/03/01 05:42:55 DEBUG : file1: reading active writers
2026/03/01 05:42:55 DEBUG : file1: active writers 1
2026/03/01 05:42:55 DEBUG : Still 1 writers active and 1 cache items in use, waiting 10ms
2026/03/01 05:42:55 DEBUG : Looking for writers
2026/03/01 05:42:55 DEBUG : file1: reading active writers
2026/03/01 05:42:55 DEBUG : file1: active writers 1
2026/03/01 05:42:55 DEBUG : Still 1 writers active and 1 cache items in use, waiting 20ms
2026/03/01 05:42:55 DEBUG : Looking for writers
2026/03/01 05:42:55 DEBUG : file1: reading active writers
2026/03/01 05:42:55 DEBUG : file1: active writers 1
2026/03/01 05:42:55 DEBUG : Still 1 writers active and 1 cache items in use, waiting 40ms
2026/03/01 05:42:55 DEBUG : Looking for writers
2026/03/01 05:42:55 DEBUG : file1: reading active writers
2026/03/01 05:42:55 DEBUG : file1: active writers 1
2026/03/01 05:42:55 DEBUG : Still 1 writers active and 1 cache items in use, waiting 80ms
2026/03/01 05:42:55 DEBUG : Looking for writers
2026/03/01 05:42:55 DEBUG : file1: reading active writers
2026/03/01 05:42:55 DEBUG : file1: active writers 1
2026/03/01 05:42:55 DEBUG : Still 1 writers active and 1 cache items in use, waiting 160ms
2026/03/01 05:42:56 DEBUG : Looking for writers
2026/03/01 05:42:56 DEBUG : file1: reading active writers
2026/03/01 05:42:56 DEBUG : file1: active writers 1
2026/03/01 05:42:56 DEBUG : Still 1 writers active and 1 cache items in use, waiting 320ms
2026/03/01 05:42:56 DEBUG : Looking for writers
2026/03/01 05:42:56 DEBUG : file1: reading active writers
2026/03/01 05:42:56 DEBUG : file1: active writers 1
2026/03/01 05:42:56 DEBUG : Still 1 writers active and 1 cache items in use, waiting 640ms
2026/03/01 05:42:56 DEBUG : Looking for writers
2026/03/01 05:42:56 DEBUG : file1: reading active writers
2026/03/01 05:42:56 DEBUG : file1: active writers 1
2026/03/01 05:42:56 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:42:57 DEBUG : Looking for writers
2026/03/01 05:42:57 DEBUG : file1: reading active writers
2026/03/01 05:42:57 DEBUG : file1: active writers 1
2026/03/01 05:42:57 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:42:58 DEBUG : Looking for writers
2026/03/01 05:42:58 DEBUG : file1: reading active writers
2026/03/01 05:42:58 DEBUG : file1: active writers 1
2026/03/01 05:42:58 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:42:59 DEBUG : Looking for writers
2026/03/01 05:42:59 DEBUG : file1: reading active writers
2026/03/01 05:42:59 DEBUG : file1: active writers 1
2026/03/01 05:42:59 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:00 DEBUG : Looking for writers
2026/03/01 05:43:00 DEBUG : file1: reading active writers
2026/03/01 05:43:00 DEBUG : file1: active writers 1
2026/03/01 05:43:00 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:01 DEBUG : Looking for writers
2026/03/01 05:43:01 DEBUG : file1: reading active writers
2026/03/01 05:43:01 DEBUG : file1: active writers 1
2026/03/01 05:43:01 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:02 DEBUG : Looking for writers
2026/03/01 05:43:02 DEBUG : file1: reading active writers
2026/03/01 05:43:02 DEBUG : file1: active writers 1
2026/03/01 05:43:02 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:03 DEBUG : Looking for writers
2026/03/01 05:43:03 DEBUG : file1: reading active writers
2026/03/01 05:43:03 DEBUG : file1: active writers 1
2026/03/01 05:43:03 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:04 DEBUG : Looking for writers
2026/03/01 05:43:04 DEBUG : file1: reading active writers
2026/03/01 05:43:04 DEBUG : file1: active writers 1
2026/03/01 05:43:04 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:05 DEBUG : Looking for writers
2026/03/01 05:43:05 DEBUG : file1: reading active writers
2026/03/01 05:43:05 DEBUG : file1: active writers 1
2026/03/01 05:43:05 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:06 DEBUG : Looking for writers
2026/03/01 05:43:06 DEBUG : file1: reading active writers
2026/03/01 05:43:06 DEBUG : file1: active writers 1
2026/03/01 05:43:06 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:07 DEBUG : Looking for writers
2026/03/01 05:43:07 DEBUG : file1: reading active writers
2026/03/01 05:43:07 DEBUG : file1: active writers 1
2026/03/01 05:43:07 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:08 DEBUG : Looking for writers
2026/03/01 05:43:08 DEBUG : file1: reading active writers
2026/03/01 05:43:08 DEBUG : file1: active writers 1
2026/03/01 05:43:08 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:09 DEBUG : Looking for writers
2026/03/01 05:43:09 DEBUG : file1: reading active writers
2026/03/01 05:43:09 DEBUG : file1: active writers 1
2026/03/01 05:43:09 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:10 DEBUG : Looking for writers
2026/03/01 05:43:10 DEBUG : file1: reading active writers
2026/03/01 05:43:10 DEBUG : file1: active writers 1
2026/03/01 05:43:10 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:11 DEBUG : Looking for writers
2026/03/01 05:43:11 DEBUG : file1: reading active writers
2026/03/01 05:43:11 DEBUG : file1: active writers 1
2026/03/01 05:43:11 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:12 DEBUG : Looking for writers
2026/03/01 05:43:12 DEBUG : file1: reading active writers
2026/03/01 05:43:12 DEBUG : file1: active writers 1
2026/03/01 05:43:12 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:13 DEBUG : Looking for writers
2026/03/01 05:43:13 DEBUG : file1: reading active writers
2026/03/01 05:43:13 DEBUG : file1: active writers 1
2026/03/01 05:43:13 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:14 DEBUG : Looking for writers
2026/03/01 05:43:14 DEBUG : file1: reading active writers
2026/03/01 05:43:14 DEBUG : file1: active writers 1
2026/03/01 05:43:14 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:15 DEBUG : Looking for writers
2026/03/01 05:43:15 DEBUG : file1: reading active writers
2026/03/01 05:43:15 DEBUG : file1: active writers 1
2026/03/01 05:43:15 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:16 DEBUG : Looking for writers
2026/03/01 05:43:16 DEBUG : file1: reading active writers
2026/03/01 05:43:16 DEBUG : file1: active writers 1
2026/03/01 05:43:16 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:17 DEBUG : Looking for writers
2026/03/01 05:43:17 DEBUG : file1: reading active writers
2026/03/01 05:43:17 DEBUG : file1: active writers 1
2026/03/01 05:43:17 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:18 DEBUG : Looking for writers
2026/03/01 05:43:18 DEBUG : file1: reading active writers
2026/03/01 05:43:18 DEBUG : file1: active writers 1
2026/03/01 05:43:18 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:19 DEBUG : Looking for writers
2026/03/01 05:43:19 DEBUG : file1: reading active writers
2026/03/01 05:43:19 DEBUG : file1: active writers 1
2026/03/01 05:43:19 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:20 DEBUG : Looking for writers
2026/03/01 05:43:20 DEBUG : file1: reading active writers
2026/03/01 05:43:20 DEBUG : file1: active writers 1
2026/03/01 05:43:20 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:21 DEBUG : Looking for writers
2026/03/01 05:43:21 DEBUG : file1: reading active writers
2026/03/01 05:43:21 DEBUG : file1: active writers 1
2026/03/01 05:43:21 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:22 DEBUG : Looking for writers
2026/03/01 05:43:22 DEBUG : file1: reading active writers
2026/03/01 05:43:22 DEBUG : file1: active writers 1
2026/03/01 05:43:22 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:23 DEBUG : Looking for writers
2026/03/01 05:43:23 DEBUG : file1: reading active writers
2026/03/01 05:43:23 DEBUG : file1: active writers 1
2026/03/01 05:43:23 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:24 DEBUG : Looking for writers
2026/03/01 05:43:24 DEBUG : file1: reading active writers
2026/03/01 05:43:24 DEBUG : file1: active writers 1
2026/03/01 05:43:24 DEBUG : Still 1 writers active and 1 cache items in use, waiting 1s
2026/03/01 05:43:25 ERROR : Exiting even though 1 writers active and 1 cache items in use after 30s
Cache{
	"file1": &{c:0xc000b451d0 mu:{_:{} mu:{state:0 sema:0}} cond:{noCopy:{} L:0xc00003bc08 notify:{wait:0 notify:0 lock:0 head:<nil> tail:<nil>} checker:824633965632} name:file1 opens:1 downloaders:<nil> o:<nil> fd:0xc0001321d0 info:{ModTime:{wall:14006496484608836182 ext:220275408642 loc:0x45874c0} ATime:{wall:14006496484608836182 ext:220275408642 loc:0x45874c0} Size:0 Rs:[] Fingerprint: Dirty:true} writeBackID:0 pendingAccesses:0 modified:true beingReset:false},
}
2026/03/01 05:43:25 DEBUG : >WaitForWriters: 
2026/03/01 05:43:25 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:43:25 ERROR : error listing: directory not found
--- FAIL: TestRWFileModTimeWithOpenWriters (30.41s)
=== RUN   TestRWCacheUpdate
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:43:25 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:43:25 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: root is "/home/rclone/.cache/rclone"
2026/03/01 05:43:25 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: data root is "/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:43:25 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: metadata root is "/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:43:25 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:43:25 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:43:25 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfs/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:43:25 DEBUG : Creating backend with remote ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:43:25 DEBUG : :local: detected overridden config - adding "{8un-i}" suffix to name
2026/03/01 05:43:25 DEBUG : fs cache: renaming cache item ":local,encoding='Slash,Dot',links=false:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina" to be canonical ":local{8un-i}:/home/rclone/.cache/rclone/vfsMeta/TestProtonDrive/rclone-test-xowemef2fina"
2026/03/01 05:43:25 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaned: objects 0 (was 0) in use 0, to upload 0, uploading 0, total size 0 (was 0)
2026/03/01 05:43:25 DEBUG : forgetting directory cache
2026/03/01 05:43:26.025578 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:43:26.025603 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:43:26 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:43:26 DEBUG : Looking for writers
2026/03/01 05:43:26 DEBUG : >WaitForWriters: 
2026/03/01 05:43:26 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': vfs cache: cleaner exiting
2026/03/01 05:43:26 ERROR : error listing: directory not found
--- FAIL: TestRWCacheUpdate (0.34s)
=== RUN   TestCaseSensitivity
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:43:26.359579 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:43:26.359596 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:43:26 ERROR : error listing: directory not found
--- FAIL: TestCaseSensitivity (0.34s)
=== RUN   TestUnicodeNormalization
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:43:26.689291 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:43:26.689329 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:43:26 ERROR : error listing: directory not found
--- FAIL: TestUnicodeNormalization (0.33s)
=== RUN   TestVFSStat
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:43:26 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:43:26 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:43:27.012521 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:43:27.012587 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:43:27 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:43:27 DEBUG : Looking for writers
2026/03/01 05:43:27 DEBUG : >WaitForWriters: 
2026/03/01 05:43:27 ERROR : error listing: directory not found
--- FAIL: TestVFSStat (0.33s)
=== RUN   TestVFSStatParent
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:43:27 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:43:27 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:43:27.346163 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:43:27.346190 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:43:27 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:43:27 DEBUG : Looking for writers
2026/03/01 05:43:27 DEBUG : >WaitForWriters: 
2026/03/01 05:43:27 ERROR : error listing: directory not found
--- FAIL: TestVFSStatParent (0.33s)
=== RUN   TestVFSOpenFile
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:43:27 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:43:27 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:43:27.689753 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:43:27.689784 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:43:27 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:43:27 DEBUG : Looking for writers
2026/03/01 05:43:27 DEBUG : >WaitForWriters: 
2026/03/01 05:43:27 ERROR : error listing: directory not found
--- FAIL: TestVFSOpenFile (0.32s)
=== RUN   TestVFSRename
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:43:27 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:43:27 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:43:27.995159 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:43:27.995185 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:43:27 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:43:27 DEBUG : Looking for writers
2026/03/01 05:43:27 DEBUG : >WaitForWriters: 
2026/03/01 05:43:28 ERROR : error listing: directory not found
--- FAIL: TestVFSRename (0.31s)
=== RUN   TestVFSMkdir
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:43:28 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:43:28 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:43:28 ERROR : error listing: directory not found
2026/03/01 05:43:28.454571 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:43:28.454593 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:43:28 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
2026/03/01 05:43:28 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:43:28 DEBUG : Looking for writers
2026/03/01 05:43:28 DEBUG : >WaitForWriters: 
2026/03/01 05:43:28 ERROR : error listing: directory not found
--- FAIL: TestVFSMkdir (0.47s)
=== RUN   TestVFSMkdirAll
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:43:28 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:43:28 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:43:28 ERROR : error listing: directory not found
2026/03/01 05:43:28 ERROR : error listing: directory not found
2026/03/01 05:43:28.979962 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:43:28.979999 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:43:28 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
2026/03/01 05:43:28 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:43:28 DEBUG : Looking for writers
2026/03/01 05:43:28 DEBUG : >WaitForWriters: 
2026/03/01 05:43:29 ERROR : error listing: directory not found
--- FAIL: TestVFSMkdirAll (0.52s)
=== RUN   TestWriteFileHandleMethods
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:43:29 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:43:29 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:43:29 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:43:29 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:43:29 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:43:29 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/03/01 05:43:29 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/03/01 05:43:29 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:43:29 ERROR : file1: WriteFileHandle: Read: Can't read and write to file without --vfs-cache-mode >= minimal
2026/03/01 05:43:29 ERROR : file1: WriteFileHandle: ReadAt: Can't read and write to file without --vfs-cache-mode >= minimal
2026/03/01 05:43:29 ERROR : file1: WriteFileHandle: Truncate: Can't change size without --vfs-cache-mode >= writes
2026/03/01 05:43:29 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': File to upload is small (5 bytes), uploading instead of streaming
2026/03/01 05:43:29.440938 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:43:29.440971 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:43:29 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:43:29 DEBUG : file1: Remove: 
2026/03/01 05:43:29 DEBUG : Added virtual directory entry vDel: "file1"
2026/03/01 05:43:29 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
2026/03/01 05:43:29 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 1s for list eventual consistency: 1/3
    fstest.go:301: Flushing the directory cache
2026/03/01 05:43:30 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
2026/03/01 05:43:32 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
2026/03/01 05:43:36 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:43:36 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:43:36 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:43:36 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/03/01 05:43:36 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/03/01 05:43:36 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:43:36 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': File to upload is small (0 bytes), uploading instead of streaming
2026/03/01 05:43:37.140335 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:43:37.140374 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:43:37 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)
2026/03/01 05:43:37 DEBUG : file1: Remove: 
2026/03/01 05:43:37 DEBUG : Added virtual directory entry vDel: "file1"
2026/03/01 05:43:37 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
2026/03/01 05:43:37 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:43:37 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:43:37 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:43:37 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/03/01 05:43:37 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/03/01 05:43:37 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
2026/03/01 05:43:37 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:43:37 DEBUG : Looking for writers
2026/03/01 05:43:37 DEBUG : file1: reading active writers
2026/03/01 05:43:37 DEBUG : file1: active writers 1
2026/03/01 05:43:37 DEBUG : Still 1 writers active and 0 cache items in use, waiting 10ms
2026/03/01 05:43:37 DEBUG : Looking for writers
2026/03/01 05:43:37 DEBUG : file1: reading active writers
2026/03/01 05:43:37 DEBUG : file1: active writers 1
2026/03/01 05:43:37 DEBUG : Still 1 writers active and 0 cache items in use, waiting 20ms
2026/03/01 05:43:37 DEBUG : Looking for writers
2026/03/01 05:43:37 DEBUG : file1: reading active writers
2026/03/01 05:43:37 DEBUG : file1: active writers 1
2026/03/01 05:43:37 DEBUG : Still 1 writers active and 0 cache items in use, waiting 40ms
2026/03/01 05:43:37 DEBUG : Looking for writers
2026/03/01 05:43:37 DEBUG : file1: reading active writers
2026/03/01 05:43:37 DEBUG : file1: active writers 1
2026/03/01 05:43:37 DEBUG : Still 1 writers active and 0 cache items in use, waiting 80ms
2026/03/01 05:43:37 DEBUG : Looking for writers
2026/03/01 05:43:37 DEBUG : file1: reading active writers
2026/03/01 05:43:37 DEBUG : file1: active writers 1
2026/03/01 05:43:37 DEBUG : Still 1 writers active and 0 cache items in use, waiting 160ms
2026/03/01 05:43:37 DEBUG : Looking for writers
2026/03/01 05:43:37 DEBUG : file1: reading active writers
2026/03/01 05:43:37 DEBUG : file1: active writers 1
2026/03/01 05:43:37 DEBUG : Still 1 writers active and 0 cache items in use, waiting 320ms
2026/03/01 05:43:37 DEBUG : Looking for writers
2026/03/01 05:43:37 DEBUG : file1: reading active writers
2026/03/01 05:43:37 DEBUG : file1: active writers 1
2026/03/01 05:43:37 DEBUG : Still 1 writers active and 0 cache items in use, waiting 640ms
2026/03/01 05:43:38 DEBUG : Looking for writers
2026/03/01 05:43:38 DEBUG : file1: reading active writers
2026/03/01 05:43:38 DEBUG : file1: active writers 1
2026/03/01 05:43:38 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:39 DEBUG : Looking for writers
2026/03/01 05:43:39 DEBUG : file1: reading active writers
2026/03/01 05:43:39 DEBUG : file1: active writers 1
2026/03/01 05:43:39 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:40 DEBUG : Looking for writers
2026/03/01 05:43:40 DEBUG : file1: reading active writers
2026/03/01 05:43:40 DEBUG : file1: active writers 1
2026/03/01 05:43:40 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:41 DEBUG : Looking for writers
2026/03/01 05:43:41 DEBUG : file1: reading active writers
2026/03/01 05:43:41 DEBUG : file1: active writers 1
2026/03/01 05:43:41 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:42 DEBUG : Looking for writers
2026/03/01 05:43:42 DEBUG : file1: reading active writers
2026/03/01 05:43:42 DEBUG : file1: active writers 1
2026/03/01 05:43:42 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:43 DEBUG : Looking for writers
2026/03/01 05:43:43 DEBUG : file1: reading active writers
2026/03/01 05:43:43 DEBUG : file1: active writers 1
2026/03/01 05:43:43 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:44 DEBUG : Looking for writers
2026/03/01 05:43:44 DEBUG : file1: reading active writers
2026/03/01 05:43:44 DEBUG : file1: active writers 1
2026/03/01 05:43:44 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:45 DEBUG : Looking for writers
2026/03/01 05:43:45 DEBUG : file1: reading active writers
2026/03/01 05:43:45 DEBUG : file1: active writers 1
2026/03/01 05:43:45 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:46 DEBUG : Looking for writers
2026/03/01 05:43:46 DEBUG : file1: reading active writers
2026/03/01 05:43:46 DEBUG : file1: active writers 1
2026/03/01 05:43:46 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:47 DEBUG : Looking for writers
2026/03/01 05:43:47 DEBUG : file1: reading active writers
2026/03/01 05:43:47 DEBUG : file1: active writers 1
2026/03/01 05:43:47 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:48 DEBUG : Looking for writers
2026/03/01 05:43:48 DEBUG : file1: reading active writers
2026/03/01 05:43:48 DEBUG : file1: active writers 1
2026/03/01 05:43:48 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:49 DEBUG : Looking for writers
2026/03/01 05:43:49 DEBUG : file1: reading active writers
2026/03/01 05:43:49 DEBUG : file1: active writers 1
2026/03/01 05:43:49 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:50 DEBUG : Looking for writers
2026/03/01 05:43:50 DEBUG : file1: reading active writers
2026/03/01 05:43:50 DEBUG : file1: active writers 1
2026/03/01 05:43:50 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:51 DEBUG : Looking for writers
2026/03/01 05:43:51 DEBUG : file1: reading active writers
2026/03/01 05:43:51 DEBUG : file1: active writers 1
2026/03/01 05:43:51 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:52 DEBUG : Looking for writers
2026/03/01 05:43:52 DEBUG : file1: reading active writers
2026/03/01 05:43:52 DEBUG : file1: active writers 1
2026/03/01 05:43:52 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:53 DEBUG : Looking for writers
2026/03/01 05:43:53 DEBUG : file1: reading active writers
2026/03/01 05:43:53 DEBUG : file1: active writers 1
2026/03/01 05:43:53 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:54 DEBUG : Looking for writers
2026/03/01 05:43:54 DEBUG : file1: reading active writers
2026/03/01 05:43:54 DEBUG : file1: active writers 1
2026/03/01 05:43:54 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:55 DEBUG : Looking for writers
2026/03/01 05:43:55 DEBUG : file1: reading active writers
2026/03/01 05:43:55 DEBUG : file1: active writers 1
2026/03/01 05:43:55 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:56 DEBUG : Looking for writers
2026/03/01 05:43:56 DEBUG : file1: reading active writers
2026/03/01 05:43:56 DEBUG : file1: active writers 1
2026/03/01 05:43:56 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:57 DEBUG : Looking for writers
2026/03/01 05:43:57 DEBUG : file1: reading active writers
2026/03/01 05:43:57 DEBUG : file1: active writers 1
2026/03/01 05:43:57 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:58 DEBUG : Looking for writers
2026/03/01 05:43:58 DEBUG : file1: reading active writers
2026/03/01 05:43:58 DEBUG : file1: active writers 1
2026/03/01 05:43:58 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:43:59 DEBUG : Looking for writers
2026/03/01 05:43:59 DEBUG : file1: reading active writers
2026/03/01 05:43:59 DEBUG : file1: active writers 1
2026/03/01 05:43:59 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:44:00 DEBUG : Looking for writers
2026/03/01 05:44:00 DEBUG : file1: reading active writers
2026/03/01 05:44:00 DEBUG : file1: active writers 1
2026/03/01 05:44:00 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:44:01 DEBUG : Looking for writers
2026/03/01 05:44:01 DEBUG : file1: reading active writers
2026/03/01 05:44:01 DEBUG : file1: active writers 1
2026/03/01 05:44:01 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:44:02 DEBUG : Looking for writers
2026/03/01 05:44:02 DEBUG : file1: reading active writers
2026/03/01 05:44:02 DEBUG : file1: active writers 1
2026/03/01 05:44:02 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:44:03 DEBUG : Looking for writers
2026/03/01 05:44:03 DEBUG : file1: reading active writers
2026/03/01 05:44:03 DEBUG : file1: active writers 1
2026/03/01 05:44:03 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:44:04 DEBUG : Looking for writers
2026/03/01 05:44:04 DEBUG : file1: reading active writers
2026/03/01 05:44:04 DEBUG : file1: active writers 1
2026/03/01 05:44:04 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:44:05 DEBUG : Looking for writers
2026/03/01 05:44:05 DEBUG : file1: reading active writers
2026/03/01 05:44:05 DEBUG : file1: active writers 1
2026/03/01 05:44:05 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:44:06 DEBUG : Looking for writers
2026/03/01 05:44:06 DEBUG : file1: reading active writers
2026/03/01 05:44:06 DEBUG : file1: active writers 1
2026/03/01 05:44:06 DEBUG : Still 1 writers active and 0 cache items in use, waiting 1s
2026/03/01 05:44:07 ERROR : Exiting even though 1 writers active and 0 cache items in use after 30s
Cache: <nil>
2026/03/01 05:44:07 DEBUG : >WaitForWriters: 
2026/03/01 05:44:07 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleMethods (38.17s)
=== RUN   TestWriteFileHandleWriteAt
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:44:07 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:44:07 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:44:07 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:44:07 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:44:07 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:44:07 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/03/01 05:44:07 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/03/01 05:44:07 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:44:07 DEBUG : file1: waiting for in-sequence write to 100 for 1s
2026/03/01 05:44:08 DEBUG : file1: aborting in-sequence write wait, off=100
2026/03/01 05:44:08 DEBUG : file1: failed to wait for in-sequence write to 100
2026/03/01 05:44:08 ERROR : file1: WriteFileHandle.Write: can't seek in file without --vfs-cache-mode >= writes
2026/03/01 05:44:08 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': File to upload is small (11 bytes), uploading instead of streaming
2026/03/01 05:44:08.597214 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:44:08.597241 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:44:08 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)
2026/03/01 05:44:08 DEBUG : file1: Remove: 
2026/03/01 05:44:08 DEBUG : Added virtual directory entry vDel: "file1"
2026/03/01 05:44:08 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
2026/03/01 05:44:08 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
2026/03/01 05:44:08 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
2026/03/01 05:44:09 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 2s for list eventual consistency: 2/3
    fstest.go:301: Flushing the directory cache
2026/03/01 05:44:11 ERROR : error listing: directory not found
    fstest.go:298: Sleeping for 4s for list eventual consistency: 3/3
    fstest.go:301: Flushing the directory cache
    fstest.go:305: 
        	Error Trace:	/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:305
        	            				/home/rclone/go/src/github.com/rclone/rclone/fstest/fstest.go:338
        	            				/home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go: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
2026/03/01 05:44:15 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:44:15 DEBUG : Looking for writers
2026/03/01 05:44:15 DEBUG : >WaitForWriters: 
2026/03/01 05:44:16 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleWriteAt (8.87s)
=== RUN   TestWriteFileHandleFlush
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:44:16 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:44:16 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:44:16 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:44:16 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:44:16 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:44:16 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/03/01 05:44:16 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/03/01 05:44:16 DEBUG : file1: WriteFileHandle.Flush unwritten handle, writing 0 bytes to avoid race conditions
2026/03/01 05:44:16 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:44:16 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': File to upload is small (5 bytes), uploading instead of streaming
2026/03/01 05:44:16.465052 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:44:16.465082 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:44:16 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:44:16 DEBUG : file1: Remove: 
2026/03/01 05:44:16 DEBUG : Added virtual directory entry vDel: "file1"
2026/03/01 05:44:16 DEBUG : file1: >Remove: err=<nil>
2026/03/01 05:44:16 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
2026/03/01 05:44:16 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
2026/03/01 05:44:16 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:44:16 DEBUG : Looking for writers
2026/03/01 05:44:16 DEBUG : >WaitForWriters: 
2026/03/01 05:44:16 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleFlush (0.44s)
=== RUN   TestWriteFileHandleRelease
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:44:16 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:44:16 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:44:16 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:44:16 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:44:16 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:44:16 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/03/01 05:44:16 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/03/01 05:44:16 DEBUG : file1: WriteFileHandle.Release closing
2026/03/01 05:44:16 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:44:16 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': File to upload is small (0 bytes), uploading instead of streaming
2026/03/01 05:44:16.959638 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:44:16.959664 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:44:16 ERROR : file1: WriteFileHandle.New Rcat failed: failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:44:16 DEBUG : file1: Remove: 
2026/03/01 05:44:16 DEBUG : Added virtual directory entry vDel: "file1"
2026/03/01 05:44:16 DEBUG : file1: >Remove: err=<nil>
2026/03/01 05:44:16 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
2026/03/01 05:44:16 DEBUG : file1: WriteFileHandle.Release nothing to do
2026/03/01 05:44:16 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:44:16 DEBUG : Looking for writers
2026/03/01 05:44:16 DEBUG : >WaitForWriters: 
2026/03/01 05:44:17 ERROR : error listing: directory not found
--- FAIL: TestWriteFileHandleRelease (0.50s)
=== RUN   TestWriteFileModTimeWithOpenWriters
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:44:17 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:44:17 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:44:17 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:44:17 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:44:17 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:44:17 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/03/01 05:44:17 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/03/01 05:44:17 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:44:17 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': File to upload is small (2 bytes), uploading instead of streaming
2026/03/01 05:44:17.423491 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:44:17.423515 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:44:17 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)
2026/03/01 05:44:17 DEBUG : file1: Remove: 
2026/03/01 05:44:17 DEBUG : Added virtual directory entry vDel: "file1"
2026/03/01 05:44:17 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
2026/03/01 05:44:17 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:44:17 DEBUG : Looking for writers
2026/03/01 05:44:17 DEBUG : >WaitForWriters: 
2026/03/01 05:44:17 ERROR : error listing: directory not found
--- FAIL: TestWriteFileModTimeWithOpenWriters (0.46s)
=== RUN   TestFileReadAtZeroLength
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:44:17 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:44:17 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:44:17 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:44:17 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:44:17 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:44:17 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/03/01 05:44:17 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/03/01 05:44:17 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:44:17 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': File to upload is small (0 bytes), uploading instead of streaming
2026/03/01 05:44:17.879078 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:44:17.879112 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:44:17 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)
2026/03/01 05:44:17 DEBUG : file1: Remove: 
2026/03/01 05:44:17 DEBUG : Added virtual directory entry vDel: "file1"
2026/03/01 05:44:17 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
2026/03/01 05:44:17 DEBUG : file1: OpenFile: flags=O_RDONLY, perm=----------
2026/03/01 05:44:17 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
2026/03/01 05:44:17 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:44:17 DEBUG : Looking for writers
2026/03/01 05:44:17 DEBUG : >WaitForWriters: 
2026/03/01 05:44:17 ERROR : error listing: directory not found
--- FAIL: TestFileReadAtZeroLength (0.45s)
=== RUN   TestFileReadAtNonZeroLength
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:44:17 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:44:17 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:44:17 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx
2026/03/01 05:44:18 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE
2026/03/01 05:44:18 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:44:18 DEBUG : file1: >Open: fd=file1 (w), err=<nil>
2026/03/01 05:44:18 DEBUG : file1: >OpenFile: fd=file1 (w), err=<nil>
2026/03/01 05:44:18 DEBUG : Added virtual directory entry vAddFile: "file1"
2026/03/01 05:44:18 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': File to upload is small (100 bytes), uploading instead of streaming
2026/03/01 05:44:18.361898 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:44:18.361933 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:44:18 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)
2026/03/01 05:44:18 DEBUG : file1: Remove: 
2026/03/01 05:44:18 DEBUG : Added virtual directory entry vDel: "file1"
2026/03/01 05:44:18 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
2026/03/01 05:44:18 DEBUG : file1: OpenFile: flags=O_RDONLY, perm=----------
2026/03/01 05:44:18 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
2026/03/01 05:44:18 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:44:18 DEBUG : Looking for writers
2026/03/01 05:44:18 DEBUG : >WaitForWriters: 
2026/03/01 05:44:18 ERROR : error listing: directory not found
--- FAIL: TestFileReadAtNonZeroLength (0.49s)
=== RUN   TestZipManyFiles
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:44:18 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:44:18 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:44:18.670299 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:44:18.670331 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:44:18 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:44:18 DEBUG : Looking for writers
2026/03/01 05:44:18 DEBUG : >WaitForWriters: 
2026/03/01 05:44:18 ERROR : error listing: directory not found
--- FAIL: TestZipManyFiles (0.30s)
=== RUN   TestZipManySubDirs
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:44:18 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:44:18 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:44:18.972621 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:44:18.972659 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:44:18 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:44:18 DEBUG : Looking for writers
2026/03/01 05:44:18 DEBUG : >WaitForWriters: 
2026/03/01 05:44:19 ERROR : error listing: directory not found
--- FAIL: TestZipManySubDirs (0.31s)
=== RUN   TestZipLargeFiles
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:44:19 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:44:19 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:44:19.361728 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:44:19.361775 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:44:19 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:44:19 DEBUG : Looking for writers
2026/03/01 05:44:19 DEBUG : >WaitForWriters: 
2026/03/01 05:44:19 ERROR : error listing: directory not found
--- FAIL: TestZipLargeFiles (0.38s)
=== RUN   TestZipDirsInRoot
    run.go:185: Remote "proton drive root link ID 'rclone-test-xowemef2fina'", Local "Local file system at /tmp/rclone1866219476", Modify Window "1s"
2026/03/01 05:44:19 INFO  : proton drive root link ID 'rclone-test-xowemef2fina': poll-interval is not supported by this remote
2026/03/01 05:44:19 NOTICE: proton drive root link ID 'rclone-test-xowemef2fina': --vfs-cache-mode writes or full is recommended for this remote as it can't stream
2026/03/01 05:44:19.685273 WARN RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422), Attempt 1
2026/03/01 05:44:19.685313 ERROR RESTY 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
    run.go:242: Failed to mkdir "proton drive root link ID 'rclone-test-xowemef2fina'": failed to make directory: 422 POST https://mail.proton.me/api/drive/shares/gYxulUP2_XOrbAxegpHKiBy09cfvss6mjykkd2Z3ZDpMFCmoWX4bC2TTm-Gl2UwrjReC8te_lFsQyeXT74Vgfw==/folders: Folder limit reached. To continue adding more files, create a subfolder. (Code=200300, Status=422)
2026/03/01 05:44:19 DEBUG : WaitForWriters: timeout=30s
2026/03/01 05:44:19 DEBUG : Looking for writers
2026/03/01 05:44:19 DEBUG : >WaitForWriters: 
2026/03/01 05:44:19 ERROR : error listing: directory not found
--- FAIL: TestZipDirsInRoot (0.32s)
FAIL
2026/03/01 05:44:19 DEBUG : proton drive root link ID 'rclone-test-xowemef2fina': Purge remote
2026/03/01 05:44:19 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 5m4.680554727s (try 5/5): 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]