"./vfs.test -test.v -test.timeout 1h0m0s -remote TestLinkbox: -verbose -test.run '^(TestVFSIsMetadataFile|TestVFSMkdir|TestVFSMkdirAll|TestWriteFileHandleFlush|TestWriteFileHandleMethods|TestWriteFileHandleWriteAt)$'" - Starting (try 3/5) 2026/07/04 06:24:27 DEBUG : Creating backend with remote "TestLinkbox:rclone-test-dukukaq0vemu" 2026/07/04 06:24:27 DEBUG : Using config file from "/home/rclone/.rclone.conf" 2026/07/04 06:24:27 DEBUG : Linkbox root 'rclone-test-dukukaq0vemu': Using cached web token 2026/07/04 06:24:28 DEBUG : Creating backend with remote "/tmp/rclone1297541268" === RUN TestVFSMkdir run.go:198: Remote "Linkbox root 'rclone-test-dukukaq0vemu'", Local "Local file system at /tmp/rclone1297541268", Modify Window "876000h0m0s" 2026/07/04 06:24:28 INFO : Linkbox root 'rclone-test-dukukaq0vemu': poll-interval is not supported by this remote 2026/07/04 06:24:28 NOTICE: Linkbox root 'rclone-test-dukukaq0vemu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream 2026/07/04 06:24:29 ERROR : error listing: directory not found 2026/07/04 06:24:31 DEBUG : Added virtual directory entry vAddDir: "/" 2026/07/04 06:24:33 DEBUG : Added virtual directory entry vAddDir: "a" 2026/07/04 06:24:35 DEBUG : Added virtual directory entry vAddDir: "b" 2026/07/04 06:24:37 DEBUG : Added virtual directory entry vAddDir: "c" 2026/07/04 06:24:40 DEBUG : Added virtual directory entry vAddDir: "d" 2026/07/04 06:24:41 DEBUG : WaitForWriters: timeout=30s 2026/07/04 06:24:41 DEBUG : Looking for writers 2026/07/04 06:24:41 DEBUG : a: Looking for writers 2026/07/04 06:24:41 DEBUG : b: Looking for writers 2026/07/04 06:24:41 DEBUG : c: Looking for writers 2026/07/04 06:24:41 DEBUG : d: Looking for writers 2026/07/04 06:24:41 DEBUG : Looking for writers 2026/07/04 06:24:41 DEBUG : c: reading active writers 2026/07/04 06:24:41 DEBUG : d: reading active writers 2026/07/04 06:24:41 DEBUG : /: reading active writers 2026/07/04 06:24:41 DEBUG : a: reading active writers 2026/07/04 06:24:41 DEBUG : b: reading active writers 2026/07/04 06:24:41 DEBUG : >WaitForWriters: --- PASS: TestVFSMkdir (19.37s) === RUN TestVFSMkdirAll run.go:198: Remote "Linkbox root 'rclone-test-dukukaq0vemu'", Local "Local file system at /tmp/rclone1297541268", Modify Window "876000h0m0s" 2026/07/04 06:24:48 INFO : Linkbox root 'rclone-test-dukukaq0vemu': poll-interval is not supported by this remote 2026/07/04 06:24:48 NOTICE: Linkbox root 'rclone-test-dukukaq0vemu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream 2026/07/04 06:24:50 DEBUG : Added virtual directory entry vAddDir: "a" 2026/07/04 06:24:52 DEBUG : a: Added virtual directory entry vAddDir: "b" 2026/07/04 06:24:53 DEBUG : a/b: Added virtual directory entry vAddDir: "c" 2026/07/04 06:24:55 DEBUG : a/b/c: Added virtual directory entry vAddDir: "d" 2026/07/04 06:24:58 DEBUG : WaitForWriters: timeout=30s 2026/07/04 06:24:58 DEBUG : a/b/c/d: Looking for writers 2026/07/04 06:24:58 DEBUG : a/b/c: Looking for writers 2026/07/04 06:24:58 DEBUG : d: reading active writers 2026/07/04 06:24:58 DEBUG : a/b: Looking for writers 2026/07/04 06:24:58 DEBUG : c: reading active writers 2026/07/04 06:24:58 DEBUG : a: Looking for writers 2026/07/04 06:24:58 DEBUG : b: reading active writers 2026/07/04 06:24:58 DEBUG : Looking for writers 2026/07/04 06:24:58 DEBUG : a: reading active writers 2026/07/04 06:24:58 DEBUG : >WaitForWriters: --- PASS: TestVFSMkdirAll (18.05s) === RUN TestVFSIsMetadataFile run.go:198: Remote "Linkbox root 'rclone-test-dukukaq0vemu'", Local "Local file system at /tmp/rclone1297541268", Modify Window "876000h0m0s" 2026/07/04 06:25:06 INFO : Linkbox root 'rclone-test-dukukaq0vemu': poll-interval is not supported by this remote 2026/07/04 06:25:06 NOTICE: Linkbox root 'rclone-test-dukukaq0vemu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream 2026/07/04 06:25:06 DEBUG : WaitForWriters: timeout=30s 2026/07/04 06:25:06 DEBUG : Looking for writers 2026/07/04 06:25:06 DEBUG : >WaitForWriters: --- PASS: TestVFSIsMetadataFile (0.55s) === RUN TestWriteFileHandleMethods run.go:198: Remote "Linkbox root 'rclone-test-dukukaq0vemu'", Local "Local file system at /tmp/rclone1297541268", Modify Window "876000h0m0s" 2026/07/04 06:25:06 INFO : Linkbox root 'rclone-test-dukukaq0vemu': poll-interval is not supported by this remote 2026/07/04 06:25:06 NOTICE: Linkbox root 'rclone-test-dukukaq0vemu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream 2026/07/04 06:25:06 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx 2026/07/04 06:25:07 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE 2026/07/04 06:25:07 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:07 DEBUG : file1: >Open: fd=file1 (w), err= 2026/07/04 06:25:07 DEBUG : file1: >OpenFile: fd=file1 (w), err= 2026/07/04 06:25:07 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:07 ERROR : file1: WriteFileHandle: Read: Can't read and write to file without --vfs-cache-mode >= minimal 2026/07/04 06:25:07 ERROR : file1: WriteFileHandle: ReadAt: Can't read and write to file without --vfs-cache-mode >= minimal 2026/07/04 06:25:07 ERROR : file1: WriteFileHandle: Truncate: Can't change size without --vfs-cache-mode >= writes 2026/07/04 06:25:07 DEBUG : Linkbox root 'rclone-test-dukukaq0vemu': File to upload is small (5 bytes), uploading instead of streaming 2026/07/04 06:25:09 DEBUG : file1: size = 5 OK 2026/07/04 06:25:09 NOTICE: Linkbox root 'rclone-test-dukukaq0vemu': --checksum is in use but the source and destination have no hashes in common; falling back to --size-only 2026/07/04 06:25:09 DEBUG : file1: Size of src and dst objects identical 2026/07/04 06:25:09 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:09 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx 2026/07/04 06:25:09 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE 2026/07/04 06:25:09 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:09 DEBUG : file1: >Open: fd=file1 (w), err= 2026/07/04 06:25:09 DEBUG : file1: >OpenFile: fd=file1 (w), err= 2026/07/04 06:25:09 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx 2026/07/04 06:25:09 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE 2026/07/04 06:25:09 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:09 DEBUG : file1: >Open: fd=file1 (w), err= 2026/07/04 06:25:09 DEBUG : file1: >OpenFile: fd=file1 (w), err= 2026/07/04 06:25:09 ERROR : file1: WriteFileHandle: Can't open for write without O_TRUNC on existing file without --vfs-cache-mode >= writes 2026/07/04 06:25:09 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE|O_TRUNC, perm=-rwxrwxrwx 2026/07/04 06:25:09 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE|O_TRUNC 2026/07/04 06:25:09 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:09 DEBUG : file1: >Open: fd=file1 (w), err= 2026/07/04 06:25:09 DEBUG : file1: >OpenFile: fd=file1 (w), err= 2026/07/04 06:25:09 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:09 DEBUG : Linkbox root 'rclone-test-dukukaq0vemu': File to upload is small (0 bytes), uploading instead of streaming 2026/07/04 06:25:09 ERROR : file1: WriteFileHandle.New Rcat failed: can't upload empty files to this remote 2026/07/04 06:25:09 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE|O_TRUNC, perm=-rwxrwxrwx 2026/07/04 06:25:09 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE|O_TRUNC 2026/07/04 06:25:09 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:09 DEBUG : file1: >Open: fd=file1 (w), err= 2026/07/04 06:25:09 DEBUG : file1: >OpenFile: fd=file1 (w), err= 2026/07/04 06:25:09 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:09 DEBUG : Linkbox root 'rclone-test-dukukaq0vemu': File to upload is small (7 bytes), uploading instead of streaming 2026/07/04 06:25:09 DEBUG : file1: Update: removing old file 2026/07/04 06:25:12 DEBUG : file1: size = 7 OK 2026/07/04 06:25:12 DEBUG : file1: Size of src and dst objects identical 2026/07/04 06:25:12 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:12 DEBUG : WaitForWriters: timeout=30s 2026/07/04 06:25:12 DEBUG : Looking for writers 2026/07/04 06:25:12 DEBUG : file1: reading active writers 2026/07/04 06:25:12 DEBUG : >WaitForWriters: --- PASS: TestWriteFileHandleMethods (7.77s) === RUN TestWriteFileHandleWriteAt run.go:198: Remote "Linkbox root 'rclone-test-dukukaq0vemu'", Local "Local file system at /tmp/rclone1297541268", Modify Window "876000h0m0s" 2026/07/04 06:25:14 INFO : Linkbox root 'rclone-test-dukukaq0vemu': poll-interval is not supported by this remote 2026/07/04 06:25:14 NOTICE: Linkbox root 'rclone-test-dukukaq0vemu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream 2026/07/04 06:25:14 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx 2026/07/04 06:25:15 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE 2026/07/04 06:25:15 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:15 DEBUG : file1: >Open: fd=file1 (w), err= 2026/07/04 06:25:15 DEBUG : file1: >OpenFile: fd=file1 (w), err= 2026/07/04 06:25:15 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:15 DEBUG : file1: waiting for in-sequence write to 100 for 1s 2026/07/04 06:25:16 DEBUG : file1: aborting in-sequence write wait, off=100 2026/07/04 06:25:16 DEBUG : file1: failed to wait for in-sequence write to 100 2026/07/04 06:25:16 ERROR : file1: WriteFileHandle.Write: can't seek in file without --vfs-cache-mode >= writes 2026/07/04 06:25:16 DEBUG : Linkbox root 'rclone-test-dukukaq0vemu': File to upload is small (11 bytes), uploading instead of streaming 2026/07/04 06:25:18 DEBUG : file1: size = 11 OK 2026/07/04 06:25:18 DEBUG : file1: Size of src and dst objects identical 2026/07/04 06:25:18 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:18 ERROR : file1: WriteFileHandle.Write: error: Bad file descriptor 2026/07/04 06:25:18 DEBUG : WaitForWriters: timeout=30s 2026/07/04 06:25:18 DEBUG : Looking for writers 2026/07/04 06:25:18 DEBUG : file1: reading active writers 2026/07/04 06:25:18 DEBUG : >WaitForWriters: --- PASS: TestWriteFileHandleWriteAt (5.41s) === RUN TestWriteFileHandleFlush run.go:198: Remote "Linkbox root 'rclone-test-dukukaq0vemu'", Local "Local file system at /tmp/rclone1297541268", Modify Window "876000h0m0s" 2026/07/04 06:25:20 INFO : Linkbox root 'rclone-test-dukukaq0vemu': poll-interval is not supported by this remote 2026/07/04 06:25:20 NOTICE: Linkbox root 'rclone-test-dukukaq0vemu': --vfs-cache-mode writes or full is recommended for this remote as it can't stream 2026/07/04 06:25:20 DEBUG : file1: OpenFile: flags=O_WRONLY|O_CREATE, perm=-rwxrwxrwx 2026/07/04 06:25:20 DEBUG : file1: Open: flags=O_WRONLY|O_CREATE 2026/07/04 06:25:20 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:20 DEBUG : file1: >Open: fd=file1 (w), err= 2026/07/04 06:25:20 DEBUG : file1: >OpenFile: fd=file1 (w), err= 2026/07/04 06:25:20 DEBUG : file1: WriteFileHandle.Flush unwritten handle, writing 0 bytes to avoid race conditions 2026/07/04 06:25:20 DEBUG : Added virtual directory entry vAddFile: "file1" 2026/07/04 06:25:20 DEBUG : Linkbox root 'rclone-test-dukukaq0vemu': File to upload is small (5 bytes), uploading instead of streaming 2026/07/04 06:25:20 DEBUG : Linkbox root 'rclone-test-dukukaq0vemu': Web API returned error "Linkbox error 0: " - refreshing token 2026/07/04 06:25:20 ERROR : file1: WriteFileHandle.New Rcat failed: Update err in unmarshaling response: invalid character '<' looking for beginning of value 2026/07/04 06:25:20 DEBUG : file1: Remove: 2026/07/04 06:25:20 DEBUG : Added virtual directory entry vDel: "file1" 2026/07/04 06:25:20 DEBUG : file1: >Remove: err= 2026/07/04 06:25:20 ERROR : file1: WriteFileHandle.Flush error: Update err in unmarshaling response: invalid character '<' looking for beginning of value write_test.go:256: Error Trace: /home/rclone/go/src/github.com/rclone/rclone/vfs/write_test.go:256 Error: Received unexpected error: Update err in unmarshaling response: invalid character '<' looking for beginning of value Test: TestWriteFileHandleFlush 2026/07/04 06:25:20 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) Test: TestWriteFileHandleFlush 2026/07/04 06:25:20 DEBUG : WaitForWriters: timeout=30s 2026/07/04 06:25:20 DEBUG : Looking for writers 2026/07/04 06:25:20 DEBUG : >WaitForWriters: 2026/07/04 06:25:20 DEBUG : Linkbox root 'rclone-test-dukukaq0vemu': Web API returned error "Linkbox error 0: " - refreshing token 2026/07/04 06:25:21 ERROR : error listing: getting files failed: login failed: invalid character '<' looking for beginning of value run.go:182: Error Trace: /home/rclone/go/src/github.com/rclone/rclone/fstest/run.go:182 /home/rclone/go/src/github.com/rclone/rclone/fstest/run.go:406 /usr/local/go/src/testing/testing.go:1317 /usr/local/go/src/testing/testing.go:1667 /usr/local/go/src/testing/testing.go:2030 /usr/local/go/src/runtime/asm_amd64.s:1771 Error: Received unexpected error: getting files failed: login failed: invalid character '<' looking for beginning of value Test: TestWriteFileHandleFlush --- FAIL: TestWriteFileHandleFlush (1.05s) FAIL 2026/07/04 06:25:21 DEBUG : Linkbox root 'rclone-test-dukukaq0vemu': Purge remote 2026/07/04 06:25:21 NOTICE: purge failed: purge error: invalid character '<' looking for beginning of value "./vfs.test -test.v -test.timeout 1h0m0s -remote TestLinkbox: -verbose -test.run '^(TestVFSIsMetadataFile|TestVFSMkdir|TestVFSMkdirAll|TestWriteFileHandleFlush|TestWriteFileHandleMethods|TestWriteFileHandleWriteAt)$'" - Finished ERROR in 53.423513932s (try 3/5): exit status 1: Failed [TestWriteFileHandleFlush]