"./sync.test -test.v -test.timeout 2h0m0s -remote TestDrime: -list-retries 5 -verbose -test.run '^(TestBase64|TestManualTransformFile|TestServerSideMove|TestServerSideMoveDeleteEmptySourceDirs|TestSyncBackupDirSuffixOnly|TestSyncBackupDirWithSuffix|TestSyncBackupDirWithSuffixKeepExtension|TestSyncSuffix|TestSyncSuffixKeepExtension|TestTransformFile)$'" - Starting (try 2/5) 2026/05/21 05:24:48 DEBUG : Creating backend with remote "TestDrime:rclone-test-sofolix4huhe" 2026/05/21 05:24:48 DEBUG : Using config file from "/home/rclone/.rclone.conf" 2026/05/21 05:24:50 DEBUG : Creating backend with remote "/tmp/rclone1040655214" === RUN TestServerSideMove run.go:198: Remote "drime root 'rclone-test-sofolix4huhe'", Local "Local file system at /tmp/rclone1040655214", Modify Window "876000h0m0s" 2026/05/21 05:24:50 DEBUG : Creating backend with remote "TestDrime:rclone-test-wamofem2lawu" sync_test.go:1736: Server side move (if possible) drime root 'rclone-test-sofolix4huhe' -> drime root 'rclone-test-wamofem2lawu' 2026/05/21 05:25:00 DEBUG : drime root 'rclone-test-wamofem2lawu': Using server-side directory move 2026/05/21 05:25:00 INFO : drime root 'rclone-test-wamofem2lawu': Server side directory move failed - fallback to file moves: can't copy directory - destination already exists 2026/05/21 05:25:01 DEBUG : potato2: Need to transfer - File not found at Destination 2026/05/21 05:25:01 DEBUG : empty space: size = 1 OK 2026/05/21 05:25:01 DEBUG : empty space: Sizes identical 2026/05/21 05:25:01 DEBUG : empty space: Unchanged skipping 2026/05/21 05:25:01 DEBUG : potato3: size = 68 (drime root 'rclone-test-sofolix4huhe') 2026/05/21 05:25:01 DEBUG : potato3: size = 60 (drime root 'rclone-test-wamofem2lawu') 2026/05/21 05:25:01 DEBUG : potato3: Sizes differ 2026/05/21 05:25:01 DEBUG : drime root 'rclone-test-wamofem2lawu': Waiting for checks to finish 2026/05/21 05:25:02 INFO : empty space: Deleted 2026/05/21 05:25:02 DEBUG : drime root 'rclone-test-wamofem2lawu': Waiting for transfers to finish 2026/05/21 05:25:02 INFO : potato3: Deleted 2026/05/21 05:25:06 INFO : potato2: Moved (server-side) 2026/05/21 05:25:07 INFO : potato3: Moved (server-side) 2026/05/21 05:25:08 DEBUG : Creating backend with remote "TestDrime:rclone-test-noqepeb7tama" 2026/05/21 05:25:09 DEBUG : drime root 'rclone-test-noqepeb7tama': Using server-side directory move 2026/05/21 05:25:10 ERROR : drime root 'rclone-test-noqepeb7tama': Server side directory move failed: Move rename leaf: failed to patch item "name" to rclone-test-noqepeb7tama: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff128b2ae71dfd7\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff128b2ae71dfd7\",\"timestamp\":\"2026-05-21T05:25:10Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" sync_test.go:1776: Error Trace: /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:1776 /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:1912 Error: Received unexpected error: Move rename leaf: failed to patch item "name" to rclone-test-noqepeb7tama: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff128b2ae71dfd7\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff128b2ae71dfd7\",\"timestamp\":\"2026-05-21T05:25:10Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" Test: TestServerSideMove 2026/05/21 05:25:10 DEBUG : drime root 'rclone-test-noqepeb7tama': Purge remote 2026/05/21 05:25:10 NOTICE: purge failed: directory not found 2026/05/21 05:25:10 DEBUG : drime root 'rclone-test-wamofem2lawu': Purge remote --- FAIL: TestServerSideMove (21.88s) === RUN TestServerSideMoveDeleteEmptySourceDirs run.go:198: Remote "drime root 'rclone-test-sofolix4huhe'", Local "Local file system at /tmp/rclone1040655214", Modify Window "876000h0m0s" 2026/05/21 05:25:12 DEBUG : Creating backend with remote "TestDrime:rclone-test-holonac0petu" 2026/05/21 05:25:17 INFO : tomatoDir: Making directory sync_test.go:1736: Server side move (if possible) drime root 'rclone-test-sofolix4huhe' -> drime root 'rclone-test-holonac0petu' 2026/05/21 05:25:23 DEBUG : drime root 'rclone-test-holonac0petu': Using server-side directory move 2026/05/21 05:25:23 INFO : drime root 'rclone-test-holonac0petu': Server side directory move failed - fallback to file moves: can't copy directory - destination already exists 2026/05/21 05:25:23 DEBUG : potato2: Need to transfer - File not found at Destination 2026/05/21 05:25:23 DEBUG : potato3: size = 68 (drime root 'rclone-test-sofolix4huhe') 2026/05/21 05:25:23 DEBUG : potato3: size = 60 (drime root 'rclone-test-holonac0petu') 2026/05/21 05:25:23 DEBUG : potato3: Sizes differ 2026/05/21 05:25:23 DEBUG : empty space: size = 1 OK 2026/05/21 05:25:23 DEBUG : empty space: Sizes identical 2026/05/21 05:25:23 DEBUG : empty space: Unchanged skipping 2026/05/21 05:25:24 INFO : potato3: Deleted 2026/05/21 05:25:24 INFO : empty space: Deleted 2026/05/21 05:25:24 DEBUG : drime root 'rclone-test-holonac0petu': Waiting for checks to finish 2026/05/21 05:25:24 DEBUG : drime root 'rclone-test-holonac0petu': Waiting for transfers to finish 2026/05/21 05:25:28 INFO : potato2: Moved (server-side) 2026/05/21 05:25:28 INFO : potato3: Moved (server-side) 2026/05/21 05:25:28 INFO : tomatoDir: Removing directory 2026/05/21 05:25:29 DEBUG : drime root 'rclone-test-sofolix4huhe': deleted 1 directories 2026/05/21 05:25:30 DEBUG : Creating backend with remote "TestDrime:rclone-test-hazenet2gaho" 2026/05/21 05:25:31 INFO : tomatoDir: Making directory 2026/05/21 05:25:33 DEBUG : drime root 'rclone-test-hazenet2gaho': Using server-side directory move 2026/05/21 05:25:33 ERROR : drime root 'rclone-test-hazenet2gaho': Server side directory move failed: Move rename leaf: failed to patch item "name" to rclone-test-hazenet2gaho: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff129459fadcc81\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff129459fadcc81\",\"timestamp\":\"2026-05-21T05:25:33Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" sync_test.go:1776: Error Trace: /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:1776 /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:1932 Error: Received unexpected error: Move rename leaf: failed to patch item "name" to rclone-test-hazenet2gaho: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff129459fadcc81\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff129459fadcc81\",\"timestamp\":\"2026-05-21T05:25:33Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" Test: TestServerSideMoveDeleteEmptySourceDirs 2026/05/21 05:25:33 DEBUG : drime root 'rclone-test-hazenet2gaho': Purge remote 2026/05/21 05:25:34 NOTICE: purge failed: directory not found 2026/05/21 05:25:34 DEBUG : drime root 'rclone-test-holonac0petu': Purge remote --- FAIL: TestServerSideMoveDeleteEmptySourceDirs (23.34s) === RUN TestSyncBackupDirWithSuffix run.go:198: Remote "drime root 'rclone-test-sofolix4huhe'", Local "Local file system at /tmp/rclone1040655214", Modify Window "876000h0m0s" 2026/05/21 05:25:41 DEBUG : Creating backend with remote "TestDrime:rclone-test-sofolix4huhe/dst" 2026/05/21 05:25:42 DEBUG : Creating backend with remote "TestDrime:rclone-test-sofolix4huhe/backup" 2026/05/21 05:25:44 DEBUG : one: size = 4 (Local file system at /tmp/rclone1040655214) 2026/05/21 05:25:44 DEBUG : one: size = 3 (drime root 'rclone-test-sofolix4huhe/dst') 2026/05/21 05:25:44 DEBUG : one: Sizes differ 2026/05/21 05:25:44 DEBUG : drime root 'rclone-test-sofolix4huhe/dst': Waiting for checks to finish 2026/05/21 05:25:44 DEBUG : two: size = 3 OK 2026/05/21 05:25:44 DEBUG : two: Sizes identical 2026/05/21 05:25:44 DEBUG : two: Unchanged skipping 2026/05/21 05:25:46 ERROR : one: Couldn't move: Move rename leaf: failed to patch item "name" to one.bak.vodaduk9: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff129958d923c20\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff129958d923c20\",\"timestamp\":\"2026-05-21T05:25:46Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" 2026/05/21 05:25:46 DEBUG : drime root 'rclone-test-sofolix4huhe/dst': Waiting for transfers to finish 2026/05/21 05:25:46 ERROR : drime root 'rclone-test-sofolix4huhe/dst': not deleting files as there were IO errors 2026/05/21 05:25:46 ERROR : drime root 'rclone-test-sofolix4huhe/dst': not deleting directories as there were IO errors sync_test.go:2416: Error Trace: /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:2416 /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:2462 Error: Received unexpected error: Move rename leaf: failed to patch item "name" to one.bak.vodaduk9: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff129958d923c20\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff129958d923c20\",\"timestamp\":\"2026-05-21T05:25:46Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" Test: TestSyncBackupDirWithSuffix --- FAIL: TestSyncBackupDirWithSuffix (16.56s) === RUN TestSyncBackupDirWithSuffixKeepExtension run.go:198: Remote "drime root 'rclone-test-sofolix4huhe'", Local "Local file system at /tmp/rclone1040655214", Modify Window "876000h0m0s" 2026/05/21 05:25:58 DEBUG : Creating backend with remote "TestDrime:rclone-test-sofolix4huhe/dst" 2026/05/21 05:25:59 DEBUG : Creating backend with remote "TestDrime:rclone-test-sofolix4huhe/backup" 2026/05/21 05:26:01 DEBUG : drime root 'rclone-test-sofolix4huhe/dst': Waiting for checks to finish 2026/05/21 05:26:01 DEBUG : two: size = 3 OK 2026/05/21 05:26:01 DEBUG : two: Sizes identical 2026/05/21 05:26:01 DEBUG : two: Unchanged skipping 2026/05/21 05:26:01 DEBUG : one: size = 4 (Local file system at /tmp/rclone1040655214) 2026/05/21 05:26:01 DEBUG : one: size = 3 (drime root 'rclone-test-sofolix4huhe/dst') 2026/05/21 05:26:01 DEBUG : one: Sizes differ 2026/05/21 05:26:03 ERROR : one: Couldn't move: Move rename leaf: failed to patch item "name" to one-2019-01-01.cewetat0: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff129fe8a9fd0e1\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff129fe8a9fd0e1\",\"timestamp\":\"2026-05-21T05:26:03Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" 2026/05/21 05:26:03 DEBUG : drime root 'rclone-test-sofolix4huhe/dst': Waiting for transfers to finish 2026/05/21 05:26:03 ERROR : drime root 'rclone-test-sofolix4huhe/dst': not deleting files as there were IO errors 2026/05/21 05:26:03 ERROR : drime root 'rclone-test-sofolix4huhe/dst': not deleting directories as there were IO errors sync_test.go:2416: Error Trace: /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:2416 /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:2466 Error: Received unexpected error: Move rename leaf: failed to patch item "name" to one-2019-01-01.cewetat0: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff129fe8a9fd0e1\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff129fe8a9fd0e1\",\"timestamp\":\"2026-05-21T05:26:03Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" Test: TestSyncBackupDirWithSuffixKeepExtension --- FAIL: TestSyncBackupDirWithSuffixKeepExtension (15.74s) === RUN TestSyncBackupDirSuffixOnly run.go:198: Remote "drime root 'rclone-test-sofolix4huhe'", Local "Local file system at /tmp/rclone1040655214", Modify Window "876000h0m0s" 2026/05/21 05:26:13 DEBUG : Creating backend with remote "TestDrime:rclone-test-sofolix4huhe/dst" 2026/05/21 05:26:14 DEBUG : one: size = 4 (Local file system at /tmp/rclone1040655214) 2026/05/21 05:26:14 DEBUG : one: size = 3 (drime root 'rclone-test-sofolix4huhe/dst') 2026/05/21 05:26:14 DEBUG : one: Sizes differ 2026/05/21 05:26:14 DEBUG : two: size = 3 OK 2026/05/21 05:26:14 DEBUG : two: Sizes identical 2026/05/21 05:26:14 DEBUG : two: Unchanged skipping 2026/05/21 05:26:14 DEBUG : drime root 'rclone-test-sofolix4huhe/dst': Waiting for checks to finish 2026/05/21 05:26:14 ERROR : one: Couldn't move: Move rename leaf: failed to patch item "name" to one.bak: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff12a458d67c1de\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff12a458d67c1de\",\"timestamp\":\"2026-05-21T05:26:14Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" 2026/05/21 05:26:14 DEBUG : drime root 'rclone-test-sofolix4huhe/dst': Waiting for transfers to finish 2026/05/21 05:26:14 ERROR : drime root 'rclone-test-sofolix4huhe/dst': not deleting files as there were IO errors 2026/05/21 05:26:14 ERROR : drime root 'rclone-test-sofolix4huhe/dst': not deleting directories as there were IO errors sync_test.go:2416: Error Trace: /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:2416 /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:2470 Error: Received unexpected error: Move rename leaf: failed to patch item "name" to one.bak: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff12a458d67c1de\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff12a458d67c1de\",\"timestamp\":\"2026-05-21T05:26:14Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" Test: TestSyncBackupDirSuffixOnly --- FAIL: TestSyncBackupDirSuffixOnly (11.40s) === RUN TestSyncSuffix run.go:198: Remote "drime root 'rclone-test-sofolix4huhe'", Local "Local file system at /tmp/rclone1040655214", Modify Window "876000h0m0s" 2026/05/21 05:26:24 DEBUG : Creating backend with remote "TestDrime:rclone-test-sofolix4huhe/dst" 2026/05/21 05:26:26 DEBUG : one: size = 4 (Local file system at /tmp/rclone1040655214) 2026/05/21 05:26:26 DEBUG : one: size = 3 (drime root 'rclone-test-sofolix4huhe/dst') 2026/05/21 05:26:26 DEBUG : one: Sizes differ 2026/05/21 05:26:26 ERROR : one: Couldn't move: Move rename leaf: failed to patch item "name" to one.bak: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff12a902940b724\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff12a902940b724\",\"timestamp\":\"2026-05-21T05:26:26Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" sync_test.go:2504: Error Trace: /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:2504 /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:2554 Error: Received unexpected error: moving to --backup-dir failed: Move rename leaf: failed to patch item "name" to one.bak: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff12a902940b724\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff12a902940b724\",\"timestamp\":\"2026-05-21T05:26:26Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" Test: TestSyncSuffix --- FAIL: TestSyncSuffix (10.53s) === RUN TestSyncSuffixKeepExtension run.go:198: Remote "drime root 'rclone-test-sofolix4huhe'", Local "Local file system at /tmp/rclone1040655214", Modify Window "876000h0m0s" 2026/05/21 05:26:34 DEBUG : Creating backend with remote "TestDrime:rclone-test-sofolix4huhe/dst" 2026/05/21 05:26:36 DEBUG : one: size = 4 (Local file system at /tmp/rclone1040655214) 2026/05/21 05:26:36 DEBUG : one: size = 3 (drime root 'rclone-test-sofolix4huhe/dst') 2026/05/21 05:26:36 DEBUG : one: Sizes differ 2026/05/21 05:26:37 ERROR : one: Couldn't move: Move rename leaf: failed to patch item "name" to one-2019-01-01: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff12ad28d9d8dd7\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff12ad28d9d8dd7\",\"timestamp\":\"2026-05-21T05:26:37Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" sync_test.go:2504: Error Trace: /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:2504 /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_test.go:2555 Error: Received unexpected error: moving to --backup-dir failed: Move rename leaf: failed to patch item "name" to one-2019-01-01: Error "520 (520): {\"type\":\"https://developers.cloudflare.com/support/troubleshooting/http-status-codes/cloudflare-5xx-errors/error-520/\",\"title\":\"Error 520: Web server is returning an unknown error\",\"status\":520,\"detail\":\"The origin web server sent a response that Cloudflare could not parse. This may indicate the origin returned an empty response, malformed HTTP headers, or an otherwise invalid response.\",\"instance\":\"9ff12ad28d9d8dd7\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9ff12ad28d9d8dd7\",\"timestamp\":\"2026-05-21T05:26:37Z\",\"zone\":\"app.drime.cloud\",\"cloudflare_error\":true,\"retryable\":true,\"retry_after\":60,\"owner_action_required\":true,\"what_you_should_do\":\"**Wait and retry.** Back off for at least 60 seconds. If the error persists, the website operator should check the origin server error logs and submit them to Cloudflare support.\",\"footer\":\"This error was generated by Cloudflare on behalf of the website owner.\"}" Test: TestSyncSuffixKeepExtension --- FAIL: TestSyncSuffixKeepExtension (12.14s) === RUN TestTransformFile run.go:198: Remote "drime root 'rclone-test-sofolix4huhe'", Local "Local file system at /tmp/rclone1040655214", Modify Window "876000h0m0s" 2026/05/21 05:26:41 DEBUG : empty_dir: Making directory with metadata 2026/05/21 05:26:41 INFO : empty_dir: Made directory with metadata (mtime=2001-02-03T04:05:06.499999999Z) 2026/05/21 05:26:41 DEBUG : toe: transformed to: tictactoe 2026/05/21 05:26:41 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/21 05:26:41 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/21 05:26:42 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/21 05:26:42 INFO : tictacempty_dir: Making directory 2026/05/21 05:26:43 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/21 05:26:43 DEBUG : toe: transformed to: tictactoe 2026/05/21 05:26:43 DEBUG : toe: transformed to: tictactoe 2026/05/21 05:26:43 INFO : tictactoe: Making directory 2026/05/21 05:26:44 DEBUG : toe: transformed to: tictactoe 2026/05/21 05:26:44 DEBUG : toe: transformed to: tictactoe 2026/05/21 05:26:44 DEBUG : toe/toe: transformed to: tictactoe/tictactoe 2026/05/21 05:26:44 INFO : tictactoe/tictactoe: Making directory 2026/05/21 05:26:45 DEBUG : toe/toe: transformed to: tictactoe/tictactoe 2026/05/21 05:26:45 DEBUG : toe.txt: transformed to: tictactoe.txt 2026/05/21 05:26:45 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/21 05:26:45 DEBUG : toe/toe/toe.txt: Need to transfer - File not found at Destination 2026/05/21 05:26:45 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/21 05:26:45 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/21 05:26:45 DEBUG : drime root 'rclone-test-sofolix4huhe': Waiting for checks to finish 2026/05/21 05:26:45 DEBUG : drime root 'rclone-test-sofolix4huhe': Waiting for transfers to finish 2026/05/21 05:26:46 DEBUG : tictactoe/tictactoe/tictactoe.txt: size = 11 OK 2026/05/21 05:26:46 INFO : toe/toe/toe.txt: Copied (new) to: tictactoe/tictactoe/tictactoe.txt 2026/05/21 05:26:46 INFO : toe/toe/toe.txt: Deleted 2026/05/21 05:26:46 ERROR : Local file system at /tmp/rclone1040655214: not deleting directories as there were IO errors sync_transform_test.go:428: Error Trace: /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_transform_test.go:428 Error: Received unexpected error: not deleting directories as there were IO errors Test: TestTransformFile --- FAIL: TestTransformFile (10.63s) === RUN TestManualTransformFile run.go:198: Remote "drime root 'rclone-test-sofolix4huhe'", Local "Local file system at /tmp/rclone1040655214", Modify Window "876000h0m0s" 2026/05/21 05:26:52 DEBUG : Reset feature "Copy" 2026/05/21 05:26:52 DEBUG : Reset feature "Move" 2026/05/21 05:26:52 DEBUG : Reset feature "Copy" 2026/05/21 05:26:52 DEBUG : Reset feature "Move" 2026/05/21 05:26:52 DEBUG : empty_dir: Making directory with metadata 2026/05/21 05:26:52 INFO : empty_dir: Made directory with metadata (mtime=2001-02-03T04:05:06.499999999Z) 2026/05/21 05:26:52 DEBUG : toe: transformed to: tictactoe 2026/05/21 05:26:52 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/21 05:26:52 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/21 05:26:52 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/21 05:26:52 INFO : tictacempty_dir: Making directory 2026/05/21 05:26:53 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/21 05:26:53 DEBUG : toe: transformed to: tictactoe 2026/05/21 05:26:53 DEBUG : toe: transformed to: tictactoe 2026/05/21 05:26:53 INFO : tictactoe: Making directory 2026/05/21 05:26:55 DEBUG : toe: transformed to: tictactoe 2026/05/21 05:26:55 DEBUG : toe: transformed to: tictactoe 2026/05/21 05:26:55 DEBUG : toe/toe: transformed to: tictactoe/tictactoe 2026/05/21 05:26:55 INFO : tictactoe/tictactoe: Making directory 2026/05/21 05:26:56 DEBUG : toe/toe: transformed to: tictactoe/tictactoe 2026/05/21 05:26:56 DEBUG : toe.txt: transformed to: tictactoe.txt 2026/05/21 05:26:56 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/21 05:26:56 DEBUG : toe/toe/toe.txt: Need to transfer - File not found at Destination 2026/05/21 05:26:56 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/21 05:26:56 DEBUG : drime root 'rclone-test-sofolix4huhe': Waiting for checks to finish 2026/05/21 05:26:56 DEBUG : drime root 'rclone-test-sofolix4huhe': Waiting for transfers to finish 2026/05/21 05:26:56 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/21 05:26:57 DEBUG : tictactoe/tictactoe/tictactoe.txt: size = 11 OK 2026/05/21 05:26:57 INFO : toe/toe/toe.txt: Copied (new) to: tictactoe/tictactoe/tictactoe.txt 2026/05/21 05:26:57 INFO : toe/toe/toe.txt: Deleted 2026/05/21 05:26:57 ERROR : Local file system at /tmp/rclone1040655214: not deleting directories as there were IO errors sync_transform_test.go:461: Error Trace: /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_transform_test.go:461 Error: Received unexpected error: not deleting directories as there were IO errors Test: TestManualTransformFile run.go:186: removing dir "tictactoe/tictactoe" failed - try 1/5: sleeping 1s: directory not empty --- FAIL: TestManualTransformFile (12.57s) === RUN TestBase64 run.go:198: Remote "drime root 'rclone-test-sofolix4huhe'", Local "Local file system at /tmp/rclone1040655214", Modify Window "876000h0m0s" 2026/05/21 05:27:04 DEBUG : toe: transformed to: dG9l 2026/05/21 05:27:05 DEBUG : toe: transformed to: dG9l 2026/05/21 05:27:05 INFO : dG9l: Making directory 2026/05/21 05:27:06 DEBUG : toe: transformed to: dG9l 2026/05/21 05:27:06 DEBUG : toe: transformed to: dG9l 2026/05/21 05:27:06 DEBUG : toe/toe: transformed to: dG9l/dG9l 2026/05/21 05:27:06 INFO : dG9l/dG9l: Making directory 2026/05/21 05:27:07 DEBUG : toe/toe: transformed to: dG9l/dG9l 2026/05/21 05:27:07 DEBUG : toe.txt: transformed to: dG9lLnR4dA== 2026/05/21 05:27:07 DEBUG : toe/toe/toe.txt: transformed to: dG9l/dG9l/dG9lLnR4dA== 2026/05/21 05:27:07 DEBUG : toe/toe/toe.txt: Need to transfer - File not found at Destination 2026/05/21 05:27:07 DEBUG : toe/toe/toe.txt: transformed to: dG9l/dG9l/dG9lLnR4dA== 2026/05/21 05:27:07 DEBUG : drime root 'rclone-test-sofolix4huhe': Waiting for checks to finish 2026/05/21 05:27:07 DEBUG : drime root 'rclone-test-sofolix4huhe': Waiting for transfers to finish 2026/05/21 05:27:09 DEBUG : dG9l/dG9l/dG9lLnR4dA==: size = 11 OK 2026/05/21 05:27:09 INFO : toe/toe/toe.txt: Copied (new) to: dG9l/dG9l/dG9lLnR4dA== 2026/05/21 05:27:09 ERROR : drime root 'rclone-test-sofolix4huhe': not deleting files as there were IO errors 2026/05/21 05:27:09 ERROR : drime root 'rclone-test-sofolix4huhe': not deleting directories as there were IO errors sync_transform_test.go:488: Error Trace: /home/rclone/go/src/github.com/rclone/rclone/fs/sync/sync_transform_test.go:488 Error: Received unexpected error: not deleting files as there were IO errors Test: TestBase64 --- FAIL: TestBase64 (9.51s) FAIL 2026/05/21 05:27:14 DEBUG : drime root 'rclone-test-sofolix4huhe': Purge remote "./sync.test -test.v -test.timeout 2h0m0s -remote TestDrime: -list-retries 5 -verbose -test.run '^(TestBase64|TestManualTransformFile|TestServerSideMove|TestServerSideMoveDeleteEmptySourceDirs|TestSyncBackupDirSuffixOnly|TestSyncBackupDirWithSuffix|TestSyncBackupDirWithSuffixKeepExtension|TestSyncSuffix|TestSyncSuffixKeepExtension|TestTransformFile)$'" - Finished ERROR in 2m26.265105578s (try 2/5): exit status 1: Failed [TestServerSideMove TestServerSideMoveDeleteEmptySourceDirs TestSyncBackupDirWithSuffix TestSyncBackupDirWithSuffixKeepExtension TestSyncBackupDirSuffixOnly TestSyncSuffix TestSyncSuffixKeepExtension TestTransformFile TestManualTransformFile TestBase64]