"./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 5/5) 2026/05/19 04:51:26 DEBUG : Creating backend with remote "TestDrime:rclone-test-jewejib2devu" 2026/05/19 04:51:26 DEBUG : Using config file from "/home/rclone/.rclone.conf" 2026/05/19 04:51:27 DEBUG : Creating backend with remote "/tmp/rclone84547602" === RUN TestServerSideMove run.go:198: Remote "drime root 'rclone-test-jewejib2devu'", Local "Local file system at /tmp/rclone84547602", Modify Window "876000h0m0s" 2026/05/19 04:51:27 DEBUG : Creating backend with remote "TestDrime:rclone-test-yokoyom9voho" sync_test.go:1736: Server side move (if possible) drime root 'rclone-test-jewejib2devu' -> drime root 'rclone-test-yokoyom9voho' 2026/05/19 04:51:36 DEBUG : drime root 'rclone-test-yokoyom9voho': Using server-side directory move 2026/05/19 04:51:36 INFO : drime root 'rclone-test-yokoyom9voho': Server side directory move failed - fallback to file moves: can't copy directory - destination already exists 2026/05/19 04:51:36 DEBUG : potato2: Need to transfer - File not found at Destination 2026/05/19 04:51:36 DEBUG : empty space: size = 1 OK 2026/05/19 04:51:36 DEBUG : empty space: Sizes identical 2026/05/19 04:51:36 DEBUG : empty space: Unchanged skipping 2026/05/19 04:51:36 DEBUG : potato3: size = 68 (drime root 'rclone-test-jewejib2devu') 2026/05/19 04:51:36 DEBUG : potato3: size = 60 (drime root 'rclone-test-yokoyom9voho') 2026/05/19 04:51:36 DEBUG : potato3: Sizes differ 2026/05/19 04:51:36 DEBUG : drime root 'rclone-test-yokoyom9voho': Waiting for checks to finish 2026/05/19 04:51:36 INFO : empty space: Deleted 2026/05/19 04:51:36 DEBUG : drime root 'rclone-test-yokoyom9voho': Waiting for transfers to finish 2026/05/19 04:51:36 INFO : potato3: Deleted 2026/05/19 04:51:41 INFO : potato2: Moved (server-side) 2026/05/19 04:51:41 INFO : potato3: Moved (server-side) 2026/05/19 04:51:42 DEBUG : Creating backend with remote "TestDrime:rclone-test-xikozex6zejo" 2026/05/19 04:51:43 DEBUG : drime root 'rclone-test-xikozex6zejo': Using server-side directory move 2026/05/19 04:51:44 ERROR : drime root 'rclone-test-xikozex6zejo': Server side directory move failed: Move rename leaf: failed to patch item "name" to rclone-test-xikozex6zejo: 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\":\"9fe07cf7d9217e5e\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07cf7d9217e5e\",\"timestamp\":\"2026-05-19T04:51:44Z\",\"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-xikozex6zejo: 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\":\"9fe07cf7d9217e5e\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07cf7d9217e5e\",\"timestamp\":\"2026-05-19T04:51:44Z\",\"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 2026/05/19 04:51:44 DEBUG : drime root 'rclone-test-xikozex6zejo': Purge remote 2026/05/19 04:51:44 NOTICE: purge failed: directory not found 2026/05/19 04:51:44 DEBUG : drime root 'rclone-test-yokoyom9voho': Purge remote --- FAIL: TestServerSideMove (18.26s) === RUN TestServerSideMoveDeleteEmptySourceDirs run.go:198: Remote "drime root 'rclone-test-jewejib2devu'", Local "Local file system at /tmp/rclone84547602", Modify Window "876000h0m0s" 2026/05/19 04:51:45 DEBUG : Creating backend with remote "TestDrime:rclone-test-mudelof4mebo" 2026/05/19 04:51:49 INFO : tomatoDir: Making directory sync_test.go:1736: Server side move (if possible) drime root 'rclone-test-jewejib2devu' -> drime root 'rclone-test-mudelof4mebo' 2026/05/19 04:51:54 DEBUG : drime root 'rclone-test-mudelof4mebo': Using server-side directory move 2026/05/19 04:51:54 INFO : drime root 'rclone-test-mudelof4mebo': Server side directory move failed - fallback to file moves: can't copy directory - destination already exists 2026/05/19 04:51:54 DEBUG : potato2: Need to transfer - File not found at Destination 2026/05/19 04:51:54 DEBUG : empty space: size = 1 OK 2026/05/19 04:51:54 DEBUG : empty space: Sizes identical 2026/05/19 04:51:54 DEBUG : empty space: Unchanged skipping 2026/05/19 04:51:54 DEBUG : potato3: size = 68 (drime root 'rclone-test-jewejib2devu') 2026/05/19 04:51:54 DEBUG : potato3: size = 60 (drime root 'rclone-test-mudelof4mebo') 2026/05/19 04:51:54 DEBUG : potato3: Sizes differ 2026/05/19 04:51:55 DEBUG : drime root 'rclone-test-mudelof4mebo': Waiting for checks to finish 2026/05/19 04:51:55 INFO : potato3: Deleted 2026/05/19 04:51:55 INFO : empty space: Deleted 2026/05/19 04:51:55 DEBUG : drime root 'rclone-test-mudelof4mebo': Waiting for transfers to finish 2026/05/19 04:51:59 INFO : potato2: Moved (server-side) 2026/05/19 04:51:59 INFO : potato3: Moved (server-side) 2026/05/19 04:51:59 INFO : tomatoDir: Removing directory 2026/05/19 04:52:00 DEBUG : drime root 'rclone-test-jewejib2devu': deleted 1 directories 2026/05/19 04:52:01 DEBUG : Creating backend with remote "TestDrime:rclone-test-duvubeb0qugo" 2026/05/19 04:52:02 INFO : tomatoDir: Making directory 2026/05/19 04:52:03 DEBUG : drime root 'rclone-test-duvubeb0qugo': Using server-side directory move 2026/05/19 04:52:04 ERROR : drime root 'rclone-test-duvubeb0qugo': Server side directory move failed: Move rename leaf: failed to patch item "name" to rclone-test-duvubeb0qugo: 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\":\"9fe07d752838da3e\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07d752838da3e\",\"timestamp\":\"2026-05-19T04:52:04Z\",\"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-duvubeb0qugo: 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\":\"9fe07d752838da3e\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07d752838da3e\",\"timestamp\":\"2026-05-19T04:52:04Z\",\"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 2026/05/19 04:52:04 DEBUG : drime root 'rclone-test-duvubeb0qugo': Purge remote 2026/05/19 04:52:04 NOTICE: purge failed: directory not found 2026/05/19 04:52:04 DEBUG : drime root 'rclone-test-mudelof4mebo': Purge remote --- FAIL: TestServerSideMoveDeleteEmptySourceDirs (20.61s) === RUN TestSyncBackupDirWithSuffix run.go:198: Remote "drime root 'rclone-test-jewejib2devu'", Local "Local file system at /tmp/rclone84547602", Modify Window "876000h0m0s" 2026/05/19 04:52:11 DEBUG : Creating backend with remote "TestDrime:rclone-test-jewejib2devu/dst" 2026/05/19 04:52:12 DEBUG : Creating backend with remote "TestDrime:rclone-test-jewejib2devu/backup" 2026/05/19 04:52:14 DEBUG : one: size = 4 (Local file system at /tmp/rclone84547602) 2026/05/19 04:52:14 DEBUG : one: size = 3 (drime root 'rclone-test-jewejib2devu/dst') 2026/05/19 04:52:14 DEBUG : one: Sizes differ 2026/05/19 04:52:14 DEBUG : two: size = 3 OK 2026/05/19 04:52:14 DEBUG : two: Sizes identical 2026/05/19 04:52:14 DEBUG : two: Unchanged skipping 2026/05/19 04:52:14 DEBUG : drime root 'rclone-test-jewejib2devu/dst': Waiting for checks to finish 2026/05/19 04:52:15 ERROR : one: Couldn't move: Move rename leaf: failed to patch item "name" to one.bak.liwefib6: 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\":\"9fe07dbecb10d177\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07dbecb10d177\",\"timestamp\":\"2026-05-19T04:52:15Z\",\"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.\"}" 2026/05/19 04:52:15 DEBUG : drime root 'rclone-test-jewejib2devu/dst': Waiting for transfers to finish 2026/05/19 04:52:15 ERROR : drime root 'rclone-test-jewejib2devu/dst': not deleting files as there were IO errors 2026/05/19 04:52:15 ERROR : drime root 'rclone-test-jewejib2devu/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.liwefib6: 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\":\"9fe07dbecb10d177\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07dbecb10d177\",\"timestamp\":\"2026-05-19T04:52:15Z\",\"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 (13.67s) === RUN TestSyncBackupDirWithSuffixKeepExtension run.go:198: Remote "drime root 'rclone-test-jewejib2devu'", Local "Local file system at /tmp/rclone84547602", Modify Window "876000h0m0s" 2026/05/19 04:52:24 DEBUG : Creating backend with remote "TestDrime:rclone-test-jewejib2devu/dst" 2026/05/19 04:52:25 DEBUG : Creating backend with remote "TestDrime:rclone-test-jewejib2devu/backup" 2026/05/19 04:52:27 DEBUG : one: size = 4 (Local file system at /tmp/rclone84547602) 2026/05/19 04:52:27 DEBUG : one: size = 3 (drime root 'rclone-test-jewejib2devu/dst') 2026/05/19 04:52:27 DEBUG : one: Sizes differ 2026/05/19 04:52:27 DEBUG : two: size = 3 OK 2026/05/19 04:52:27 DEBUG : two: Sizes identical 2026/05/19 04:52:27 DEBUG : two: Unchanged skipping 2026/05/19 04:52:27 DEBUG : drime root 'rclone-test-jewejib2devu/dst': Waiting for checks to finish 2026/05/19 04:52:29 ERROR : one: Couldn't move: Move rename leaf: failed to patch item "name" to one-2019-01-01.cozurak4: 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\":\"9fe07e13bf0edfc8\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07e13bf0edfc8\",\"timestamp\":\"2026-05-19T04:52:29Z\",\"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.\"}" 2026/05/19 04:52:29 DEBUG : drime root 'rclone-test-jewejib2devu/dst': Waiting for transfers to finish 2026/05/19 04:52:29 ERROR : drime root 'rclone-test-jewejib2devu/dst': not deleting files as there were IO errors 2026/05/19 04:52:29 ERROR : drime root 'rclone-test-jewejib2devu/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.cozurak4: 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\":\"9fe07e13bf0edfc8\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07e13bf0edfc8\",\"timestamp\":\"2026-05-19T04:52:29Z\",\"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 (13.36s) === RUN TestSyncBackupDirSuffixOnly run.go:198: Remote "drime root 'rclone-test-jewejib2devu'", Local "Local file system at /tmp/rclone84547602", Modify Window "876000h0m0s" 2026/05/19 04:52:38 DEBUG : Creating backend with remote "TestDrime:rclone-test-jewejib2devu/dst" 2026/05/19 04:52:39 DEBUG : drime root 'rclone-test-jewejib2devu/dst': Waiting for checks to finish 2026/05/19 04:52:39 DEBUG : one: size = 4 (Local file system at /tmp/rclone84547602) 2026/05/19 04:52:39 DEBUG : two: size = 3 OK 2026/05/19 04:52:39 DEBUG : two: Sizes identical 2026/05/19 04:52:39 DEBUG : one: size = 3 (drime root 'rclone-test-jewejib2devu/dst') 2026/05/19 04:52:39 DEBUG : two: Unchanged skipping 2026/05/19 04:52:39 DEBUG : one: Sizes differ 2026/05/19 04:52:39 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\":\"9fe07e5529c58d5d\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07e5529c58d5d\",\"timestamp\":\"2026-05-19T04:52:39Z\",\"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.\"}" 2026/05/19 04:52:39 DEBUG : drime root 'rclone-test-jewejib2devu/dst': Waiting for transfers to finish 2026/05/19 04:52:39 ERROR : drime root 'rclone-test-jewejib2devu/dst': not deleting files as there were IO errors 2026/05/19 04:52:39 ERROR : drime root 'rclone-test-jewejib2devu/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\":\"9fe07e5529c58d5d\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07e5529c58d5d\",\"timestamp\":\"2026-05-19T04:52:39Z\",\"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 (9.65s) === RUN TestSyncSuffix run.go:198: Remote "drime root 'rclone-test-jewejib2devu'", Local "Local file system at /tmp/rclone84547602", Modify Window "876000h0m0s" 2026/05/19 04:52:48 DEBUG : Creating backend with remote "TestDrime:rclone-test-jewejib2devu/dst" 2026/05/19 04:52:49 DEBUG : one: size = 4 (Local file system at /tmp/rclone84547602) 2026/05/19 04:52:49 DEBUG : one: size = 3 (drime root 'rclone-test-jewejib2devu/dst') 2026/05/19 04:52:49 DEBUG : one: Sizes differ 2026/05/19 04:52:50 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\":\"9fe07e948d868d5f\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07e948d868d5f\",\"timestamp\":\"2026-05-19T04:52:50Z\",\"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\":\"9fe07e948d868d5f\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07e948d868d5f\",\"timestamp\":\"2026-05-19T04:52:50Z\",\"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 (10.96s) === RUN TestSyncSuffixKeepExtension run.go:198: Remote "drime root 'rclone-test-jewejib2devu'", Local "Local file system at /tmp/rclone84547602", Modify Window "876000h0m0s" 2026/05/19 04:52:58 DEBUG : Creating backend with remote "TestDrime:rclone-test-jewejib2devu/dst" 2026/05/19 04:53:00 DEBUG : one: size = 4 (Local file system at /tmp/rclone84547602) 2026/05/19 04:53:00 DEBUG : one: size = 3 (drime root 'rclone-test-jewejib2devu/dst') 2026/05/19 04:53:00 DEBUG : one: Sizes differ 2026/05/19 04:53:01 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\":\"9fe07ed91e65b8cb\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07ed91e65b8cb\",\"timestamp\":\"2026-05-19T04:53:01Z\",\"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\":\"9fe07ed91e65b8cb\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fe07ed91e65b8cb\",\"timestamp\":\"2026-05-19T04:53:01Z\",\"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 (10.69s) === RUN TestTransformFile run.go:198: Remote "drime root 'rclone-test-jewejib2devu'", Local "Local file system at /tmp/rclone84547602", Modify Window "876000h0m0s" 2026/05/19 04:53:04 DEBUG : empty_dir: Making directory with metadata 2026/05/19 04:53:04 INFO : empty_dir: Made directory with metadata (mtime=2001-02-03T04:05:06.499999999Z) 2026/05/19 04:53:04 DEBUG : toe: transformed to: tictactoe 2026/05/19 04:53:04 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/19 04:53:04 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/19 04:53:04 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/19 04:53:04 INFO : tictacempty_dir: Making directory 2026/05/19 04:53:05 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/19 04:53:05 DEBUG : toe: transformed to: tictactoe 2026/05/19 04:53:05 DEBUG : toe: transformed to: tictactoe 2026/05/19 04:53:05 INFO : tictactoe: Making directory 2026/05/19 04:53:06 DEBUG : toe: transformed to: tictactoe 2026/05/19 04:53:06 DEBUG : toe: transformed to: tictactoe 2026/05/19 04:53:06 DEBUG : toe/toe: transformed to: tictactoe/tictactoe 2026/05/19 04:53:06 INFO : tictactoe/tictactoe: Making directory 2026/05/19 04:53:07 DEBUG : toe/toe: transformed to: tictactoe/tictactoe 2026/05/19 04:53:07 DEBUG : toe.txt: transformed to: tictactoe.txt 2026/05/19 04:53:07 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/19 04:53:07 DEBUG : toe/toe/toe.txt: Need to transfer - File not found at Destination 2026/05/19 04:53:07 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/19 04:53:07 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/19 04:53:07 DEBUG : drime root 'rclone-test-jewejib2devu': Waiting for checks to finish 2026/05/19 04:53:07 DEBUG : drime root 'rclone-test-jewejib2devu': Waiting for transfers to finish 2026/05/19 04:53:08 DEBUG : tictactoe/tictactoe/tictactoe.txt: size = 11 OK 2026/05/19 04:53:08 INFO : toe/toe/toe.txt: Copied (new) to: tictactoe/tictactoe/tictactoe.txt 2026/05/19 04:53:08 INFO : toe/toe/toe.txt: Deleted 2026/05/19 04:53:08 ERROR : Local file system at /tmp/rclone84547602: 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 run.go:186: removing dir "tictactoe/tictactoe" failed - try 1/5: sleeping 1s: directory not empty --- FAIL: TestTransformFile (10.57s) === RUN TestManualTransformFile run.go:198: Remote "drime root 'rclone-test-jewejib2devu'", Local "Local file system at /tmp/rclone84547602", Modify Window "876000h0m0s" 2026/05/19 04:53:14 DEBUG : Reset feature "Copy" 2026/05/19 04:53:14 DEBUG : Reset feature "Move" 2026/05/19 04:53:14 DEBUG : Reset feature "Copy" 2026/05/19 04:53:14 DEBUG : Reset feature "Move" 2026/05/19 04:53:14 DEBUG : empty_dir: Making directory with metadata 2026/05/19 04:53:14 INFO : empty_dir: Made directory with metadata (mtime=2001-02-03T04:05:06.499999999Z) 2026/05/19 04:53:14 DEBUG : toe: transformed to: tictactoe 2026/05/19 04:53:14 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/19 04:53:14 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/19 04:53:15 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/19 04:53:15 INFO : tictacempty_dir: Making directory 2026/05/19 04:53:16 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/19 04:53:16 DEBUG : toe: transformed to: tictactoe 2026/05/19 04:53:16 DEBUG : toe: transformed to: tictactoe 2026/05/19 04:53:16 INFO : tictactoe: Making directory 2026/05/19 04:53:17 DEBUG : toe: transformed to: tictactoe 2026/05/19 04:53:17 DEBUG : toe: transformed to: tictactoe 2026/05/19 04:53:17 DEBUG : toe/toe: transformed to: tictactoe/tictactoe 2026/05/19 04:53:17 INFO : tictactoe/tictactoe: Making directory 2026/05/19 04:53:18 DEBUG : toe/toe: transformed to: tictactoe/tictactoe 2026/05/19 04:53:18 DEBUG : toe.txt: transformed to: tictactoe.txt 2026/05/19 04:53:18 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/19 04:53:18 DEBUG : toe/toe/toe.txt: Need to transfer - File not found at Destination 2026/05/19 04:53:18 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/19 04:53:18 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/19 04:53:18 DEBUG : drime root 'rclone-test-jewejib2devu': Waiting for checks to finish 2026/05/19 04:53:18 DEBUG : drime root 'rclone-test-jewejib2devu': Waiting for transfers to finish 2026/05/19 04:53:19 DEBUG : tictactoe/tictactoe/tictactoe.txt: size = 11 OK 2026/05/19 04:53:19 INFO : toe/toe/toe.txt: Copied (new) to: tictactoe/tictactoe/tictactoe.txt 2026/05/19 04:53:19 INFO : toe/toe/toe.txt: Deleted 2026/05/19 04:53:19 ERROR : Local file system at /tmp/rclone84547602: 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 (10.38s) === RUN TestBase64 run.go:198: Remote "drime root 'rclone-test-jewejib2devu'", Local "Local file system at /tmp/rclone84547602", Modify Window "876000h0m0s" 2026/05/19 04:53:25 DEBUG : toe: transformed to: dG9l 2026/05/19 04:53:25 DEBUG : toe: transformed to: dG9l 2026/05/19 04:53:25 INFO : dG9l: Making directory 2026/05/19 04:53:26 DEBUG : toe: transformed to: dG9l 2026/05/19 04:53:26 DEBUG : toe: transformed to: dG9l 2026/05/19 04:53:26 DEBUG : toe/toe: transformed to: dG9l/dG9l 2026/05/19 04:53:26 INFO : dG9l/dG9l: Making directory 2026/05/19 04:53:27 DEBUG : toe/toe: transformed to: dG9l/dG9l 2026/05/19 04:53:27 DEBUG : toe.txt: transformed to: dG9lLnR4dA== 2026/05/19 04:53:27 DEBUG : toe/toe/toe.txt: transformed to: dG9l/dG9l/dG9lLnR4dA== 2026/05/19 04:53:27 DEBUG : toe/toe/toe.txt: Need to transfer - File not found at Destination 2026/05/19 04:53:27 DEBUG : toe/toe/toe.txt: transformed to: dG9l/dG9l/dG9lLnR4dA== 2026/05/19 04:53:27 DEBUG : drime root 'rclone-test-jewejib2devu': Waiting for checks to finish 2026/05/19 04:53:27 DEBUG : drime root 'rclone-test-jewejib2devu': Waiting for transfers to finish 2026/05/19 04:53:28 DEBUG : dG9l/dG9l/dG9lLnR4dA==: size = 11 OK 2026/05/19 04:53:28 INFO : toe/toe/toe.txt: Copied (new) to: dG9l/dG9l/dG9lLnR4dA== 2026/05/19 04:53:28 ERROR : drime root 'rclone-test-jewejib2devu': not deleting files as there were IO errors 2026/05/19 04:53:28 ERROR : drime root 'rclone-test-jewejib2devu': 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 run.go:186: removing dir "dG9l/dG9l" failed - try 1/5: sleeping 1s: directory not empty --- FAIL: TestBase64 (8.92s) FAIL 2026/05/19 04:53:34 DEBUG : drime root 'rclone-test-jewejib2devu': 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 2m8.355258129s (try 5/5): exit status 1: Failed [TestServerSideMove TestServerSideMoveDeleteEmptySourceDirs TestSyncBackupDirWithSuffix TestSyncBackupDirWithSuffixKeepExtension TestSyncBackupDirSuffixOnly TestSyncSuffix TestSyncSuffixKeepExtension TestTransformFile TestManualTransformFile TestBase64]