"./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 4/5) 2026/05/18 07:38:12 DEBUG : Creating backend with remote "TestDrime:rclone-test-dutowez4teco" 2026/05/18 07:38:12 DEBUG : Using config file from "/home/rclone/.rclone.conf" 2026/05/18 07:38:17 DEBUG : Creating backend with remote "/tmp/rclone1179024988" === RUN TestServerSideMove run.go:198: Remote "drime root 'rclone-test-dutowez4teco'", Local "Local file system at /tmp/rclone1179024988", Modify Window "876000h0m0s" 2026/05/18 07:38:17 DEBUG : Creating backend with remote "TestDrime:rclone-test-befasay4gahe" sync_test.go:1736: Server side move (if possible) drime root 'rclone-test-dutowez4teco' -> drime root 'rclone-test-befasay4gahe' 2026/05/18 07:39:07 DEBUG : drime root 'rclone-test-befasay4gahe': Using server-side directory move 2026/05/18 07:39:07 INFO : drime root 'rclone-test-befasay4gahe': Server side directory move failed - fallback to file moves: can't copy directory - destination already exists 2026/05/18 07:39:09 DEBUG : potato2: Need to transfer - File not found at Destination 2026/05/18 07:39:09 DEBUG : empty space: size = 1 OK 2026/05/18 07:39:09 DEBUG : empty space: Sizes identical 2026/05/18 07:39:09 DEBUG : empty space: Unchanged skipping 2026/05/18 07:39:09 DEBUG : potato3: size = 68 (drime root 'rclone-test-dutowez4teco') 2026/05/18 07:39:09 DEBUG : potato3: size = 60 (drime root 'rclone-test-befasay4gahe') 2026/05/18 07:39:09 DEBUG : potato3: Sizes differ 2026/05/18 07:39:09 DEBUG : drime root 'rclone-test-befasay4gahe': Waiting for checks to finish 2026/05/18 07:39:12 INFO : empty space: Deleted 2026/05/18 07:39:12 DEBUG : drime root 'rclone-test-befasay4gahe': Waiting for transfers to finish 2026/05/18 07:39:12 INFO : potato3: Deleted 2026/05/18 07:39:16 INFO : potato2: Moved (server-side) 2026/05/18 07:39:18 INFO : potato3: Moved (server-side) 2026/05/18 07:39:23 DEBUG : Creating backend with remote "TestDrime:rclone-test-bebaher4gowe" 2026/05/18 07:39:29 DEBUG : drime root 'rclone-test-bebaher4gowe': Using server-side directory move 2026/05/18 07:39:31 ERROR : drime root 'rclone-test-bebaher4gowe': Server side directory move failed: Move rename leaf: failed to patch item "name" to rclone-test-bebaher4gowe: 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\":\"9fd9356339c470dd\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd9356339c470dd\",\"timestamp\":\"2026-05-18T07:39:31Z\",\"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-bebaher4gowe: 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\":\"9fd9356339c470dd\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd9356339c470dd\",\"timestamp\":\"2026-05-18T07:39:31Z\",\"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 2026/05/18 07:39:31 DEBUG : drime root 'rclone-test-bebaher4gowe': Purge remote 2026/05/18 07:39:34 NOTICE: purge failed: directory not found 2026/05/18 07:39:34 DEBUG : drime root 'rclone-test-befasay4gahe': Purge remote --- FAIL: TestServerSideMove (84.61s) === RUN TestServerSideMoveDeleteEmptySourceDirs run.go:198: Remote "drime root 'rclone-test-dutowez4teco'", Local "Local file system at /tmp/rclone1179024988", Modify Window "876000h0m0s" 2026/05/18 07:39:42 DEBUG : Creating backend with remote "TestDrime:rclone-test-yukesud2juco" 2026/05/18 07:40:03 INFO : tomatoDir: Making directory sync_test.go:1736: Server side move (if possible) drime root 'rclone-test-dutowez4teco' -> drime root 'rclone-test-yukesud2juco' 2026/05/18 07:40:32 DEBUG : drime root 'rclone-test-yukesud2juco': Using server-side directory move 2026/05/18 07:40:32 INFO : drime root 'rclone-test-yukesud2juco': Server side directory move failed - fallback to file moves: can't copy directory - destination already exists 2026/05/18 07:40:34 DEBUG : potato2: Need to transfer - File not found at Destination 2026/05/18 07:40:34 DEBUG : empty space: size = 1 OK 2026/05/18 07:40:34 DEBUG : empty space: Sizes identical 2026/05/18 07:40:34 DEBUG : empty space: Unchanged skipping 2026/05/18 07:40:34 DEBUG : potato3: size = 68 (drime root 'rclone-test-dutowez4teco') 2026/05/18 07:40:34 DEBUG : potato3: size = 60 (drime root 'rclone-test-yukesud2juco') 2026/05/18 07:40:34 DEBUG : potato3: Sizes differ 2026/05/18 07:40:37 INFO : empty space: Deleted 2026/05/18 07:40:37 INFO : potato3: Deleted 2026/05/18 07:40:37 DEBUG : drime root 'rclone-test-yukesud2juco': Waiting for checks to finish 2026/05/18 07:40:37 DEBUG : drime root 'rclone-test-yukesud2juco': Waiting for transfers to finish 2026/05/18 07:40:40 INFO : potato2: Moved (server-side) 2026/05/18 07:40:43 INFO : potato3: Moved (server-side) 2026/05/18 07:40:43 INFO : tomatoDir: Removing directory 2026/05/18 07:40:47 DEBUG : drime root 'rclone-test-dutowez4teco': deleted 1 directories 2026/05/18 07:40:55 DEBUG : Creating backend with remote "TestDrime:rclone-test-gimotaq8buja" 2026/05/18 07:41:00 INFO : tomatoDir: Making directory 2026/05/18 07:41:05 DEBUG : drime root 'rclone-test-gimotaq8buja': Using server-side directory move 2026/05/18 07:41:07 ERROR : drime root 'rclone-test-gimotaq8buja': Server side directory move failed: Move rename leaf: failed to patch item "name" to rclone-test-gimotaq8buja: 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\":\"9fd937b85c9e5d33\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd937b85c9e5d33\",\"timestamp\":\"2026-05-18T07:41:07Z\",\"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-gimotaq8buja: 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\":\"9fd937b85c9e5d33\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd937b85c9e5d33\",\"timestamp\":\"2026-05-18T07:41:07Z\",\"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 2026/05/18 07:41:07 DEBUG : drime root 'rclone-test-gimotaq8buja': Purge remote 2026/05/18 07:41:09 NOTICE: purge failed: directory not found 2026/05/18 07:41:09 DEBUG : drime root 'rclone-test-yukesud2juco': Purge remote --- FAIL: TestServerSideMoveDeleteEmptySourceDirs (94.51s) === RUN TestSyncBackupDirWithSuffix run.go:198: Remote "drime root 'rclone-test-dutowez4teco'", Local "Local file system at /tmp/rclone1179024988", Modify Window "876000h0m0s" 2026/05/18 07:41:40 DEBUG : Creating backend with remote "TestDrime:rclone-test-dutowez4teco/dst" 2026/05/18 07:41:45 DEBUG : Creating backend with remote "TestDrime:rclone-test-dutowez4teco/backup" 2026/05/18 07:41:57 DEBUG : two: size = 3 OK 2026/05/18 07:41:57 DEBUG : two: Sizes identical 2026/05/18 07:41:57 DEBUG : two: Unchanged skipping 2026/05/18 07:41:57 DEBUG : drime root 'rclone-test-dutowez4teco/dst': Waiting for checks to finish 2026/05/18 07:41:57 DEBUG : one: size = 4 (Local file system at /tmp/rclone1179024988) 2026/05/18 07:41:57 DEBUG : one: size = 3 (drime root 'rclone-test-dutowez4teco/dst') 2026/05/18 07:41:57 DEBUG : one: Sizes differ 2026/05/18 07:42:05 ERROR : one: Couldn't move: Move rename leaf: failed to patch item "name" to one.bak.buqixop7: 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\":\"9fd939267b6b41f0\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd939267b6b41f0\",\"timestamp\":\"2026-05-18T07:42:05Z\",\"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.\"}" 2026/05/18 07:42:05 DEBUG : drime root 'rclone-test-dutowez4teco/dst': Waiting for transfers to finish 2026/05/18 07:42:05 ERROR : drime root 'rclone-test-dutowez4teco/dst': not deleting files as there were IO errors 2026/05/18 07:42:05 ERROR : drime root 'rclone-test-dutowez4teco/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.buqixop7: 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\":\"9fd939267b6b41f0\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd939267b6b41f0\",\"timestamp\":\"2026-05-18T07:42:05Z\",\"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 (74.67s) === RUN TestSyncBackupDirWithSuffixKeepExtension run.go:198: Remote "drime root 'rclone-test-dutowez4teco'", Local "Local file system at /tmp/rclone1179024988", Modify Window "876000h0m0s" 2026/05/18 07:42:56 DEBUG : Creating backend with remote "TestDrime:rclone-test-dutowez4teco/dst" 2026/05/18 07:43:01 DEBUG : Creating backend with remote "TestDrime:rclone-test-dutowez4teco/backup" 2026/05/18 07:43:12 DEBUG : one: size = 4 (Local file system at /tmp/rclone1179024988) 2026/05/18 07:43:12 DEBUG : one: size = 3 (drime root 'rclone-test-dutowez4teco/dst') 2026/05/18 07:43:12 DEBUG : one: Sizes differ 2026/05/18 07:43:12 DEBUG : two: size = 3 OK 2026/05/18 07:43:12 DEBUG : two: Sizes identical 2026/05/18 07:43:12 DEBUG : two: Unchanged skipping 2026/05/18 07:43:12 DEBUG : drime root 'rclone-test-dutowez4teco/dst': Waiting for checks to finish 2026/05/18 07:43:19 ERROR : one: Couldn't move: Move rename leaf: failed to patch item "name" to one-2019-01-01.lipifuk7: 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\":\"9fd93af55ea78d8d\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd93af55ea78d8d\",\"timestamp\":\"2026-05-18T07:43:19Z\",\"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.\"}" 2026/05/18 07:43:19 DEBUG : drime root 'rclone-test-dutowez4teco/dst': Waiting for transfers to finish 2026/05/18 07:43:19 ERROR : drime root 'rclone-test-dutowez4teco/dst': not deleting files as there were IO errors 2026/05/18 07:43:19 ERROR : drime root 'rclone-test-dutowez4teco/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.lipifuk7: 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\":\"9fd93af55ea78d8d\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd93af55ea78d8d\",\"timestamp\":\"2026-05-18T07:43:19Z\",\"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 (71.81s) === RUN TestSyncBackupDirSuffixOnly run.go:198: Remote "drime root 'rclone-test-dutowez4teco'", Local "Local file system at /tmp/rclone1179024988", Modify Window "876000h0m0s" 2026/05/18 07:44:07 DEBUG : Creating backend with remote "TestDrime:rclone-test-dutowez4teco/dst" 2026/05/18 07:44:14 DEBUG : one: size = 4 (Local file system at /tmp/rclone1179024988) 2026/05/18 07:44:14 DEBUG : one: size = 3 (drime root 'rclone-test-dutowez4teco/dst') 2026/05/18 07:44:14 DEBUG : one: Sizes differ 2026/05/18 07:44:14 DEBUG : two: size = 3 OK 2026/05/18 07:44:14 DEBUG : two: Sizes identical 2026/05/18 07:44:14 DEBUG : two: Unchanged skipping 2026/05/18 07:44:14 DEBUG : drime root 'rclone-test-dutowez4teco/dst': Waiting for checks to finish 2026/05/18 07:44:16 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\":\"9fd93c56a812a1a0\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd93c56a812a1a0\",\"timestamp\":\"2026-05-18T07:44:16Z\",\"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.\"}" 2026/05/18 07:44:16 DEBUG : drime root 'rclone-test-dutowez4teco/dst': Waiting for transfers to finish 2026/05/18 07:44:16 ERROR : drime root 'rclone-test-dutowez4teco/dst': not deleting files as there were IO errors 2026/05/18 07:44:16 ERROR : drime root 'rclone-test-dutowez4teco/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\":\"9fd93c56a812a1a0\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd93c56a812a1a0\",\"timestamp\":\"2026-05-18T07:44:16Z\",\"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 (51.51s) === RUN TestSyncSuffix run.go:198: Remote "drime root 'rclone-test-dutowez4teco'", Local "Local file system at /tmp/rclone1179024988", Modify Window "876000h0m0s" 2026/05/18 07:45:00 DEBUG : Creating backend with remote "TestDrime:rclone-test-dutowez4teco/dst" 2026/05/18 07:45:07 DEBUG : one: size = 4 (Local file system at /tmp/rclone1179024988) 2026/05/18 07:45:07 DEBUG : one: size = 3 (drime root 'rclone-test-dutowez4teco/dst') 2026/05/18 07:45:07 DEBUG : one: Sizes differ 2026/05/18 07:45:10 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\":\"9fd93da70984e9e8\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd93da70984e9e8\",\"timestamp\":\"2026-05-18T07:45:10Z\",\"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: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\":\"9fd93da70984e9e8\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd93da70984e9e8\",\"timestamp\":\"2026-05-18T07:45:10Z\",\"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: TestSyncSuffix --- FAIL: TestSyncSuffix (55.64s) === RUN TestSyncSuffixKeepExtension run.go:198: Remote "drime root 'rclone-test-dutowez4teco'", Local "Local file system at /tmp/rclone1179024988", Modify Window "876000h0m0s" 2026/05/18 07:45:54 DEBUG : Creating backend with remote "TestDrime:rclone-test-dutowez4teco/dst" 2026/05/18 07:46:02 DEBUG : one: size = 4 (Local file system at /tmp/rclone1179024988) 2026/05/18 07:46:02 DEBUG : one: size = 3 (drime root 'rclone-test-dutowez4teco/dst') 2026/05/18 07:46:02 DEBUG : one: Sizes differ 2026/05/18 07:46:04 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\":\"9fd93ef88a668d64\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd93ef88a668d64\",\"timestamp\":\"2026-05-18T07:46:04Z\",\"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: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\":\"9fd93ef88a668d64\",\"error_code\":520,\"error_name\":\"unknown_origin_error\",\"error_category\":\"origin\",\"ray_id\":\"9fd93ef88a668d64\",\"timestamp\":\"2026-05-18T07:46:04Z\",\"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: TestSyncSuffixKeepExtension --- FAIL: TestSyncSuffixKeepExtension (51.96s) === RUN TestTransformFile run.go:198: Remote "drime root 'rclone-test-dutowez4teco'", Local "Local file system at /tmp/rclone1179024988", Modify Window "876000h0m0s" 2026/05/18 07:46:22 DEBUG : empty_dir: Making directory with metadata 2026/05/18 07:46:22 INFO : empty_dir: Made directory with metadata (mtime=2001-02-03T04:05:06.499999999Z) 2026/05/18 07:46:22 DEBUG : toe: transformed to: tictactoe 2026/05/18 07:46:22 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/18 07:46:22 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/18 07:46:24 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/18 07:46:24 INFO : tictacempty_dir: Making directory 2026/05/18 07:46:29 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/18 07:46:29 DEBUG : toe: transformed to: tictactoe 2026/05/18 07:46:29 DEBUG : toe: transformed to: tictactoe 2026/05/18 07:46:29 INFO : tictactoe: Making directory 2026/05/18 07:46:34 DEBUG : toe: transformed to: tictactoe 2026/05/18 07:46:34 DEBUG : toe: transformed to: tictactoe 2026/05/18 07:46:34 DEBUG : toe/toe: transformed to: tictactoe/tictactoe 2026/05/18 07:46:34 INFO : tictactoe/tictactoe: Making directory 2026/05/18 07:46:38 DEBUG : toe/toe: transformed to: tictactoe/tictactoe 2026/05/18 07:46:38 DEBUG : toe.txt: transformed to: tictactoe.txt 2026/05/18 07:46:38 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/18 07:46:38 DEBUG : toe/toe/toe.txt: Need to transfer - File not found at Destination 2026/05/18 07:46:38 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/18 07:46:38 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/18 07:46:38 DEBUG : drime root 'rclone-test-dutowez4teco': Waiting for checks to finish 2026/05/18 07:46:38 DEBUG : drime root 'rclone-test-dutowez4teco': Waiting for transfers to finish 2026/05/18 07:46:43 DEBUG : tictactoe/tictactoe/tictactoe.txt: size = 11 OK 2026/05/18 07:46:43 INFO : toe/toe/toe.txt: Copied (new) to: tictactoe/tictactoe/tictactoe.txt 2026/05/18 07:46:43 INFO : toe/toe/toe.txt: Deleted 2026/05/18 07:46:43 ERROR : Local file system at /tmp/rclone1179024988: 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 (46.38s) === RUN TestManualTransformFile run.go:198: Remote "drime root 'rclone-test-dutowez4teco'", Local "Local file system at /tmp/rclone1179024988", Modify Window "876000h0m0s" 2026/05/18 07:47:08 DEBUG : Reset feature "Copy" 2026/05/18 07:47:08 DEBUG : Reset feature "Move" 2026/05/18 07:47:08 DEBUG : Reset feature "Copy" 2026/05/18 07:47:08 DEBUG : Reset feature "Move" 2026/05/18 07:47:08 DEBUG : empty_dir: Making directory with metadata 2026/05/18 07:47:08 INFO : empty_dir: Made directory with metadata (mtime=2001-02-03T04:05:06.499999999Z) 2026/05/18 07:47:08 DEBUG : toe: transformed to: tictactoe 2026/05/18 07:47:08 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/18 07:47:08 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/18 07:47:10 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/18 07:47:10 INFO : tictacempty_dir: Making directory 2026/05/18 07:47:15 DEBUG : empty_dir: transformed to: tictacempty_dir 2026/05/18 07:47:15 DEBUG : toe: transformed to: tictactoe 2026/05/18 07:47:15 DEBUG : toe: transformed to: tictactoe 2026/05/18 07:47:15 INFO : tictactoe: Making directory 2026/05/18 07:47:19 DEBUG : toe: transformed to: tictactoe 2026/05/18 07:47:19 DEBUG : toe: transformed to: tictactoe 2026/05/18 07:47:19 DEBUG : toe/toe: transformed to: tictactoe/tictactoe 2026/05/18 07:47:19 INFO : tictactoe/tictactoe: Making directory 2026/05/18 07:47:24 DEBUG : toe/toe: transformed to: tictactoe/tictactoe 2026/05/18 07:47:24 DEBUG : toe.txt: transformed to: tictactoe.txt 2026/05/18 07:47:24 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/18 07:47:24 DEBUG : toe/toe/toe.txt: Need to transfer - File not found at Destination 2026/05/18 07:47:24 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/18 07:47:24 DEBUG : toe/toe/toe.txt: transformed to: tictactoe/tictactoe/tictactoe.txt 2026/05/18 07:47:24 DEBUG : drime root 'rclone-test-dutowez4teco': Waiting for checks to finish 2026/05/18 07:47:24 DEBUG : drime root 'rclone-test-dutowez4teco': Waiting for transfers to finish 2026/05/18 07:47:29 DEBUG : tictactoe/tictactoe/tictactoe.txt: size = 11 OK 2026/05/18 07:47:29 INFO : toe/toe/toe.txt: Copied (new) to: tictactoe/tictactoe/tictactoe.txt 2026/05/18 07:47:29 INFO : toe/toe/toe.txt: Deleted 2026/05/18 07:47:29 ERROR : Local file system at /tmp/rclone1179024988: 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 --- FAIL: TestManualTransformFile (45.13s) === RUN TestBase64 run.go:198: Remote "drime root 'rclone-test-dutowez4teco'", Local "Local file system at /tmp/rclone1179024988", Modify Window "876000h0m0s" 2026/05/18 07:47:53 DEBUG : toe: transformed to: dG9l 2026/05/18 07:47:56 DEBUG : toe: transformed to: dG9l 2026/05/18 07:47:56 INFO : dG9l: Making directory 2026/05/18 07:48:00 DEBUG : toe: transformed to: dG9l 2026/05/18 07:48:00 DEBUG : toe: transformed to: dG9l 2026/05/18 07:48:00 DEBUG : toe/toe: transformed to: dG9l/dG9l 2026/05/18 07:48:00 INFO : dG9l/dG9l: Making directory 2026/05/18 07:48:05 DEBUG : toe/toe: transformed to: dG9l/dG9l 2026/05/18 07:48:05 DEBUG : toe.txt: transformed to: dG9lLnR4dA== 2026/05/18 07:48:05 DEBUG : toe/toe/toe.txt: transformed to: dG9l/dG9l/dG9lLnR4dA== 2026/05/18 07:48:05 DEBUG : toe/toe/toe.txt: Need to transfer - File not found at Destination 2026/05/18 07:48:05 DEBUG : toe/toe/toe.txt: transformed to: dG9l/dG9l/dG9lLnR4dA== 2026/05/18 07:48:05 DEBUG : drime root 'rclone-test-dutowez4teco': Waiting for checks to finish 2026/05/18 07:48:05 DEBUG : drime root 'rclone-test-dutowez4teco': Waiting for transfers to finish 2026/05/18 07:48:09 DEBUG : dG9l/dG9l/dG9lLnR4dA==: size = 11 OK 2026/05/18 07:48:09 INFO : toe/toe/toe.txt: Copied (new) to: dG9l/dG9l/dG9lLnR4dA== 2026/05/18 07:48:09 ERROR : drime root 'rclone-test-dutowez4teco': not deleting files as there were IO errors 2026/05/18 07:48:09 ERROR : drime root 'rclone-test-dutowez4teco': 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 (35.74s) FAIL 2026/05/18 07:48:29 DEBUG : drime root 'rclone-test-dutowez4teco': 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 10m19.238478311s (try 4/5): exit status 1: Failed [TestServerSideMove TestServerSideMoveDeleteEmptySourceDirs TestSyncBackupDirWithSuffix TestSyncBackupDirWithSuffixKeepExtension TestSyncBackupDirSuffixOnly TestSyncSuffix TestSyncSuffixKeepExtension TestTransformFile TestManualTransformFile TestBase64]