parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows #59638

Closed
Closed
parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows#59638
Labels
flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.

Description

@joyeecheung
joyeecheung
opened on Aug 26, 2025

From https://github.com/nodejs/reliability/blob/main/reports/2025-08-26.md

Reasonparallel/test-fastutf8stream-flush-mocks
TypeJS_TEST_FAILURE
Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
Appearedtest-rackspace-win2016_vs2015-x64-1, test-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-1
First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
Example
not ok 319 parallel/test-fastutf8stream-flush-mocks
---
duration_ms: 928.99500
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302
Files blocking: [
'fastutf8stream-2252-1756150137626-0.log',
'fastutf8stream-2252-1756150137632-2.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\no...
Reasonparallel/test-fastutf8stream-sync
TypeJS_TEST_FAILURE
Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
Appearedtest-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-2
First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
Example
not ok 314 parallel/test-fastutf8stream-sync
---
duration_ms: 1050.01600
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304
Files blocking: [
'fastutf8stream-4936-1756150148470-2.log',
'fastutf8stream-4936-1756150148534-7.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\node-tes...

These tests were introduced in #58897

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      , 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
       blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

      Skip to content
      parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows #59638
      Closed
      Closed
      parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows#59638
      Labels
      flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.
      Description
      @joyeecheung
      joyeecheung
      opened on Aug 26, 2025
      From https://github.com/nodejs/reliability/blob/main/reports/2025-08-26.md
      Reasonparallel/test-fastutf8stream-flush-mocks
      TypeJS_TEST_FAILURE
      Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
      Appearedtest-rackspace-win2016_vs2015-x64-1, test-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-1
      First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
      Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
      Example
      not ok 319 parallel/test-fastutf8stream-flush-mocks
---
duration_ms: 928.99500
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302
Files blocking: [
'fastutf8stream-2252-1756150137626-0.log',
'fastutf8stream-2252-1756150137632-2.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\no...

      Reasonparallel/test-fastutf8stream-sync
      TypeJS_TEST_FAILURE
      Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
      Appearedtest-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-2
      First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
      Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
      Example
      not ok 314 parallel/test-fastutf8stream-sync
---
duration_ms: 1050.01600
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304
Files blocking: [
'fastutf8stream-4936-1756150148470-2.log',
'fastutf8stream-4936-1756150148534-7.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\node-tes...

      These tests were introduced in #58897
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        Labels
        flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.
        Type
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        No projects
          Milestone
          No milestone
          Relationships
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

          Skip to content
          parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows #59638
          Closed
          Closed
          parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows#59638
          Labels
          flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.
          Description
          @joyeecheung
          joyeecheung
          opened on Aug 26, 2025
          From https://github.com/nodejs/reliability/blob/main/reports/2025-08-26.md
          Reasonparallel/test-fastutf8stream-flush-mocks
          TypeJS_TEST_FAILURE
          Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
          Appearedtest-rackspace-win2016_vs2015-x64-1, test-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-1
          First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
          Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
          Example
          not ok 319 parallel/test-fastutf8stream-flush-mocks
---
duration_ms: 928.99500
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302
Files blocking: [
'fastutf8stream-2252-1756150137626-0.log',
'fastutf8stream-2252-1756150137632-2.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\no...

          Reasonparallel/test-fastutf8stream-sync
          TypeJS_TEST_FAILURE
          Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
          Appearedtest-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-2
          First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
          Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
          Example
          not ok 314 parallel/test-fastutf8stream-sync
---
duration_ms: 1050.01600
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304
Files blocking: [
'fastutf8stream-4936-1756150148470-2.log',
'fastutf8stream-4936-1756150148534-7.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\node-tes...

          These tests were introduced in #58897
          Activity
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            Labels
            flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.
            Type
            No type
            Projects
            No projects
              Milestone
              No milestone
              Relationships
              None yet
              Development
              No branches or pull requests
              Issue actions
              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows #59638
              Closed
              Closed
              parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows#59638
              Labels
              flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.
              Description
              @joyeecheung
              joyeecheung
              opened on Aug 26, 2025
              From https://github.com/nodejs/reliability/blob/main/reports/2025-08-26.md
              Reasonparallel/test-fastutf8stream-flush-mocks
              TypeJS_TEST_FAILURE
              Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
              Appearedtest-rackspace-win2016_vs2015-x64-1, test-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-1
              First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
              Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
              Example
              not ok 319 parallel/test-fastutf8stream-flush-mocks
---
duration_ms: 928.99500
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302
Files blocking: [
'fastutf8stream-2252-1756150137626-0.log',
'fastutf8stream-2252-1756150137632-2.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\no...

              Reasonparallel/test-fastutf8stream-sync
              TypeJS_TEST_FAILURE
              Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
              Appearedtest-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-2
              First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
              Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
              Example
              not ok 314 parallel/test-fastutf8stream-sync
---
duration_ms: 1050.01600
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304
Files blocking: [
'fastutf8stream-4936-1756150148470-2.log',
'fastutf8stream-4936-1756150148534-7.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\node-tes...

              These tests were introduced in #58897
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                  Relationships
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

                  Skip to content
                  parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows #59638
                  Closed
                  Closed
                  parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows#59638
                  Labels
                  flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.
                  Description
                  @joyeecheung
                  joyeecheung
                  opened on Aug 26, 2025
                  From https://github.com/nodejs/reliability/blob/main/reports/2025-08-26.md
                  Reasonparallel/test-fastutf8stream-flush-mocks
                  TypeJS_TEST_FAILURE
                  Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
                  Appearedtest-rackspace-win2016_vs2015-x64-1, test-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-1
                  First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
                  Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
                  Example
                  not ok 319 parallel/test-fastutf8stream-flush-mocks
---
duration_ms: 928.99500
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302
Files blocking: [
'fastutf8stream-2252-1756150137626-0.log',
'fastutf8stream-2252-1756150137632-2.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\no...

                  Reasonparallel/test-fastutf8stream-sync
                  TypeJS_TEST_FAILURE
                  Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
                  Appearedtest-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-2
                  First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
                  Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
                  Example
                  not ok 314 parallel/test-fastutf8stream-sync
---
duration_ms: 1050.01600
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304
Files blocking: [
'fastutf8stream-4936-1756150148470-2.log',
'fastutf8stream-4936-1756150148534-7.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\node-tes...

                  These tests were introduced in #58897
                  Activity
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                    Labels
                    flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.
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                      Relationships
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                      Skip to content
                      parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows #59638
                      Closed
                      Closed
                      parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows#59638
                      Labels
                      flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.
                      Description
                      @joyeecheung
                      joyeecheung
                      opened on Aug 26, 2025
                      From https://github.com/nodejs/reliability/blob/main/reports/2025-08-26.md
                      Reasonparallel/test-fastutf8stream-flush-mocks
                      TypeJS_TEST_FAILURE
                      Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
                      Appearedtest-rackspace-win2016_vs2015-x64-1, test-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-1
                      First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
                      Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
                      Example
                      not ok 319 parallel/test-fastutf8stream-flush-mocks
---
duration_ms: 928.99500
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302
Files blocking: [
'fastutf8stream-2252-1756150137626-0.log',
'fastutf8stream-2252-1756150137632-2.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\no...

                      Reasonparallel/test-fastutf8stream-sync
                      TypeJS_TEST_FAILURE
                      Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
                      Appearedtest-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-2
                      First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
                      Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
                      Example
                      not ok 314 parallel/test-fastutf8stream-sync
---
duration_ms: 1050.01600
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304
Files blocking: [
'fastutf8stream-4936-1756150148470-2.log',
'fastutf8stream-4936-1756150148534-7.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\node-tes...

                      These tests were introduced in #58897
                      Activity
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                        Labels
                        flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.
                        Type
                        No type
                        Projects
                        No projects
                          Milestone
                          No milestone
                          Relationships
                          None yet
                          Development
                          No branches or pull requests
                          Issue actions
                          
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

                          Skip to content
                          parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows #59638
                          Closed
                          Closed
                          parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows#59638
                          Labels
                          flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.
                          Description
                          @joyeecheung
                          joyeecheung
                          opened on Aug 26, 2025
                          From https://github.com/nodejs/reliability/blob/main/reports/2025-08-26.md
                          Reasonparallel/test-fastutf8stream-flush-mocks
                          TypeJS_TEST_FAILURE
                          Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
                          Appearedtest-rackspace-win2016_vs2015-x64-1, test-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-1
                          First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
                          Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
                          Example
                          not ok 319 parallel/test-fastutf8stream-flush-mocks
---
duration_ms: 928.99500
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302
Files blocking: [
'fastutf8stream-2252-1756150137626-0.log',
'fastutf8stream-2252-1756150137632-2.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\no...

                          Reasonparallel/test-fastutf8stream-sync
                          TypeJS_TEST_FAILURE
                          Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
                          Appearedtest-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-2
                          First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
                          Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
                          Example
                          not ok 314 parallel/test-fastutf8stream-sync
---
duration_ms: 1050.01600
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304
Files blocking: [
'fastutf8stream-4936-1756150148470-2.log',
'fastutf8stream-4936-1756150148534-7.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\node-tes...

                          These tests were introduced in #58897
                          Activity
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                          No one assigned
                            Labels
                            flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.
                            Type
                            No type
                            Projects
                            No projects
                              Milestone
                              No milestone
                              Relationships
                              None yet
                              Development
                              No branches or pull requests
                              Issue actions
                              
, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

                              Skip to content
                              parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows #59638
                              Closed
                              Closed
                              parallel/test-fastutf8stream-flush-mocks and parallel/test-fastutf8stream-sync are flaky on Windows#59638
                              Labels
                              flaky-testIssues and PRs involving tests that fail intermittently in CI.fsIssues and PRs related to file-system APIs and the fs module.windowsIssues and PRs related to the Windows platform.
                              Description
                              @joyeecheung
                              joyeecheung
                              opened on Aug 26, 2025
                              From https://github.com/nodejs/reliability/blob/main/reports/2025-08-26.md
                              Reasonparallel/test-fastutf8stream-flush-mocks
                              TypeJS_TEST_FAILURE
                              Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
                              Appearedtest-rackspace-win2016_vs2015-x64-1, test-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-1
                              First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
                              Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
                              Example
                              not ok 319 parallel/test-fastutf8stream-flush-mocks
---
duration_ms: 928.99500
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302
Files blocking: [
'fastutf8stream-2252-1756150137626-0.log',
'fastutf8stream-2252-1756150137632-2.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.302'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\no...

                              Reasonparallel/test-fastutf8stream-sync
                              TypeJS_TEST_FAILURE
                              Failed PR14 (https://github.com/nodejs/node/pull/59567/, https://github.com/nodejs/node/pull/59570/, https://github.com/nodejs/node/pull/59571/, https://github.com/nodejs/node/pull/59350/, https://github.com/nodejs/node/pull/59527/, https://github.com/nodejs/node/pull/59579/, https://github.com/nodejs/node/pull/59595/, https://github.com/nodejs/node/pull/58155/, https://github.com/nodejs/node/pull/58680/, https://github.com/nodejs/node/pull/59601/, https://github.com/nodejs/node/pull/58797/, https://github.com/nodejs/node/pull/59576/, https://github.com/nodejs/node/pull/59179/, https://github.com/nodejs/node/pull/59603/)
                              Appearedtest-rackspace-win2016_vs2015-x64-2, test-azure_msft-win2016_vs2017-x64-2
                              First CIhttps://ci.nodejs.org/job/node-test-pull-request/68781/
                              Last CIhttps://ci.nodejs.org/job/node-test-pull-request/68867/
                              Example
                              not ok 314 parallel/test-fastutf8stream-sync
---
duration_ms: 1050.01600
severity: fail
exitcode: 1
stack: |-
Can't clean tmpdir: C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304
Files blocking: [
'fastutf8stream-4936-1756150148470-2.log',
'fastutf8stream-4936-1756150148534-7.log'
]
C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:80
throw e;
^
Error: ENOTEMPTY: directory not empty, rmdir 'C:\workspace\node-test-binary-windows-js-suites\node\test\.tmp.304'
at Object.rmdirSync (node:fs:1206:11)
at _rmdirSync (node:internal/fs/rimraf:261:21)
at rimrafSync (node:internal/fs/rimraf:194:7)
at Object.rmSync (node:fs:1252:10)
at rmSync (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:31:8)
at onexit (C:\workspace\node-test-binary-windows-js-suites\node\test\common\tmpdir.js:65:5)
at process.<anonymous> (C:\workspace\node-tes...

                              These tests were introduced in #58897
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