Process completed with exit code 2.

--- stderr --- /Users/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/common/wpt.js:807 throw new Error( ^ Error: Found 1 unexpected failures. Consider updating test/wpt/status/webidl.json for these files: idlharness.any.js at process.<anonymous> (/Users/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/common/wpt.js:807:15) at process.emit (node:events:520:22) Node.js v25.8.3-pre --- stdout --- [PASS] Constructor property enumeration order of "length", "name", and "prototype" [PASS] Method property enumeration order of "length" and "name" [PASS] Getter property enumeration order of "length" and "name" [PASS] @@toStringTag exists on the prototype with the appropriate descriptor [PASS] @@toStringTag must not exist on the instance [PASS] Object.prototype.toString applied to the prototype [PASS] Object.prototype.toString applied to an instance [PASS] Object.prototype.toString applied after modifying the prototype's @@toStringTag [PASS] Object.prototype.toString applied to the instance after modifying the instance's @@toStringTag [PASS] Object.prototype.toString applied to a null-prototype instance [PASS] Object.prototype.toString applied after deleting @@toStringTag [EXPECTED_FAILURE][UNCAUGHT] ReferenceError: Window is not defined Window is not defined /Users/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/fixtures/wpt/webidl/ecmascript-binding/class-string-named-properties-object.window.js:3 const namedPropertiesObject = Object.getPrototypeOf(Window.prototype); ^ ReferenceError: Window is not defined at /Users/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/fixtures/wpt/webidl/ecmascript-binding/class-string-named-properties-object.window.js:3:53 at Script.runInThisContext (node:vm:137:12) at runInThisContext (node:vm:317:38) at Object.<anonymous> (/Users/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/common/wpt/worker.js:69:3) at Module._compile (node:internal/modules/cjs/loader:1829:14) at Object..js (node:internal/modules/cjs/loader:1969:10) at Module.load (node:internal/modules/cjs/loader:1552:32) at Module._load (node:internal/modules/cjs/loader:1354:12) at wrapModuleLoad (node:internal/modules/cjs/loader:255:19) at Module.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:154:5) Command: /Users/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/out/Release/node /Users/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/wpt/test-webidl.js 'ecmascript-binding/class-string-named-properties-object.window.js' [PASS] @@toStringTag exists with the appropriate descriptor [PASS] Object.prototype.toString [PASS] Object.prototype.toString applied after modifying @@toStringTag [PASS] Object.prototype.toString applied to a null-prototype instance [PASS] Object.prototype.toString applied after nulling the prototype [PASS] Constant INDEX_SIZE_ERR on DOMException constructor object [PASS] Constant INDEX_SIZE_ERR on DOMException prototype object [PASS] Constant DOMSTRING_SIZE_ERR on DOMException constructor object [PASS] Constant DOMSTRING_SIZE_ERR on DOMException prototype object [PASS] Constant HIERARCHY_REQUEST_ERR on DOMException constructor object [PASS] Constant HIERARCHY_REQUEST_ERR on DOMException prototype object [PASS] Constant WRONG_DOCUMENT_ERR on DOMException constructor object [PASS] Constant WRONG_DOCUMENT_ERR on DOMException prototype object [PASS] Constant INVALID_CHARACTER_ERR on DOMException constructor object [PASS] Constant INVALID_CHARACTER_ERR on DOMException prototype object [PASS] Constant NO_DATA_ALLOWED_ERR on DOMException constructor object [PASS] Constant NO_DATA_ALLOWED_ERR on DOMException prototype object [PASS] Constant NO_MODIFICATION_ALLOWED_ERR on DOMException constructor object [PASS] Constant NO_MODIFICATION_ALLOWED_ERR on DOMException prototype object [PASS] Constant NOT_FOUND_ERR on DOMException constructor object [PASS] Constan

Process completed with exit code 2.

--- stderr --- /home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/common/wpt.js:807 throw new Error( ^ Error: Found 1 unexpected failures. Consider updating test/wpt/status/webidl.json for these files: idlharness.any.js at process.<anonymous> (/home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/common/wpt.js:807:15) at process.emit (node:events:520:22) Node.js v25.8.3-pre --- stdout --- [PASS] Constructor property enumeration order of "length", "name", and "prototype" [PASS] Method property enumeration order of "length" and "name" [PASS] Getter property enumeration order of "length" and "name" [PASS] @@toStringTag exists on the prototype with the appropriate descriptor [PASS] @@toStringTag must not exist on the instance [PASS] Object.prototype.toString applied to the prototype [PASS] Object.prototype.toString applied to an instance [PASS] Object.prototype.toString applied after modifying the prototype's @@toStringTag [PASS] Object.prototype.toString applied to the instance after modifying the instance's @@toStringTag [PASS] Object.prototype.toString applied to a null-prototype instance [PASS] Object.prototype.toString applied after deleting @@toStringTag [PASS] @@toStringTag exists with the appropriate descriptor [PASS] Object.prototype.toString [PASS] Object.prototype.toString applied after modifying @@toStringTag [PASS] Object.prototype.toString applied to a null-prototype instance [PASS] Object.prototype.toString applied after nulling the prototype [EXPECTED_FAILURE][UNCAUGHT] ReferenceError: Window is not defined Window is not defined /home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/fixtures/wpt/webidl/ecmascript-binding/class-string-named-properties-object.window.js:3 const namedPropertiesObject = Object.getPrototypeOf(Window.prototype); ^ ReferenceError: Window is not defined at /home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/fixtures/wpt/webidl/ecmascript-binding/class-string-named-properties-object.window.js:3:53 at Script.runInThisContext (node:vm:137:12) at runInThisContext (node:vm:317:38) at Object.<anonymous> (/home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/common/wpt/worker.js:69:3) at Module._compile (node:internal/modules/cjs/loader:1829:14) at Object..js (node:internal/modules/cjs/loader:1969:10) at Module.load (node:internal/modules/cjs/loader:1552:32) at Module._load (node:internal/modules/cjs/loader:1354:12) at wrapModuleLoad (node:internal/modules/cjs/loader:255:19) at Module.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:154:5) Command: /home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/out/Release/node /home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/wpt/test-webidl.js 'ecmascript-binding/class-string-named-properties-object.window.js' [PASS] Constant INDEX_SIZE_ERR on DOMException constructor object [PASS] Constant INDEX_SIZE_ERR on DOMException prototype object [PASS] Constant DOMSTRING_SIZE_ERR on DOMException constructor object [PASS] Constant DOMSTRING_SIZE_ERR on DOMException prototype object [PASS] Constant HIERARCHY_REQUEST_ERR on DOMException constructor object [PASS] Constant HIERARCHY_REQUEST_ERR on DOMException prototype object [PASS] Constant WRONG_DOCUMENT_ERR on DOMException constructor object [PASS] Constant WRONG_DOCUMENT_ERR on DOMException prototype object [PASS] Constant INVALID_CHARACTER_ERR on DOMException constructor object [PASS] Constant INVALID_CHARACTER_ERR on DOMException prototype object [PASS] Constant NO_DATA_ALLOWED_ERR on DOMException constructor object [PASS] Constant NO_DATA_ALLOWED_ERR on DOMException prototype object [PASS] Constant NO_MODIFICATION_ALLOWED_ERR on DOMException constructor object [PASS] Constant NO_MODIFICATION_ALLOWED_ERR on DOMException prototype object [PASS] Constant NOT_FOUND_ERR on DOMException constructor object [PASS] Constant NOT_F

Process completed with exit code 2.

--- stderr --- /home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/common/wpt.js:807 throw new Error( ^ Error: Found 1 unexpected failures. Consider updating test/wpt/status/webidl.json for these files: idlharness.any.js at process.<anonymous> (/home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/common/wpt.js:807:15) at process.emit (node:events:520:22) Node.js v25.8.3-pre --- stdout --- [PASS] Constructor property enumeration order of "length", "name", and "prototype" [PASS] Method property enumeration order of "length" and "name" [PASS] Getter property enumeration order of "length" and "name" [PASS] @@toStringTag exists on the prototype with the appropriate descriptor [PASS] @@toStringTag must not exist on the instance [PASS] Object.prototype.toString applied to the prototype [PASS] Object.prototype.toString applied to an instance [PASS] Object.prototype.toString applied after modifying the prototype's @@toStringTag [PASS] Object.prototype.toString applied to the instance after modifying the instance's @@toStringTag [PASS] Object.prototype.toString applied to a null-prototype instance [PASS] Object.prototype.toString applied after deleting @@toStringTag [PASS] @@toStringTag exists with the appropriate descriptor [PASS] Object.prototype.toString [PASS] Object.prototype.toString applied after modifying @@toStringTag [PASS] Object.prototype.toString applied to a null-prototype instance [PASS] Object.prototype.toString applied after nulling the prototype [EXPECTED_FAILURE][UNCAUGHT] ReferenceError: Window is not defined Window is not defined /home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/fixtures/wpt/webidl/ecmascript-binding/class-string-named-properties-object.window.js:3 const namedPropertiesObject = Object.getPrototypeOf(Window.prototype); ^ ReferenceError: Window is not defined at /home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/fixtures/wpt/webidl/ecmascript-binding/class-string-named-properties-object.window.js:3:53 at Script.runInThisContext (node:vm:137:12) at runInThisContext (node:vm:317:38) at Object.<anonymous> (/home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/common/wpt/worker.js:69:3) at Module._compile (node:internal/modules/cjs/loader:1829:14) at Object..js (node:internal/modules/cjs/loader:1969:10) at Module.load (node:internal/modules/cjs/loader:1552:32) at Module._load (node:internal/modules/cjs/loader:1354:12) at wrapModuleLoad (node:internal/modules/cjs/loader:255:19) at Module.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:154:5) Command: /home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/out/Release/node /home/runner/work/_temp/node-v25.8.3-nightly2026-03-2872c2502576-slim/test/wpt/test-webidl.js 'ecmascript-binding/class-string-named-properties-object.window.js' [PASS] existence and property descriptor of DOMException [PASS] existence and property descriptor of DOMException.prototype [PASS] existence and property descriptor of DOMException.prototype.constructor [PASS] Constant INDEX_SIZE_ERR on DOMException constructor object [PASS] Constant INDEX_SIZE_ERR on DOMException prototype object [PASS] Constant DOMSTRING_SIZE_ERR on DOMException constructor object [PASS] Constant DOMSTRING_SIZE_ERR on DOMException prototype object [PASS] Constant HIERARCHY_REQUEST_ERR on DOMException constructor object [PASS] Constant HIERARCHY_REQUEST_ERR on DOMException prototype object [PASS] Constant WRONG_DOCUMENT_ERR on DOMException constructor object [PASS] Constant WRONG_DOCUMENT_ERR on DOMException prototype object [PASS] Constant INVALID_CHARACTER_ERR on DOMException constructor object [PASS] Constant INVALID_CHARACTER_ERR on DOMException prototype object [PASS] Constant NO_DATA_ALLOWED_ERR on DOMException constructor object [PASS] Constant NO_DATA_ALLOWED_ERR on DOMException prototype object [PASS] Constant NO_MODIFICATION_ALLOWED

Canceling since a higher priority waiting request for Test Shared libraries-backport-62240-to-v25.x exists

Canceling since a higher priority waiting request for Test Shared libraries-backport-62240-to-v25.x exists

The operation was canceled.

Node.js 20 actions are deprecated. The following actions are running on Node.js 20 and may not work as expected: cachix/cachix-action@3ba601ff5bbb07c7220846facfa2cd81eeee15a1. Actions will be forced to run with Node.js 24 by default starting June 2nd, 2026. Node.js 20 will be removed from the runner on September 16th, 2026. Please check if updated versions of these actions are available that support Node.js 24. To opt into Node.js 24 now, set the FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=true environment variable on the runner or in your workflow file. Once Node.js 24 becomes the default, you can temporarily opt out by setting ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION=true. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Node.js 20 actions are deprecated. The following actions are running on Node.js 20 and may not work as expected: cachix/cachix-action@3ba601ff5bbb07c7220846facfa2cd81eeee15a1. Actions will be forced to run with Node.js 24 by default starting June 2nd, 2026. Node.js 20 will be removed from the runner on September 16th, 2026. Please check if updated versions of these actions are available that support Node.js 24. To opt into Node.js 24 now, set the FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=true environment variable on the runner or in your workflow file. Once Node.js 24 becomes the default, you can temporarily opt out by setting ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION=true. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Node.js 20 actions are deprecated. The following actions are running on Node.js 20 and may not work as expected: cachix/cachix-action@3ba601ff5bbb07c7220846facfa2cd81eeee15a1. Actions will be forced to run with Node.js 24 by default starting June 2nd, 2026. Node.js 20 will be removed from the runner on September 16th, 2026. Please check if updated versions of these actions are available that support Node.js 24. To opt into Node.js 24 now, set the FORCE_JAVASCRIPT_ACTIONS_TO_NODE24=true environment variable on the runner or in your workflow file. Once Node.js 24 becomes the default, you can temporarily opt out by setting ACTIONS_ALLOW_USE_UNSECURE_NODE_VERSION=true. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/