--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + 'EISDIR' - 'ERR_FS_CP_EINVAL' at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-points-to-dest.mjs:19:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'EISDIR', expected: 'ERR_FS_CP_EINVAL', operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-points-to-dest.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: 'EISDIR' !== 'EEXIST' at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-over-file.mjs:20:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'EISDIR', expected: 'EEXIST', operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-over-file.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + 'EISDIR' - 'ERR_FS_CP_SYMLINK_TO_SUBDIRECTORY' at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-dest-points-to-src.mjs:20:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'EISDIR', expected: 'ERR_FS_CP_SYMLINK_TO_SUBDIRECTORY', operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-dest-points-to-src.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1215/copy_%1' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EISDIR', + errno: -21, + path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1215/copy_%1', + syscall: 'unlink' + } - null at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-same-dir-twice.mjs:22:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1215/copy_%1' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1215/copy_%1' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-same-dir-twice.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1214/copy_%2' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EISDIR', + errno: -21, + path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1214/copy_%2', + syscall: 'unlink' + } - null at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-preserve-timestamps-readonly-file.mjs:21:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1214/copy_%2' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1214/copy_%2' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-preserve-timestamps-readonly-file.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1212/copy_%1' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EISDIR', + errno: -21, + path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1212/copy_%1', + syscall: 'unlink' + } - null at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-overwrites-force-true.mjs:19:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1212/copy_%1' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1212/copy_%1' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-overwrites-force-true.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1204/copy_%2' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EISDIR', + errno: -21, + path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1204/copy_%2', + syscall: 'unlink' + } - null at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-filter-child-folder.mjs:24:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1204/copy_%2' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1204/copy_%2' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-filter-child-folder.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1195/copy_%1' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EISDIR', + errno: -21, + path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1195/copy_%1', + syscall: 'unlink' + } - null at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-dereference-force-false-silent-fail.mjs:22:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1195/copy_%1' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1195/copy_%1' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-dereference-force-false-silent-fail.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1194/copy_%2' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EISDIR', + errno: -21, + path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1194/copy_%2', + syscall: 'unlink' + } - null at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-copy-non-directory-symlink.mjs:19:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1194/copy_%2' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1194/copy_%2' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-copy-non-directory-symlink.mjs

--- stderr --- node:internal/fs/promises:1068 return await PromisePrototypeThen( ^ Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.101/test-esm-loader-resolve-type-601380768985/node_modules/module-counter-by-type' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) at async file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/es-module/test-esm-loader-resolve-type.mjs:15:3 { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.101/test-esm-loader-resolve-type-601380768985/node_modules/module-counter-by-type' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/es-module/test-esm-loader-resolve-type.mjs

--- stderr --- node:internal/fs/promises:1068 return await PromisePrototypeThen( ^ Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.4174/test-esm-loader-resolve-type-986702139763/node_modules/module-counter-by-type' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) at async file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/es-module/test-esm-loader-resolve-type.mjs:15:3 { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.4174/test-esm-loader-resolve-type-986702139763/node_modules/module-counter-by-type' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/es-module/test-esm-loader-resolve-type.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + 'EPERM' - 'ERR_FS_CP_EINVAL' at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-points-to-dest.mjs:19:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'EPERM', expected: 'ERR_FS_CP_EINVAL', operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-points-to-dest.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + 'EPERM' - 'ERR_FS_CP_SYMLINK_TO_SUBDIRECTORY' at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-dest-points-to-src.mjs:20:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'EPERM', expected: 'ERR_FS_CP_SYMLINK_TO_SUBDIRECTORY', operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-dest-points-to-src.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: 'EPERM' !== 'EEXIST' at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-over-file.mjs:20:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'EPERM', expected: 'EEXIST', operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-over-file.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.945/copy_%1' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EPERM', + errno: -1, + path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.945/copy_%1', + syscall: 'unlink' + } - null at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-same-dir-twice.mjs:22:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.945/copy_%1' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.945/copy_%1' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-same-dir-twice.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.944/copy_%2' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EPERM', + errno: -1, + path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.944/copy_%2', + syscall: 'unlink' + } - null at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-preserve-timestamps-readonly-file.mjs:21:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.944/copy_%2' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.944/copy_%2' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-preserve-timestamps-readonly-file.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.942/copy_%1' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EPERM', + errno: -1, + path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.942/copy_%1', + syscall: 'unlink' + } - null at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-overwrites-force-true.mjs:19:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.942/copy_%1' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.942/copy_%1' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-overwrites-force-true.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.934/copy_%2' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EPERM', + errno: -1, + path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.934/copy_%2', + syscall: 'unlink' + } - null at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-filter-child-folder.mjs:24:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.934/copy_%2' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.934/copy_%2' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-filter-child-folder.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.925/copy_%1' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EPERM', + errno: -1, + path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.925/copy_%1', + syscall: 'unlink' + } - null at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-dereference-force-false-silent-fail.mjs:22:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.925/copy_%1' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.925/copy_%1' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-dereference-force-false-silent-fail.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.924/copy_%2' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EPERM', + errno: -1, + path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.924/copy_%2', + syscall: 'unlink' + } - null at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-copy-non-directory-symlink.mjs:19:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.924/copy_%2' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.924/copy_%2' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-copy-non-directory-symlink.mjs

--- stdout --- Test failure: 'should override default exclusion setting --test-coverage-exclude' Location: test/parallel/test-runner-coverage-default-exclusion.mjs:24:3 'test did not finish before its parent and was cancelled' Test failure: 'should exclude test files from coverage by default' Location: test/parallel/test-runner-coverage-default-exclusion.mjs:60:3 'test did not finish before its parent and was cancelled' Test failure: 'should exclude ts test files' Location: test/parallel/test-runner-coverage-default-exclusion.mjs:89:3 'test did not finish before its parent and was cancelled' Test failure: 'test runner coverage default exclusion' Location: test/parallel/test-runner-coverage-default-exclusion.mjs:19:1 Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.2840' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) at async setupFixtures (file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-runner-coverage-default-exclusion.mjs:16:3) at async SuiteContext.<anonymous> (file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-runner-coverage-default-exclusion.mjs:21:5) at async TestHook.run (node:internal/test_runner/test:1102:7) at async Suite.runHook (node:internal/test_runner/test:1013:9) at async Suite.run (node:internal/test_runner/test:1501:7) at async startSubtestAfterBootstrap (node:internal/test_runner/harness:358:3) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.2840' } Command: out/Release/node --test-reporter=./test/common/test-error-reporter.js --test-reporter-destination=stdout /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-runner-coverage-default-exclusion.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: 'EISDIR' !== 'EEXIST' at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-over-file.mjs:20:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'EISDIR', expected: 'EEXIST', operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-over-file.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + 'EISDIR' - 'ERR_FS_CP_EINVAL' at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-points-to-dest.mjs:19:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'EISDIR', expected: 'ERR_FS_CP_EINVAL', operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-points-to-dest.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + 'EISDIR' - 'ERR_FS_CP_SYMLINK_TO_SUBDIRECTORY' at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-dest-points-to-src.mjs:20:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'EISDIR', expected: 'ERR_FS_CP_SYMLINK_TO_SUBDIRECTORY', operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-dest-points-to-src.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1057/copy_%1' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EISDIR', + errno: -21, + path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1057/copy_%1', + syscall: 'unlink' + } - null at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-same-dir-twice.mjs:22:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1057/copy_%1' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1057/copy_%1' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-same-dir-twice.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1056/copy_%2' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EISDIR', + errno: -21, + path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1056/copy_%2', + syscall: 'unlink' + } - null at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-preserve-timestamps-readonly-file.mjs:21:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1056/copy_%2' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1056/copy_%2' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-preserve-timestamps-readonly-file.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1054/copy_%1' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EISDIR', + errno: -21, + path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1054/copy_%1', + syscall: 'unlink' + } - null at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-overwrites-force-true.mjs:19:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1054/copy_%1' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1054/copy_%1' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-overwrites-force-true.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1046/copy_%2' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EISDIR', + errno: -21, + path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1046/copy_%2', + syscall: 'unlink' + } - null at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-filter-child-folder.mjs:24:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1046/copy_%2' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1046/copy_%2' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-filter-child-folder.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1037/copy_%1' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EISDIR', + errno: -21, + path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1037/copy_%1', + syscall: 'unlink' + } - null at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-dereference-force-false-silent-fail.mjs:22:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1037/copy_%1' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1037/copy_%1' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-dereference-force-false-silent-fail.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1036/copy_%2' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EISDIR', + errno: -21, + path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1036/copy_%2', + syscall: 'unlink' + } - null at file:///home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-copy-non-directory-symlink.mjs:19:10 at /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EISDIR: illegal operation on a directory, unlink '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1036/copy_%2' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -21, code: 'EISDIR', syscall: 'unlink', path: '/home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.1036/copy_%2' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /home/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-copy-non-directory-symlink.mjs

--- stderr --- node:internal/fs/promises:1068 return await PromisePrototypeThen( ^ Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.4176/test-esm-loader-resolve-type-976376210675/node_modules/module-counter-by-type' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) at async file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/es-module/test-esm-loader-resolve-type.mjs:15:3 { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.4176/test-esm-loader-resolve-type-976376210675/node_modules/module-counter-by-type' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/es-module/test-esm-loader-resolve-type.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + 'EPERM' - 'ERR_FS_CP_EINVAL' at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-points-to-dest.mjs:19:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'EPERM', expected: 'ERR_FS_CP_EINVAL', operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-points-to-dest.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: 'EPERM' !== 'EEXIST' at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-over-file.mjs:20:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'EPERM', expected: 'EEXIST', operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-over-file.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + 'EPERM' - 'ERR_FS_CP_SYMLINK_TO_SUBDIRECTORY' at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-dest-points-to-src.mjs:20:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: 'EPERM', expected: 'ERR_FS_CP_SYMLINK_TO_SUBDIRECTORY', operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-symlink-dest-points-to-src.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.947/copy_%1' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EPERM', + errno: -1, + path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.947/copy_%1', + syscall: 'unlink' + } - null at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-same-dir-twice.mjs:22:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.947/copy_%1' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.947/copy_%1' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-same-dir-twice.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.946/copy_%2' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EPERM', + errno: -1, + path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.946/copy_%2', + syscall: 'unlink' + } - null at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-preserve-timestamps-readonly-file.mjs:21:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.946/copy_%2' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.946/copy_%2' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-preserve-timestamps-readonly-file.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.944/copy_%1' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EPERM', + errno: -1, + path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.944/copy_%1', + syscall: 'unlink' + } - null at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-overwrites-force-true.mjs:19:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.944/copy_%1' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.944/copy_%1' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-overwrites-force-true.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.936/copy_%2' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EPERM', + errno: -1, + path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.936/copy_%2', + syscall: 'unlink' + } - null at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-filter-child-folder.mjs:24:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.936/copy_%2' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.936/copy_%2' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-filter-child-folder.mjs

--- stderr --- node:internal/assert/utils:146 throw error; ^ AssertionError [ERR_ASSERTION]: Expected values to be strictly equal: + actual - expected + Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.927/copy_%1' + at async unlink (node:internal/fs/promises:1068:10) + at async onDir (node:internal/fs/cp/cp:306:5) { + code: 'EPERM', + errno: -1, + path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.927/copy_%1', + syscall: 'unlink' + } - null at file:///Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-dereference-force-false-silent-fail.mjs:22:10 at /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/common/index.js:504:15 at node:fs:181:23 at callbackifyOnRejected (node:util:268:10) at process.processTicksAndRejections (node:internal/process/task_queues:89:21) { generatedMessage: true, code: 'ERR_ASSERTION', actual: Error: EPERM: operation not permitted, unlink '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.927/copy_%1' at async unlink (node:internal/fs/promises:1068:10) at async onDir (node:internal/fs/cp/cp:306:5) { errno: -1, code: 'EPERM', syscall: 'unlink', path: '/Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/.tmp.927/copy_%1' }, expected: null, operator: 'strictEqual', diff: 'simple' } Node.js v26.0.0-pre Command: out/Release/node /Users/runner/work/_temp/node-v26.0.0-nightly2025-12-0353fbc4bc7d-slim/test/parallel/test-fs-cp-async-dereference-force-false-silent-fail.mjs