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fs: return Buffer from mkdtemp when prefix is a Buffer #88015

fs: return Buffer from mkdtemp when prefix is a Buffer

fs: return Buffer from mkdtemp when prefix is a Buffer #88015

Triggered via pull request July 9, 2026 20:44
Status Failure
Total duration 40m 16s
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test-linux.yml

on: pull_request
Matrix: test-linux
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4 errors and 2 notices
test-linux (ubuntu-24.04-arm)
Process completed with exit code 2.
test-linux (ubuntu-24.04-arm): test/parallel/test-fs-mkdtemp.js#L65
--- stderr --- node:fs:3600 options.encoding = 'buffer'; ^ TypeError: Cannot add property encoding, object is not extensible at Object.mkdtempSync (node:fs:3600:22) at Object.<anonymous> (/home/runner/work/node/node/node/test/parallel/test-fs-mkdtemp.js:65:24) at Module._compile (node:internal/modules/cjs/loader:1937:14) at Object..js (node:internal/modules/cjs/loader:2077:10) at Module.load (node:internal/modules/cjs/loader:1659:32) at Module._load (node:internal/modules/cjs/loader:1451:12) at wrapModuleLoad (node:internal/modules/cjs/loader:261:19) at Module.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:154:5) at node:internal/main/run_main_module:33:47 Node.js v27.0.0-pre Command: out/Release/node /home/runner/work/node/node/node/test/parallel/test-fs-mkdtemp.js
test-linux (ubuntu-24.04)
Process completed with exit code 2.
test-linux (ubuntu-24.04): test/parallel/test-fs-mkdtemp.js#L65
--- stderr --- node:fs:3600 options.encoding = 'buffer'; ^ TypeError: Cannot add property encoding, object is not extensible at Object.mkdtempSync (node:fs:3600:22) at Object.<anonymous> (/home/runner/work/node/node/node/test/parallel/test-fs-mkdtemp.js:65:24) at Module._compile (node:internal/modules/cjs/loader:1937:14) at Object..js (node:internal/modules/cjs/loader:2077:10) at Module.load (node:internal/modules/cjs/loader:1659:32) at Module._load (node:internal/modules/cjs/loader:1451:12) at wrapModuleLoad (node:internal/modules/cjs/loader:261:19) at Module.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:154:5) at node:internal/main/run_main_module:33:47 Node.js v27.0.0-pre Command: out/Release/node /home/runner/work/node/node/node/test/parallel/test-fs-mkdtemp.js
sccache stats - test-linux
75% - 3782 hits, 1249 misses, 0 errors
sccache stats - test-linux
81% - 4088 hits, 954 misses, 0 errors