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gh-158660: Avoid locking for new lists with preallocated space #215389

gh-158660: Avoid locking for new lists with preallocated space

gh-158660: Avoid locking for new lists with preallocated space #215389

Triggered via pull request October 22, 2026 00:35
Status Failure
Total duration 40m 36s
Artifacts 3

build.yml

on: pull_request
Change detection  /  Create context from changed files
14s
Change detection / Create context from changed files
Matrix: build-ios
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests
Matrix: build-ubuntu
Matrix: build-windows
Matrix: cifuzz
Check if Autoconf files are up to date
31s
Check if Autoconf files are up to date
Check if generated files are up to date
3m 0s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
13s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
6m 3s
Ubuntu (installed) / build, install and test
Emscripten  /  build and test
19m 0s
Emscripten / build and test
WASI  /  build and test
4m 20s
WASI / build and test
Hypothesis tests on Ubuntu
10m 54s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
8m 7s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
5m 5s
Cross build Linux
Docs  /  Check EPUB
Docs / Check EPUB
Docs  /  Doctest
Docs / Doctest
Docs  /  Docs
Docs / Docs
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
4s
All required checks pass
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Annotations

8 errors, 4 warnings, and 11 notices
Windows (free-threading) / Build and test (x64, tail-call)
Process completed with exit code 2.
Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
Process completed with exit code 2.
Windows (free-threading) / Build and test (x64, switch-case)
Process completed with exit code 2.
Ubuntu (free-threading) / build and test (ubuntu-26.04)
Process completed with exit code 2.
Windows (free-threading) / Build and test (arm64, switch-case)
Process completed with exit code 2.
macOS (free-threading) / build and test (macos-26)
Process completed with exit code 2.
iOS (free-threading)
Process completed with exit code 1.
All required checks pass
Process completed with exit code 1.
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26-intel)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Change detection / Create context from changed files
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
C API Docs / Check if all C APIs are documented
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Android (aarch64)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
CIFuzz / cpython3 (address)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
CIFuzz / cpython3 (undefined)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
CIFuzz / cpython3 (memory)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
macOS (free-threading) / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
iOS (free-threading)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
macOS / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
iOS
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
All required checks pass
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"

Artifacts

Produced during runtime
Name Size Digest
ASan-logs-default
2.49 KB
sha256:7f0294fcf5f9a8e213c251ca72670c5f9b514c61adb27d9edccfdb266b0fa218
MSan-logs-default
209 Bytes
sha256:3e79e97eaebed51ab9968d1bd48c4ad6af2a618a5aa8f599dfee1d7e9b134ab8
UBSan-logs-default
1.5 KB
sha256:c8775c0c0bd9c6ff1635977efb6b02d515f0fb45776fdd164dc0476fd721ced1