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gh-158790: Improve performance for list.insert() and del list[i] free-threaded builds #212099

gh-158790: Improve performance for list.insert() and del list[i] free-threaded builds

gh-158790: Improve performance for list.insert() and del list[i] free-threaded builds #212099

Triggered via pull request October 4, 2026 06:46
Status Failure
Total duration 35m 37s
Artifacts 2

build.yml

on: pull_request
Change detection  /  Create context from changed files
12s
Change detection / Create context from changed files
Matrix: Address sanitizer
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests
Matrix: build-ubuntu
Matrix: build-windows
Matrix: cifuzz
Docs  /  Doctest
5m 3s
Docs / Doctest
Docs  /  Check EPUB
2m 22s
Docs / Check EPUB
Check if Autoconf files are up to date
33s
Check if Autoconf files are up to date
Check if generated files are up to date
5m 6s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
12s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
6m 24s
Ubuntu (installed) / build, install and test
iOS
26m 41s
iOS
Emscripten  /  build and test
20m 1s
Emscripten / build and test
WASI  /  build and test
4m 18s
WASI / build and test
Hypothesis tests on Ubuntu
10m 48s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
9m 8s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
4m 36s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
2m 17s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
5s
All required checks pass
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Annotations

4 errors, 7 warnings, and 13 notices
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
macOS (free-threading) / build and test (macos-26)
Process completed with exit code 2.
All required checks pass
Process completed with exit code 1.
Cross build Linux: Parser/lexer/string.c#L86
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
Ubuntu (installed) / build, install and test: Parser/lexer/string.c#L86
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
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 / 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!
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!
Address sanitizer (ubuntu-26.04): Parser/lexer/string.c#L86
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
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"
Docs / Docs
"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"
Docs / Check EPUB
"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.
Docs / Check for removed HTML IDs / Check for removed HTML IDs
"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 / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
macOS (free-threading) / build and test (macos-26)
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 (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"
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"
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
UBSan-logs-default
1.51 KB
sha256:97b9578062a72f34e9be4d86db0cfb2b884c8da16fd70873cc75825c368ad17c
html-ids-head.json.gz
130 KB
sha256:dccdd82e32e9ace0ff33fe4b8c61c6bad27e9a3f416933183b02f99a33c5ff5d