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gh-158592: Skip reallocation when shrinking a small list #212423

gh-158592: Skip reallocation when shrinking a small list

gh-158592: Skip reallocation when shrinking a small list #212423

Triggered via pull request October 6, 2026 15:59
Status Cancelled
Total duration 6m 22s
Artifacts 2

build.yml

on: pull_request
Change detection  /  Create context from changed files
15s
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
2m 46s
Docs / Doctest
Docs  /  Check EPUB
2m 20s
Docs / Check EPUB
Check if Autoconf files are up to date
24s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 1s
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
2m 38s
Ubuntu (installed) / build, install and test
iOS
2m 47s
iOS
Emscripten  /  build and test
4m 0s
Emscripten / build and test
WASI  /  build and test
2m 46s
WASI / build and test
Hypothesis tests on Ubuntu
4m 1s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
4m 1s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
4m 2s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
1m 29s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
3s
All required checks pass
Fit to window
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Annotations

104 errors, 4 warnings, and 13 notices
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
Ubuntu SSL tests (ubuntu-26.04, openssl, 3.5.9)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Ubuntu (installed) / build, install and test
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Ubuntu (installed) / build, install and test
The operation was canceled.
Windows / Build and test (x64, switch-case)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Windows / Build and test (x64, switch-case)
The operation was canceled.
WASI / build and test
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
WASI / build and test
The operation was canceled.
Docs / Doctest
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Docs / Doctest
The operation was canceled.
iOS
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
iOS
The operation was canceled.
Ubuntu SSL tests (ubuntu-26.04, openssl, 4.0.3)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Ubuntu / build and test (ubuntu-26.04-arm)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Ubuntu / build and test (ubuntu-26.04-arm)
The operation was canceled.
Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
The operation was canceled.
macOS (free-threading) / build and test (macos-26)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
macOS (free-threading) / build and test (macos-26)
The operation was canceled.
Android (aarch64)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Android (aarch64)
The operation was canceled.
macOS / build and test (macos-26)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
macOS / build and test (macos-26)
The operation was canceled.
Ubuntu SSL tests (ubuntu-26.04, openssl, 3.4.8)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Ubuntu SSL tests (ubuntu-26.04, openssl, 3.4.8)
The operation was canceled.
Ubuntu SSL tests (ubuntu-26.04, openssl, 1.1.1w)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Ubuntu SSL tests (ubuntu-26.04, openssl, 3.6.5)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Ubuntu / build and test (ubuntu-26.04)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Ubuntu / build and test (ubuntu-26.04)
The operation was canceled.
CIFuzz / cpython3 (address)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
CIFuzz / cpython3 (address)
The operation was canceled.
Ubuntu (free-threading) / build and test (ubuntu-26.04)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Ubuntu (free-threading) / build and test (ubuntu-26.04)
The operation was canceled.
CIFuzz / cpython3 (memory)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
CIFuzz / cpython3 (memory)
The operation was canceled.
Address sanitizer (ubuntu-26.04)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Address sanitizer (ubuntu-26.04)
The operation was canceled.
CIFuzz / cpython3 (undefined)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
CIFuzz / cpython3 (undefined)
The operation was canceled.
Docs / Check for removed HTML IDs / Check for removed HTML IDs
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Docs / Check for removed HTML IDs / Check for removed HTML IDs
The operation was canceled.
Windows / Build and test (Win32, switch-case)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Windows / Build and test (Win32, switch-case)
The operation was canceled.
Windows (free-threading) / Build and test (x64, switch-case)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Windows (free-threading) / Build and test (x64, switch-case)
The operation was canceled.
Check if generated files are up to date
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Check if generated files are up to date
The operation was canceled.
Android (x86_64)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Android (x86_64)
The operation was canceled.
Hypothesis tests on Ubuntu
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Hypothesis tests on Ubuntu
The operation was canceled.
Cross build Linux
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Cross build Linux
The operation was canceled.
Emscripten / build and test
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Emscripten / build and test
The operation was canceled.
Lazy imports enabled / Run Tests with lazy_imports=all
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Lazy imports enabled / Run Tests with lazy_imports=all
The operation was canceled.
Sanitizers / TSan (free-threading)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Sanitizers / TSan (free-threading)
The operation was canceled.
Windows (free-threading) / Build and test (x64, tail-call)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Windows (free-threading) / Build and test (x64, tail-call)
The operation was canceled.
Windows / Build and test (x64, tail-call)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Windows / Build and test (x64, tail-call)
The operation was canceled.
Windows / Build and test (arm64, switch-case)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Windows / Build and test (arm64, switch-case)
The operation was canceled.
Ubuntu (bolt) / build and test (ubuntu-26.04)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Sanitizers / TSan
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Sanitizers / TSan
The operation was canceled.
Ubuntu (bolt) / build and test (ubuntu-26.04)
The operation was canceled.
Sanitizers / MSan
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Sanitizers / MSan
The operation was canceled.
Sanitizers / UBSan
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Sanitizers / UBSan
The operation was canceled.
Windows (free-threading) / Build and test (arm64, switch-case)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Windows (free-threading) / Build and test (arm64, switch-case)
The operation was canceled.
macOS / build and test (macos-26-intel)
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
macOS / build and test (macos-26-intel)
The operation was canceled.
All required checks pass
Process completed with exit code 1.
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
Tests
Canceling since a higher priority waiting request for Tests-corona10-gh-158592 exists
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!
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-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"
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"
iOS
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.
Android (aarch64)
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.
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"
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"
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
362 Bytes
sha256:17357d96bac406281c80d926b9bfe8db4b3978e969ebf924984697f39ec703b2
html-ids-head.json.gz
130 KB
sha256:46e8c52cd754aca0cbc506a9c02787f2c1b9b03211c64d2ddd40c1de2577477d