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gh-161172: Add PyUnicodeWriter to the limited C API #217657

gh-161172: Add PyUnicodeWriter to the limited C API

gh-161172: Add PyUnicodeWriter to the limited C API #217657

Triggered via pull request November 2, 2026 12:38
Status Failure
Total duration 33m 7s
Artifacts 3

build.yml

on: pull_request
Change detection  /  Create context from changed files
13s
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
Docs  /  Doctest
7m 34s
Docs / Doctest
Docs  /  Check EPUB
2m 5s
Docs / Check EPUB
Check if Autoconf files are up to date
38s
Check if Autoconf files are up to date
Check if generated files are up to date
5m 17s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
15s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
6m 15s
Ubuntu (installed) / build, install and test
Emscripten  /  build and test
12m 44s
Emscripten / build and test
WASI  /  build and test
4m 36s
WASI / build and test
Hypothesis tests on Ubuntu
11m 9s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
9m 2s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
3m 52s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
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 / Check EPUB
Process completed with exit code 2.
Docs / Docs
Process completed with exit code 254.
Docs / Docs
Process completed with exit code 2.
All required checks pass
Process completed with exit code 1.
Docs / Docs: Doc/whatsnew/3.16.rst#L1387
undefined label: 'pyunicodewriter' [ref.ref]
Cross build Linux: Python/marshal.c#L740
unused variable ‘w’ [-Wunused-variable]
Ubuntu (installed) / build, install and test: Python/marshal.c#L740
unused variable ‘w’ [-Wunused-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`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!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!
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 / 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"
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"
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.
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 (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"
iOS
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.
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
sha256:567d000c8a9c0088271338dfe21321fbe043f25f0d16ef00780e25b761591ffa
MSan-logs-default
209 Bytes
sha256:b20203e64224d2e5aeaeedc3e6b52c5282ba1485b9dda839c25f5ae14ecf590e
UBSan-logs-default
1.17 KB
sha256:a7b64461d12f246913045380b6eb901098c0c0dd52ef52242379a2cf0763732a