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Add perchance, a soft keyword for exception-tolerant expressions (PoC) #201527

Add perchance, a soft keyword for exception-tolerant expressions (PoC)

Add perchance, a soft keyword for exception-tolerant expressions (PoC) #201527

Triggered via pull request July 15, 2026 13:31
Status Cancelled
Total duration 12m 25s
Artifacts 1

build.yml

on: pull_request
Change detection  /  Create context from changed files
14s
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-msi
Waiting for pending jobs
Matrix: build-windows
Matrix: cifuzz
Check if Autoconf files are up to date
23s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 23s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
11s
C API Docs / Check if all C APIs are documented
iOS
11m 58s
iOS
Emscripten  /  build and test
11m 42s
Emscripten / build and test
WASI  /  build and test
5m 19s
WASI / build and test
Hypothesis tests on Ubuntu
10m 14s
Hypothesis tests on Ubuntu
Cross build Linux
4m 29s
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
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All required checks pass
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78 errors and 7 warnings
CIFuzz / cpython3 (memory)
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
CIFuzz / cpython3 (memory)
Path does not exist: cifuzz-sarif/results.sarif
CIFuzz / cpython3 (memory)
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CIFuzz / cpython3 (undefined)
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CIFuzz / cpython3 (undefined)
Path does not exist: cifuzz-sarif/results.sarif
CIFuzz / cpython3 (undefined)
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CIFuzz / cpython3 (address)
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
CIFuzz / cpython3 (address)
Path does not exist: cifuzz-sarif/results.sarif
CIFuzz / cpython3 (address)
The operation was canceled.
CIFuzz / python3-libraries (address)
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
CIFuzz / python3-libraries (address)
Path does not exist: cifuzz-sarif/results.sarif
CIFuzz / python3-libraries (address)
The operation was canceled.
Windows (free-threading) / Build and test (x64, switch-case)
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Windows (free-threading) / Build and test (x64, switch-case)
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Windows (free-threading) / Build and test (x64, tail-call)
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Windows (free-threading) / Build and test (x64, tail-call)
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Windows / Build and test (Win32, switch-case)
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Windows / Build and test (Win32, switch-case)
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Windows / Build and test (x64, tail-call)
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Windows / Build and test (x64, tail-call)
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Windows / Build and test (x64, switch-case)
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Windows / Build and test (x64, switch-case)
The operation was canceled.
Ubuntu / build and test (ubuntu-26.04-arm)
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Ubuntu / build and test (ubuntu-26.04-arm)
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Windows / Build and test (arm64, switch-case)
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Windows / Build and test (arm64, switch-case)
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Ubuntu (bolt) / build and test (ubuntu-26.04)
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Ubuntu (bolt) / build and test (ubuntu-26.04)
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Sanitizers / TSan (free-threading)
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Sanitizers / TSan (free-threading)
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Emscripten / build and test
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Emscripten / build and test
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Ubuntu / build and test (ubuntu-26.04)
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Ubuntu / build and test (ubuntu-26.04)
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Android (x86_64)
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Android (x86_64)
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Ubuntu (free-threading) / build and test (ubuntu-26.04)
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Ubuntu (free-threading) / build and test (ubuntu-26.04)
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Address sanitizer (ubuntu-26.04)
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Address sanitizer (ubuntu-26.04)
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Sanitizers / TSan
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Sanitizers / TSan
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Sanitizers / UBSan
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Sanitizers / UBSan
The operation was canceled.
macOS / build and test (macos-26)
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macOS / build and test (macos-26)
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Windows (free-threading) / Build and test (arm64, switch-case)
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Windows (free-threading) / Build and test (arm64, switch-case)
The operation was canceled.
macOS (free-threading) / build and test (macos-26)
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
macOS (free-threading) / build and test (macos-26)
The operation was canceled.
macOS / build and test (macos-26-intel)
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macOS / build and test (macos-26-intel)
The operation was canceled.
iOS
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iOS
The operation was canceled.
All required checks pass
Process completed with exit code 1.
Tests
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Tests
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Tests
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Tests
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Tests
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Tests
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Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
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Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
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Tests
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Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
Tests
Canceling since a higher priority waiting request for Tests-ambv-perchance exists
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)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26)
The following taps are not trusted: aws/tap Homebrew is currently ignoring formulae, casks and commands from these taps because tap trust is required. Untap them with: brew untap aws/tap Trust specific formulae, casks and commands with: brew trust --formula <user>/<tap>/<formula> brew trust --cask <user>/<tap>/<cask> brew trust --command <user>/<tap>/<command> Whole-tap trust is broader and includes all current and future formulae, casks and commands from the listed taps. Trust whole taps with: brew trust aws/tap To disable trust checks: export HOMEBREW_NO_REQUIRE_TAP_TRUST=1 This is not recommended and will be removed in a later release. For more information, see: https://docs.brew.sh/Tap-Trust
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS (free-threading) / build and test (macos-26)
The following taps are not trusted: aws/tap Homebrew is currently ignoring formulae, casks and commands from these taps because tap trust is required. Untap them with: brew untap aws/tap Trust specific formulae, casks and commands with: brew trust --formula <user>/<tap>/<formula> brew trust --cask <user>/<tap>/<cask> brew trust --command <user>/<tap>/<command> Whole-tap trust is broader and includes all current and future formulae, casks and commands from the listed taps. Trust whole taps with: brew trust aws/tap To disable trust checks: export HOMEBREW_NO_REQUIRE_TAP_TRUST=1 This is not recommended and will be removed in a later release. For more information, see: https://docs.brew.sh/Tap-Trust
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 / build and test (macos-26-intel)
The following taps are not trusted: aws/tap Homebrew is currently ignoring formulae, casks and commands from these taps because tap trust is required. Untap them with: brew untap aws/tap Trust specific formulae, casks and commands with: brew trust --formula <user>/<tap>/<formula> brew trust --cask <user>/<tap>/<cask> brew trust --command <user>/<tap>/<command> Whole-tap trust is broader and includes all current and future formulae, casks and commands from the listed taps. Trust whole taps with: brew trust aws/tap To disable trust checks: export HOMEBREW_NO_REQUIRE_TAP_TRUST=1 This is not recommended and will be removed in a later release. For more information, see: https://docs.brew.sh/Tap-Trust

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default
365 Bytes
sha256:fe56b7c4ce47b5438deac1b8c124fb552f6ad872c128bc44ff411eec7e8e9dae