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Prototype: a generic dispatch opcode to bring tier-2 specializations into tier 1 #217797

Prototype: a generic dispatch opcode to bring tier-2 specializations into tier 1

Prototype: a generic dispatch opcode to bring tier-2 specializations into tier 1 #217797

Triggered via pull request November 3, 2026 08:53
Status Failure
Total duration 29m 16s
Artifacts 3

build.yml

on: pull_request
Change detection  /  Create context from changed files
26s
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
25s
Check if Autoconf files are up to date
Check if generated files are up to date
2m 50s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
8s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
5m 58s
Ubuntu (installed) / build, install and test
Emscripten  /  build and test
11m 29s
Emscripten / build and test
WASI  /  build and test
4m 35s
WASI / build and test
Hypothesis tests on Ubuntu
10m 2s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
10m 43s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
4m 30s
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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3s
All required checks pass
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106 errors, 6 warnings, and 11 notices
Windows (free-threading) / Build and test (x64, tail-call)
The process 'C:\Program Files\Git\bin\git.exe' failed with exit code 128
Windows (free-threading) / Build and test (x64, tail-call)
invalid path 'Modules/_imp*'
Windows (free-threading) / Build and test (x64, switch-case)
The process 'C:\Program Files\Git\bin\git.exe' failed with exit code 128
Windows (free-threading) / Build and test (x64, switch-case)
invalid path 'Modules/_imp*'
Windows / Build and test (x64, switch-case)
The process 'C:\Program Files\Git\bin\git.exe' failed with exit code 128
Windows / Build and test (x64, switch-case)
invalid path 'Modules/_imp*'
Windows / Build and test (Win32, switch-case)
The process 'C:\Program Files\Git\bin\git.exe' failed with exit code 128
Windows / Build and test (Win32, switch-case)
invalid path 'Modules/_imp*'
Windows (free-threading) / Build and test (arm64, switch-case)
The process 'C:\Program Files\Git\bin\git.exe' failed with exit code 128
Windows (free-threading) / Build and test (arm64, switch-case)
invalid path 'Modules/_imp*'
Windows / Build and test (x64, tail-call)
The process 'C:\Program Files\Git\bin\git.exe' failed with exit code 128
Windows / Build and test (x64, tail-call)
invalid path 'Modules/_imp*'
Windows / Build and test (arm64, switch-case)
The process 'C:\Program Files\Git\bin\git.exe' failed with exit code 128
Windows / Build and test (arm64, switch-case)
invalid path 'Modules/_imp*'
Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
Process completed with exit code 2.
macOS (free-threading) / build and test (macos-26)
Process completed with exit code 2.
Ubuntu (free-threading) / build and test (ubuntu-26.04)
Process completed with exit code 2.
Sanitizers / TSan (free-threading)
Process completed with exit code 2.
iOS (free-threading)
Process completed with exit code 1.
Check if generated files are up to date
Process completed with exit code 1.
WASI / build and test
Process completed with exit code 2.
Ubuntu (installed) / build, install and test
Process completed with exit code 2.
test_trace: Lib/test/test_trace.py#L1
test_trace worker non-zero exit code
Hypothesis tests on Ubuntu
Process completed with exit code 2.
test_trace: Lib/test/test_trace.py#L1
test_trace worker non-zero exit code
Lazy imports enabled / Run Tests with lazy_imports=all
Process completed with exit code 123.
test_trace: Lib/test/test_trace.py#L1
test_trace worker non-zero exit code
test_frozenmain (test.test_embed.MiscTests.test_frozenmain): Lib/test/test_embed.py#L168
AssertionError: 1 != 0 : bad returncode 1, stderr is 'Traceback (most recent call last):\n File \x1b[35m"test_frozenmain.py"\x1b[0m, line \x1b[35m4\x1b[0m, in \x1b[35m<module>\x1b[0m\n\x1b[1;35mNameError\x1b[0m: \x1b[35mname \'sys\' is not defined. Did you forget to import \'sys\'?\x1b[0m\n'
Ubuntu / build and test (ubuntu-26.04-arm)
Process completed with exit code 2.
test_trace: Lib/test/test_trace.py#L1
test_trace worker non-zero exit code
test_frozenmain (test.test_embed.MiscTests.test_frozenmain): Lib/test/test_embed.py#L168
AssertionError: 1 != 0 : bad returncode 1, stderr is 'Traceback (most recent call last):\n File \x1b[35m"test_frozenmain.py"\x1b[0m, line \x1b[35m4\x1b[0m, in \x1b[35m<module>\x1b[0m\n\x1b[1;35mNameError\x1b[0m: \x1b[35mname \'sys\' is not defined. Did you forget to import \'sys\'?\x1b[0m\n'
Ubuntu / build and test (ubuntu-26.04)
Process completed with exit code 2.
test_trace: Lib/test/test_trace.py#L1
test_trace worker non-zero exit code
test_frozenmain (test.test_embed.MiscTests.test_frozenmain): Lib/test/test_embed.py#L168
AssertionError: 1 != 0 : bad returncode 1, stderr is 'Traceback (most recent call last):\n File \x1b[35m"test_frozenmain.py"\x1b[0m, line \x1b[35m4\x1b[0m, in \x1b[35m<module>\x1b[0m\n\x1b[1;35mNameError\x1b[0m: \x1b[35mname \'sys\' is not defined. Did you forget to import \'sys\'?\x1b[0m\n'
macOS / build and test (macos-26)
Process completed with exit code 2.
test_trace: Lib/test/test_trace.py#L1
test_trace worker non-zero exit code
test_frozenmain (test.test_embed.MiscTests.test_frozenmain): Lib/test/test_embed.py#L168
AssertionError: 1 != 0 : bad returncode 1, stderr is 'Traceback (most recent call last):\n File \x1b[35m"test_frozenmain.py"\x1b[0m, line \x1b[35m4\x1b[0m, in \x1b[35m<module>\x1b[0m\n\x1b[1;35mNameError\x1b[0m: \x1b[35mname \'sys\' is not defined. Did you forget to import \'sys\'?\x1b[0m\n'
Sanitizers / TSan
Process completed with exit code 2.
test_frozenmain (test.test_embed.MiscTests.test_frozenmain): Lib/test/test_embed.py#L168
AssertionError: 1 != 0 : bad returncode 1, stderr is 'Traceback (most recent call last):\n File \x1b[35m"test_frozenmain.py"\x1b[0m, line \x1b[35m4\x1b[0m, in \x1b[35m<module>\x1b[0m\n\x1b[1;35mNameError\x1b[0m: \x1b[35mname \'sys\' is not defined. Did you forget to import \'sys\'?\x1b[0m\n'
Sanitizers / ASan
Process completed with exit code 2.
test_trace: Lib/test/test_trace.py#L1
test_trace worker non-zero exit code
test_frozenmain (test.test_embed.MiscTests.test_frozenmain): Lib/test/test_embed.py#L168
AssertionError: 1 != 0 : bad returncode 1, stderr is 'Traceback (most recent call last):\n File \x1b[35m"test_frozenmain.py"\x1b[0m, line \x1b[35m4\x1b[0m, in \x1b[35m<module>\x1b[0m\n\x1b[1;35mNameError\x1b[0m: \x1b[35mname \'sys\' is not defined. Did you forget to import \'sys\'?\x1b[0m\n'
macOS / build and test (macos-26-intel)
Process completed with exit code 2.
test_trace: Lib/test/test_trace.py#L1
test_trace worker non-zero exit code
test_frozenmain (test.test_embed.MiscTests.test_frozenmain): Lib/test/test_embed.py#L168
AssertionError: 1 != 0 : bad returncode 1, stderr is 'Traceback (most recent call last):\n File \x1b[35m"test_frozenmain.py"\x1b[0m, line \x1b[35m4\x1b[0m, in \x1b[35m<module>\x1b[0m\n\x1b[1;35mNameError\x1b[0m: \x1b[35mname \'sys\' is not defined. Did you forget to import \'sys\'?\x1b[0m\n'
Sanitizers / UBSan
Process completed with exit code 2.
test_trace: Lib/test/test_trace.py#L1
test_trace worker non-zero exit code
test_monitoring: Lib/test/test_monitoring.py#L1
test_monitoring worker non-zero exit code
test_frozenmain (test.test_embed.MiscTests.test_frozenmain): Lib/test/test_embed.py#L168
AssertionError: 1 != 0 : bad returncode 1, stderr is 'Traceback (most recent call last):\n File \x1b[35m"test_frozenmain.py"\x1b[0m, line \x1b[35m4\x1b[0m, in \x1b[35m<module>\x1b[0m\n\x1b[1;35mNameError\x1b[0m: \x1b[35mname \'sys\' is not defined. Did you forget to import \'sys\'?\x1b[0m\n'
Android (x86_64)
Process completed with exit code 1.
Ubuntu (bolt) / build and test (ubuntu-26.04)
Process completed with exit code 2.
test_trace: Lib/test/test_trace.py#L1
test_trace worker non-zero exit code
test_frozenmain (test.test_embed.MiscTests.test_frozenmain): Lib/test/test_embed.py#L168
AssertionError: 1 != 0 : bad returncode 1, stderr is 'Traceback (most recent call last):\n File \x1b[35m"test_frozenmain.py"\x1b[0m, line \x1b[35m4\x1b[0m, in \x1b[35m<module>\x1b[0m\n\x1b[1;35mNameError\x1b[0m: \x1b[35mname \'sys\' is not defined. Did you forget to import \'sys\'?\x1b[0m\n'
iOS
Process completed with exit code 1.
Sanitizers / MSan
Process completed with exit code 2.
test_trace: Lib/test/test_trace.py#L1
test_trace worker non-zero exit code
test_frozenmain (test.test_embed.MiscTests.test_frozenmain): Lib/test/test_embed.py#L168
AssertionError: 1 != 0 : bad returncode 1, stderr is 'Traceback (most recent call last):\n File \x1b[35m"test_frozenmain.py"\x1b[0m, line \x1b[35m4\x1b[0m, in \x1b[35m<module>\x1b[0m\n\x1b[1;35mNameError\x1b[0m: \x1b[35mname \'sys\' is not defined. Did you forget to import \'sys\'?\x1b[0m\n'
All required checks pass
Process completed with exit code 1.
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Cross build Linux: Python/specialize.c#L375
unused variable ‘generic’ [-Wunused-variable]
Ubuntu (installed) / build, install and test: Python/specialize.c#L375
unused variable ‘generic’ [-Wunused-variable]
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
macOS / build and test (macos-26)
`$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!
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"
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.
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 (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 (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"
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
sha256:467e75ef1f7f3b239689346ce05fa0a384d24b31dc118d53c93ed72c57f2055f
MSan-logs-default
209 Bytes
sha256:8481092b62106d58350fe1925c82c4878fdf6326a621f0e050a31fcc1febd7ee
UBSan-logs-default
1.69 KB
sha256:558bb71a923c0cf363d93048798d35492e638e07fe4fc92c0a0b0c5e2922def9