[test-bot] pip install --pre is failing

[github-actions]

The --pre Test workflow failed on 2024-08-31 12:21 UTC

The most recent failing test was on windows-latest py3.12 pyqt6
with commit: 6e292a8

Full run: https://github.com/napari/napari/actions/runs/10645077004

(This post will be updated if another test fails, as long as this issue remains open.)

[jni]

Here's the error message before I restart the run:

  napari/_qt/widgets/_tests/test_qt_dims.py ..........Fatal Python error: Aborted
  
  Thread 0x00007ff1caffe640 (most recent call first):
    File "/opt/hostedtoolcache/Python/3.12.4/x64/lib/python3.12/threading.py", line 359 in wait
    File "/opt/hostedtoolcache/Python/3.12.4/x64/lib/python3.12/threading.py", line 655 in wait
    File "/home/runner/work/napari/napari/napari/_qt/widgets/qt_dims_slider.py", line 603 in work
    File "/home/runner/work/napari/napari/napari/_qt/widgets/qt_dims_slider.py", line 553 in run
  
  Thread 0x00007ff241271640 (most recent call first):
    File "/opt/hostedtoolcache/Python/3.12.4/x64/lib/python3.12/threading.py", line 355 in wait
    File "/opt/hostedtoolcache/Python/3.12.4/x64/lib/python3.12/multiprocessing/queues.py", line 251 in _feed
    File "/opt/hostedtoolcache/Python/3.12.4/x64/lib/python3.12/threading.py", line 1010 in run
    File "/opt/hostedtoolcache/Python/3.12.4/x64/lib/python3.12/threading.py", line 1073 in _bootstrap_inner
    File "/opt/hostedtoolcache/Python/3.12.4/x64/lib/python3.12/threading.py", line 1030 in _bootstrap
  
  Current thread 0x00007ff2c4148b80 (most recent call first):
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pytestqt/plugin.py", line 222 in _process_events
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pytestqt/plugin.py", line 206 in pytest_runtest_teardown
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pluggy/_callers.py", line 98 in _multicall
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pluggy/_manager.py", line 120 in _hookexec
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pluggy/_hooks.py", line 513 in __call__
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/_pytest/runner.py", line 242 in <lambda>
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/_pytest/runner.py", line 341 in from_call
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/_pytest/runner.py", line 241 in call_and_report
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/_pytest/runner.py", line 137 in runtestprotocol
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/_pytest/runner.py", line 113 in pytest_runtest_protocol
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pluggy/_callers.py", line 103 in _multicall
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pluggy/_manager.py", line 120 in _hookexec
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pluggy/_hooks.py", line 513 in __call__
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/_pytest/main.py", line 362 in pytest_runtestloop
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pluggy/_callers.py", line 103 in _multicall
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pluggy/_manager.py", line 120 in _hookexec
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pluggy/_hooks.py", line 513 in __call__
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/_pytest/main.py", line 337 in _main
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/_pytest/main.py", line 283 in wrap_session
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/_pytest/main.py", line 330 in pytest_cmdline_main
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pluggy/_callers.py", line 103 in _multicall
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pluggy/_manager.py", line 120 in _hookexec
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pluggy/_hooks.py", line 513 in __call__
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/_pytest/config/__init__.py", line 175 in main
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/_pytest/config/__init__.py", line 201 in console_main
    File "/tmp/.tox/py312-linux-pyqt6-no_cov/lib/python3.12/site-packages/pytest/__main__.py", line 9 in <module>
    File "<frozen runpy>", line 88 in _run_code
    File "<frozen runpy>", line 198 in _run_module_as_main

It sounds like it won't be reproducible...

[psobolewskiPhD]

It's back...
@Czaki any way this is related to #7158 ?
The test that is crashing is one of the tests touched in that PR, and the error does appear to involve threading.

[Czaki]

This what cited @jni may be related. The most recent one is a well-known segfault.