The Buildbot has detected a new failure on builder x86-64 macOS 3.x while building python/cpython. Full details are available at: https://buildbot.python.org/all/#builders/366/builds/627

Buildbot URL: https://buildbot.python.org/all/

Worker for this Build: billenstein-macos

Build Reason: <unknown> Blamelist: Brandt Bucher <brandt@python.org>

BUILD FAILED: failed test (failure)

Summary of the results of the build (if available):

== Tests result: FAILURE then FAILURE ==

408 tests OK.

10 slowest tests:

• test_unparse: 7 min 50 sec
• test_concurrent_futures: 4 min 16 sec
• test_multiprocessing_spawn: 3 min 3 sec
• test_tokenize: 2 min 46 sec
• test_lib2to3: 2 min 25 sec
• test_unicodedata: 2 min 16 sec
• test_multiprocessing_forkserver: 1 min 55 sec
• test_capi: 1 min 53 sec
• test_asyncio: 1 min 46 sec
• test_venv: 1 min 25 sec

1 test failed: test_importlib

18 tests skipped: test_devpoll test_epoll test_gdb test_ioctl test_msilib test_multiprocessing_fork test_ossaudiodev test_smtpnet test_spwd test_ssl test_startfile test_tix test_tk test_ttk_guionly test_winconsoleio test_winreg test_winsound test_zipfile64

Total duration: 40 min 19 sec

Captured traceback

Traceback (most recent call last): Traceback (most recent call last): Traceback (most recent call last): Traceback (most recent call last): Traceback (most recent call last): Traceback (most recent call last): Traceback (most recent call last): Traceback (most recent call last): Traceback (most recent call last): File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/test/test_importlib/partial/pool_in_threads.py", line 9, in t with multiprocessing.Pool(1): ^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/multiprocessing/context.py", line 119, in Pool File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/multiprocessing/pool.py", line 212, in __init__ self._repopulate_pool() ^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/multiprocessing/pool.py", line 303, in _repopulate_pool return self._repopulate_pool_static(self._ctx, self.Process, ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/multiprocessing/pool.py", line 326, in _repopulate_pool_static w.start() ^^^^^^^^^ File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/multiprocessing/process.py", line 121, in start self._popen = self._Popen(self) ^^^^^^^^^^^^^^^^^ File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/multiprocessing/context.py", line 284, in _Popen return Popen(process_obj) ^^^^^^^^^^^^^^^^^^ File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/multiprocessing/popen_spawn_posix.py", line 32, in __init__ super().__init__(process_obj) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/multiprocessing/popen_fork.py", line 19, in __init__ self._launch(process_obj) ^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/multiprocessing/popen_spawn_posix.py", line 53, in _launch parent_r, child_w = os.pipe() ^^^^^^^^^ OSError: [Errno 24] Too many open files /Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/multiprocessing/resource_tracker.py:224: UserWarning: resource_tracker: There appear to be 86 leaked semaphore objects to clean up at shutdown warnings.warn('resource_tracker: There appear to be %d '

Traceback (most recent call last): File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/test/test_importlib/test_threaded_import.py", line 258, in test_multiprocessing_pool_circular_import script_helper.assert_python_ok(fn) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/test/support/script_helper.py", line 160, in assert_python_ok return _assert_python(True, *args, **env_vars) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/test/support/script_helper.py", line 145, in _assert_python res.fail(cmd_line) ^^^^^^^^^^^^^^^^^^ File "/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/test/support/script_helper.py", line 72, in fail raise AssertionError("Process return code is %d\n" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ AssertionError: Process return code is 1 command line: ['/Users/buildbot/buildarea/3.x.billenstein-macos/build/python.exe', '-X', 'faulthandler', '-I', '/Users/buildbot/buildarea/3.x.billenstein-macos/build/Lib/test/test_importlib/partial/pool_in_threads.py']

Test report

Failed tests:

• test_importlib

Failed subtests:

• test_multiprocessing_pool_circular_import - test.test_importlib.test_threaded_import.ThreadedImportTests

Sincerely, -The Buildbot