The Buildbot has detected a new failure on builder ARM64 macOS 3.9 while building python/cpython. Full details are available at: https://buildbot.python.org/all/#builders/726/builds/12

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

Worker for this Build: pablogsal-macos-m1

Build Reason: <unknown> Blamelist: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>

BUILD FAILED: failed test (failure) uploading test-results.xml (failure)

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

==

Captured traceback

Traceback (most recent call last): File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/multiprocessing/resource_tracker.py", line 201, in main cache[rtype].remove(name) KeyError: '/psm_f20968cc'

Traceback (most recent call last): File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/test/test_importlib/partial/pool_in_threads.py", line 9, in t with multiprocessing.Pool(1): File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/multiprocessing/context.py", line 119, in Pool File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/multiprocessing/pool.py", line 212, in __init__ File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/multiprocessing/pool.py", line 303, in _repopulate_pool File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/multiprocessing/pool.py", line 326, in _repopulate_pool_static File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/multiprocessing/process.py", line 121, in start File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/multiprocessing/context.py", line 284, in _Popen File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/multiprocessing/popen_spawn_posix.py", line 32, in __init__ File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/multiprocessing/popen_fork.py", line 19, in __init__ File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/multiprocessing/popen_spawn_posix.py", line 53, in _launch OSError: [Errno 24] Too many open files /Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/multiprocessing/resource_tracker.py:216: UserWarning: resource_tracker: There appear to be 120 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/3.9.pablogsal-macos-m1.macos-with-brew/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/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/test/support/script_helper.py", line 156, in assert_python_ok return _assert_python(True, *args, **env_vars) File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/test/support/script_helper.py", line 142, in _assert_python res.fail(cmd_line) File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/test/support/script_helper.py", line 70, in fail raise AssertionError("Process return code is %d\n" AssertionError: Process return code is 1 command line: ['/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/python.exe', '-X', 'faulthandler', '-I', '/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/test/test_importlib/partial/pool_in_threads.py']

Traceback (most recent call last): File "/Users/buildbot/buildarea/3.9.pablogsal-macos-m1.macos-with-brew/build/Lib/multiprocessing/resource_tracker.py", line 201, in main cache[rtype].remove(name) KeyError: '/psm_123835df'

Test report

Failed tests:

• test_importlib

Failed subtests:

• test_multiprocessing_pool_circular_import - test.test_importlib.test_threaded_import.ThreadedImportTests

Sincerely, -The Buildbot