ERROR: test_lock (test.test_multiprocessing_forkserver.test_misc.TestForkAwareThreadLock.test_lock)
FAIL: test_random_files (test.test_tokenize.TestRoundtrip.test_random_files) (file='/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/test_epoll.py')
FAIL: test_random_files (test.test_tokenize.TestRoundtrip.test_random_files) (file='/root/buildarea/3.x.angelico-debian-amd64/build/Lib/test/test_mailbox.py')
Fatal Python error: Aborted
FAIL: test_sumprod_stress (test.test_math.MathTests.test_sumprod_stress)
Re-running test.test_multiprocessing_forkserver.test_misc in verbose mode (matching: test_lock)
Re-running test.test_concurrent_futures.test_thread_pool in verbose mode
Warning -- threading._dangling was modified by test.test_concurrent_futures.test_thread_pool
Warning --   Before: {<weakref at 0x7f7947b8dbe0; to 'threading._MainThread' at 0x7f794826c5e0>}
Warning --   After:  {<weakref at 0x7f7947b8e200; to 'threading.Thread' at 0x7f7947289820>, <weakref at 0x7f7947b8e270; to 'threading._MainThread' at 0x7f794826c5e0>}
Re-running test_tokenize in verbose mode (matching: test_random_files, test_random_files)
Re-running test_math in verbose mode (matching: test_sumprod_stress)