> https://travis-ci.org/python/cpython/jobs/510447290

That's a run on the master branch ("CRON").

xvfb-run ./venv/bin/python -m coverage run --pylib -m test --fail-env-changed -uall,-cpu -x test_multiprocessing_fork -x test_multiprocessing_forkserver -x test_multiprocessing_spawn -x test_concurrent_futures
== CPython 3.8.0a2+ (heads/master:a7987e7, Mar 23 2019, 23:53:10) [GCC 5.4.0 20160609]
== Linux-4.15.0-1028-gcp-x86_64-with-glibc2.17 little-endian
== cwd: /home/travis/build/python/cpython/build/test_python_26699
== CPU count: 2
== encodings: locale=UTF-8, FS=utf-8
Run tests sequentially
0:00:00 load avg: 1.49 [  1/416] test_grammar
0:00:03 load avg: 1.45 [  2/416] test_opcodes
0:00:03 load avg: 1.45 [  3/416] test_dict
0:00:12 load avg: 1.41 [  4/416] test_builtin
0:00:18 load avg: 1.35 [  5/416] test_exceptions
Exception ignored in: <function ExceptionTests.test_unraisable.<locals>.BrokenDel.__del__ at 0x7f9e77198dc0>
Traceback (most recent call last):
  File "/home/travis/build/python/cpython/Lib/test/test_exceptions.py", line 1182, in __del__
    raise exc
ValueError: del is broken
Exception ignored in: <function ExceptionTests.test_unraisable.<locals>.BrokenExceptionDel.__del__ at 0x7f9e771988c0>
Traceback (most recent call last):
  File "/home/travis/build/python/cpython/Lib/test/test_exceptions.py", line 1188, in __del__
    raise exc
test.test_exceptions.BrokenStrException: <exception str() failed>
test test_exceptions failed -- multiple errors occurred; run in verbose mode for details
0:00:22 load avg: 1.35 [  6/416/1] test_types -- test_exceptions failed
test test_types failed -- Traceback (most recent call last):
  File "/home/travis/build/python/cpython/Lib/test/test_types.py", line 1433, in test_duck_gen
    self.assertIsInstance(gen, collections.abc.Generator)
AssertionError: <MagicMock spec='GenLike' id='140318583278608'> is not an instance of <class 'collections.abc.Generator'>

0:00:25 load avg: 1.32 [  7/416/2] test_unittest -- test_types failed
test test_unittest failed -- multiple errors occurred; run in verbose mode for details
0:01:33 load avg: 1.11 [  8/416/3] test_doctest -- test_unittest failed in 1 min 7 sec
0:01:50 load avg: 1.08 [  9/416/3] test_doctest2
0:01:50 load avg: 1.08 [ 10/416/3] test_support
0:02:11 load avg: 1.05 [ 11/416/3] test___all__
0:02:31 load avg: 1.04 [ 12/416/3] test___future__
0:02:32 load avg: 1.04 [ 13/416/3] test__locale
0:02:32 load avg: 1.04 [ 14/416/3] test__opcode
0:02:34 load avg: 1.03 [ 15/416/3] test__osx_support
0:02:34 load avg: 1.03 [ 16/416/3] test__xxsubinterpreters
Warning -- threading._dangling was modified by test__xxsubinterpreters
  Before: <_weakrefset.WeakSet object at 0x7f9e7751a160>
  After:  <_weakrefset.WeakSet object at 0x7f9e752abb20> 
0:02:50 load avg: 1.03 [ 17/416/4] test_abc -- test__xxsubinterpreters failed (env changed)
0:02:51 load avg: 1.03 [ 18/416/4] test_abstract_numbers
0:02:52 load avg: 1.03 [ 19/416/4] test_aifc
0:02:55 load avg: 1.02 [ 20/416/4] test_argparse
0:05:14 load avg: 1.02 [ 21/416/4] test_array -- test_argparse passed in 2 min 19 sec
0:05:38 load avg: 1.01 [ 22/416/4] test_asdl_parser
0:05:39 load avg: 1.01 [ 23/416/4] test_ast
0:05:51 load avg: 1.01 [ 24/416/4] test_asyncgen


0:05:54 load avg: 0.93 [ 25/416/4] test_asynchat
Warning -- threading_cleanup() failed to cleanup 0 threads (count: 0, dangling: 2)
Dangling thread: <echo_server(Thread-11, stopped 140318458308352)>
(...)
Dangling thread: <echo_server(Thread-43, stopped 140318458308352)>
Dangling thread: <_MainThread(MainThread, started 140318701401856)>
Dangling thread: <echo_server(Thread-19, stopped 140318458308352)>
Warning -- threading._dangling was modified by test_asynchat
  Before: <_weakrefset.WeakSet object at 0x7f9e70f061c0>
  After:  <_weakrefset.WeakSet object at 0x7f9e6fff7af0> 


0:15:10 load avg: 0.96 [ 26/416/5] test_asyncio -- test_asynchat failed (env changed) in 9 min 15 sec
Warning -- threading_cleanup() failed to cleanup 0 threads (count: 0, dangling: 2)
Dangling thread: <_MainThread(MainThread, started 140318701401856)>
Dangling thread: <Thread(ThreadPoolExecutor-0_0, stopped daemon 140318458308352)>
Warning -- threading_cleanup() failed to cleanup 0 threads (count: 0, dangling: 6)
Dangling thread: <Thread(Thread-46, stopped 140318458308352)>
Dangling thread: <Thread(Thread-47, stopped 140318458308352)>
Dangling thread: <Thread(Thread-48, stopped 140318458308352)>
(...)
Dangling thread: <Thread(ThreadPoolExecutor-8_6, stopped daemon 140318402094848)>
Dangling thread: <Thread(QueueManagerThread, stopped daemon 140318427272960)>
Dangling thread: <Thread(ThreadPoolExecutor-8_7, stopped daemon 140317923735296)>
Dangling thread: <Thread(ThreadPoolExecutor-16_0, stopped daemon 140318427272960)>
Dangling thread: <_MainThread(MainThread, started 140318701401856)>


The job exceeded the maximum time limit for jobs, and has been terminated.