.
test_atexit leaked [576, 576, 576] references, sum=1728
test_atexit leaked [12, 12, 12] memory blocks, sum=36
4 tests failed again:
    test__xxsubinterpreters test_atexit test_capi test_threading
== Tests result: FAILURE then FAILURE ==
407 tests OK.
10 slowest tests:
- test_asyncio: 36 min 43 sec
- test_multiprocessing_spawn: 25 min 23 sec
- test_concurrent_futures: 23 min 34 sec
- test_multiprocessing_forkserver: 12 min 42 sec
- test_gdb: 9 min 10 sec
- test_multiprocessing_fork: 8 min 49 sec
- test_lib2to3: 8 min 28 sec
- test_regrtest: 7 min 6 sec
- test_pickle: 6 min 41 sec
- test_zipfile: 5 min 23 sec
4 tests failed:
    test__xxsubinterpreters test_atexit test_capi test_threading