eclips4@nixos ~/p/p/cpython (main)> ./python -m test -R 3:3 test_dataclasses
Using random seed: 315532800
0:00:00 load avg: 0.96 Run 1 test sequentially in a single process
0:00:00 load avg: 0.96 [1/1] test_dataclasses
beginning 6 repetitions. Showing number of leaks (. for 0 or less, X for 10 or more)
123:456
XFatal Python error: Segmentation fault

Current thread 0x00007f14a8f07b80 (most recent call first):
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/test_dataclasses/__init__.py", line 2217 in test_dataclasses_qualnames
  File "/home/eclips4/programming/programming-languages/cpython/Lib/unittest/case.py", line 606 in _callTestMethod
  File "/home/eclips4/programming/programming-languages/cpython/Lib/unittest/case.py", line 660 in run
  File "/home/eclips4/programming/programming-languages/cpython/Lib/unittest/case.py", line 716 in __call__
  File "/home/eclips4/programming/programming-languages/cpython/Lib/unittest/suite.py", line 122 in run
  File "/home/eclips4/programming/programming-languages/cpython/Lib/unittest/suite.py", line 84 in __call__
  File "/home/eclips4/programming/programming-languages/cpython/Lib/unittest/suite.py", line 122 in run
  File "/home/eclips4/programming/programming-languages/cpython/Lib/unittest/suite.py", line 84 in __call__
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/testresult.py", line 148 in run
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/single.py", line 57 in _run_suite
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/single.py", line 37 in run_unittest
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/single.py", line 135 in test_func
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/refleak.py", line 132 in runtest_refleak
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/single.py", line 87 in regrtest_runner
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/single.py", line 138 in _load_run_test
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/single.py", line 181 in _runtest_env_changed_exc
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/single.py", line 281 in _runtest
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/single.py", line 310 in run_single_test
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/main.py", line 363 in run_test
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/main.py", line 397 in run_tests_sequentially
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/main.py", line 541 in _run_tests
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/main.py", line 576 in run_tests
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/main.py", line 739 in main
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/libregrtest/main.py", line 747 in main
  File "/home/eclips4/programming/programming-languages/cpython/Lib/test/__main__.py", line 2 in <module>
  File "/home/eclips4/programming/programming-languages/cpython/Lib/runpy.py", line 88 in _run_code
  File "/home/eclips4/programming/programming-languages/cpython/Lib/runpy.py", line 198 in _run_module_as_main

Extension modules: _testinternalcapi (total: 1)
fish: Job 1, './python -m test -R 3:3 test_da…' terminated by signal SIGSEGV (Address boundary error)