#6390·pyo3

3.15 rc 2 crash on macos

Author: davidhewittCreated Sep 6, 2026Updated Sep 6, 2026
[96](https://github.com/PyO3/pyo3/actions/runs/34028869645/job/101476023726?pr=6388#step:15:11109)
       Running tests/test_class_formatting.rs (target/debug/deps/test_class_formatting-0d403a8fc33fef35)
  
  running 7 tests
  test test_custom_complex_enum_str ... ok
  test test_custom_struct_custom_str ... ok
  error: test failed, to rerun pass `--test test_class_formatting`
  
  Caused by:
    process didn't exit successfully: `/Users/runner/work/pyo3/pyo3/target/debug/deps/test_class_formatting-0d403a8fc33fef35` (signal: 11, SIGSEGV: invalid memory reference)