Segmentation fault during `test_fast_iter_race_with_delete` on Windows CI

[dpdani]

Seen here:

https://github.com/dpdani/cereggii/actions/runs/28902878826/job/85743505470?pr=146#step:7:100

Could not reproduce locally on macos.

[dpdani]

I believe you may be referring to a different issue? Or did we just witness a GitHub race condition?