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Summary
There appears to be an issue with memory consumption under the hood when using QEMU with Rust cargo:
rust-lang/cargo#10583.
This is causing the CI wheel workflow to run out of memory and fail for QEMU-based jobs, e.g.:
https://github.com/Qiskit/rustworkx/actions/runs/3245206601/jobs/5420102493#step:7:325
Details and comments
From the discussion on the linked issue, the workaround is to tell cargo to use the Git executable directly, rather than
libgit2
.