Run CI tests with aarch64-apple-darwin #1366
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Apple will stop supporting Intel Mac, and Rust 1.89 has demoted the x86_64-apple-darwin toolchain to Tier 2. We instead run CI tests against aarch64-apple-darwin which is used by Mac computers with Apple silicon. Fixes: mmtk#1365
The `mimalloc-sys` crate is not actively maintained. We switch to `libmimalloc-sys` instead.
k-sareen reviewed Aug 12, 2025
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Apple will stop supporting Intel Mac, and Rust 1.89 has demoted the x86_64-apple-darwin toolchain to Tier 2. We instead run CI tests against aarch64-apple-darwin which is used by Mac computers with Apple silicon.
Fixes: #1365