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@wks wks commented Aug 12, 2025

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

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
@wks wks requested a review from qinsoon August 12, 2025 02:02
wks added 2 commits August 12, 2025 10:19
The `mimalloc-sys` crate is not actively maintained.  We switch to
`libmimalloc-sys` instead.
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The x86_64-apple-darwin toolchain is demoted
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