Mold

````bash
# .cargo/config.toml
[target.x86_64-apple-darwin]
     linker = "clang"
     rustflags = ["-C", "link-arg=-fuse-ld=/opt/homebrew/bin/mold"]
     [target.aarch64-apple-darwin]
     linker = "clang"
     rustflags = ["-C", "link-arg=-fuse-ld=/opt/homebrew/bin/mold"]
```

```bash
brew install mold
```