Instead of a manual [`Process.run('cargo'...`](https://github.com/dart-lang/i18n/blob/332b1a3b1f009e4315a7807301ea0537b559151a/pkgs/intl4x/hook/build.dart#L213), use [`package:native_toolchain_rust`](https://github.com/irondash/native_toolchain_rust/blob/main/example/dart_package/hook/build.dart). fyi @knopp @dcharkes