fx download-rust-toolchain

從 toolchain.ci 下載最新綠色建構版本的 Rust 工具鍊

usage: fx download-rust-toolchain [x64|arm64]

This script downloads the latest green build of the Rust toolchain
for the specified architecture (x64 or arm64) and places
it in '//local/rust'. It also provides instructions on how to
configure your build to use this toolchain.

下載 rust-toolchain 原始碼