设计并实现 Cargo

设计和实现 Clippy linter

Regular contributors to the Clippy linter

crate 的文档托管服务 Docs.rs。

开发并维护包括 Rustdoc 和 docs.rs 在内的文档工具。

Contributing to Rustdoc on a regular basis

Designing and implementing rustfmt, a formatting tool for Rust code

Designing and implementing rustup

Working on the associated libraries, tooling, strategy, and integration points that support the developer experience with writing, executing, and analyzing tests