Дизайн и реализация Cargo

Дизайн и реализация статического анализатора Clippy

Regular contributors to the Clippy linter

Docs.rs - сервис хостинга документации для крейтов

Инструменты документирования, включая Rustdoc и docs.rs

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