The C2Rust manual is available online and is our comprehensive documentation for using and developing C2Rust.
More information about installing c2rust from crates.io is availble in this introductory blog post:
Per Larsen recently presented a talk on C2Rust at RustConf detailing both our approach to translation as well as our cross-checking approach to testing the resulting translations.
RustConf 2018 - C2Rust: Migrating Legacy Code to Rust
Eric Mertens wrote a blog post describing some of the challenges we encountered during translation of C to Rust and how C2Rust tackles them.