the stage0 compiler (using incremental) Build rustc using the stage0 compiler (using incremental) This produces the stage1 compiler Build std using the stage1 compiler (cannot use incremental) This command does the following things: $ ./x.py build -i library/std
→ A-parser (Area: The parsing of Rust source code to an AST.) If you are interested in developing a rustdoc → T-rustdoc (Relevant to the rustdoc Team, which will review and decide on the PR/issue.) https://github.com/rust-lang/rust/issues There are some labels like the following: