Area: [build-dependencies]
Area: anything dealing with executing the compiler
Area: build system integration
Area: issues with building cargo
Area: caching of compiler messages
Area: caching of dependencies, repositories, and build artifacts
Area: cargo-the-library API and internal code issues
Area: selection and definition of targets (lib, bins, examples, tests, benches)
Area: Platform cfg expressions
Area: Command-line interface, option parsing, etc.
Area: built-in command-line help
Area: --config CLI option
Area: `[profile]` in cargo config files
Area: cargo config files and env vars
Area: Terminal output, colors, progress bar, etc.
Area: [dependencies] of any kind
Area: crate-type declaration (lib, staticlib, dylib, cdylib, etc.)
Area: credential provider for storing and retreiving credentials
Area: using --target flag for other platforms
Area: custom 3rd party subcommand plugins
Area: debug builds and debugging generated code
Area: debugging cargo itself
Area: dependency resolution and the resolver
Area: Error and warning messages generated by Cargo itself.