Cargo — Rust's Package Manager In-Depth Reference

Comprehensive reference for the cargo CLI (https://doc.rust-lang.org/cargo/), covering the manifest format, dependency specification, the features system and resolver, workspaces, build profiles, build scripts, configuration, registries and publishing, environment variables, the lockfile and cache layout, and the full command reference.

Data Flow

Cargo.toml (manifest)
  → dependency resolver (registry index + Cargo.lock)
    → fetch (registry cache / git / path / vendor)
      → build scripts (build.rs, OUT_DIR)
        → rustc / rustdoc (per profile, per target)
          → target/<profile>/  (artifacts)
            → run / test / bench / install

Sub-Resources

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