Cargo & Dependencies

Cargo is Rust’s package manager, build orchestrator, dependency resolver, and publishing client; this map groups the atomic notes for manifests, dependency resolution, features, workspaces, release hygiene, and supply-chain practice.

Concepts

• Cargo.toml Manifest
• Dependencies and Version Requirements
• Semantic Versioning
• Feature Flags
• Feature Resolver
• Cargo Workspaces
• Build Scripts (build.rs)
• Publishing to crates.io
• Cargo.lock
• Cargo Configuration Hierarchy
• Cargo Source Overrides
• Profiles and Optimization Settings
• MSRV Policy

Patterns

• cargo-audit and cargo-deny
• Minimizing Dependencies
• Workspace Dependency Inheritance
• cargo publish, yank and owners

Antipatterns

• Overbroad Version Requirements
• Non-Additive Feature Flags

See also

Ownership · Error Handling · The Error Trait · Concurrency · Unsafe Rust · Testing · Documentation Tests

Sources

• The Cargo Book — cargo-book, https://doc.rust-lang.org/cargo/
• The Cargo Book, “The Manifest Format” — cargo-book, https://doc.rust-lang.org/cargo/reference/manifest.html
• The Cargo Book, “Specifying Dependencies” — cargo-book, https://doc.rust-lang.org/cargo/reference/specifying-dependencies.html