$ cargo search cargo-clippy
Updating registry `https://github.com/rust-lang/crates.io-index`
cargo-clippy (0.2.2) A subcommand for cargo to perform linting on cargo projects. Can be used as a substitution for cargo-check.
clippy (0.0.120) A bunch of helpful lints to avoid common pitfalls in Rust
$ cargo install cargo-clippy
Updating registry `https://github.com/rust-lang/crates.io-index`
error: could not find `cargo-clippy` in `registry https://github.com/rust-lang/crates.io-index`