rustup

Rust toolchain installer. Install, manage, and update Rust toolchains. More information: https://github.com/rust-lang/rustup.rs.

Install the nightly toolchain for your system:

rustup install nightly
Switch the default toolchain to nightly so that the cargo and rustc commands will use it:

rustup default nightly
Use the nightly toolchain when inside the current project, but leave global settings unchanged:

rustup override set nightly
Update all toolchains:

rustup update
List installed toolchains:

rustup show
Run cargo build with a certain toolchain:

rustup run {{toolchain_name}} cargo build
Open the local rust documentation in the default web browser:

rustup doc