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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