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Install, manage, and update Rust toolchains. Some subcommands, such as toolchain, target, update, etc. have their own usage documentation. More information:

  • 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}} cargo build

  • Open the local Rust documentation in the default web browser:

rustup doc