rustup

Spec sheet

Purpose

rustup installs Rust from official release channels and lets users switch between stable, beta, and nightly compilers and keep them updated.Read 7 Oct 2026 · rust-lang.github.io

Support

The installer site directs users who need help to the Rust community.Read 7 Oct 2026 · rustup.rs

License

The project is licensed under either Apache License 2.0 or MIT, at the user's option.Read 7 Oct 2026 · github.com

Cross-compilation

rustup can install standard library components for other targets with the rustup target add command.Read 7 Oct 2026 · rust-lang.github.io

Cross-compilation limit

Installing a target with rustup adds its Rust standard library, but cross-compilation may also require tools such as a linker or the Android NDK.Read 7 Oct 2026 · rust-lang.github.io

Nightly caveat

Nightly toolchains may fail to build or may lack non-default components for a given date and target.Read 7 Oct 2026 · rust-lang.github.io

Package integrations

The installation guide describes package-manager routes including APT, Homebrew, pacman, and DNF.Read 7 Oct 2026 · rust-lang.github.io

Package manager support

The rustup project says it does not maintain the packages listed for third-party package managers and directs package-related problems to their maintainers.Read 7 Oct 2026 · rust-lang.github.io

Project pinning

Projects can select a toolchain with a rust-toolchain.toml or rust-toolchain file.Read 7 Oct 2026 · rust-lang.github.io

Shell completion

rustup can generate completion scripts for Bash, Fish, Zsh, and PowerShell.Read 7 Oct 2026 · rust-lang.github.io

Supported systems

The installer site lists Windows, Linux, macOS, FreeBSD, NetBSD, Solaris, and illumos as supported systems.Read 7 Oct 2026 · rustup.rs

Toolchain management

rustup manages multiple Rust toolchains through a single set of command proxies in ~/.cargo/bin.Read 7 Oct 2026 · rust-lang.github.io

Toolchain overrides

Users can select toolchains with command-line shorthand, an environment variable, directory overrides, a toolchain file, or a global default.Read 7 Oct 2026 · rust-lang.github.io

Windows setup

The default Windows toolchain uses the MSVC ABI and requires Visual Studio for its linker and libraries.Read 7 Oct 2026 · rust-lang.github.io

Plans and prices

Every rustup plan and price →

Where Specifiction places it

• Development Environment Managers#37 of 507.4