How it works...

The shell script, rustup.sh, is a great way to install Rust and it is the primary way to install Rust and other components today. In fact, it is common to use the script also in CI systems to install the compiler and other tools. 

rustup is an open source project maintained by the Rust project and can be found on GitHub: https://github.com/rust-lang/rustup.rs. 

We've successfully learned how to set up our environment. Now let's move on to the next recipe.