### Problem you are trying to solve Improve UX/DX for users who want full shell-completions ### Solution you'd like [/doc/user-guide/src/installation](https://github.com/rust-lang/rustup/blob/master/doc/user-guide/src/installation/index.md) should include shell-completions (at `#enable-tab-completion-for-bash-fish-zsh-or-powershell`) for `cargo` too. ### Notes _No response_