Auto merge of #3585 - matthiaskrgr:rustup, r=phansch
Auto merge of #3585 - matthiaskrgr:rustup, r=phansch

rustup https://github.com/rust-lang/rust/pull/57069

graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust