Rollup merge of #57174 - linclark:patch-1, r=varkor
Rollup merge of #57174 - linclark:patch-1, r=varkor

Update link to rustc guide

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