Rollup merge of #82661 - lnicola:rust-analyzer-2021-03-01, r=jonas-schievink
Rollup merge of #82661 - lnicola:rust-analyzer-2021-03-01, r=jonas-schievink

:arrow_up: rust-analyzer

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