Auto merge of #7528 - matthiaskrgr:nedlbrw, r=Manishearth
Auto merge of #7528 - matthiaskrgr:nedlbrw, r=Manishearth

needless_borrow: try to make lint example a bit more illustrating

changelog: none

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