Auto merge of #28813 - arielb1:well-formed-variables, r=nikomatsakis
Auto merge of #28813 - arielb1:well-formed-variables, r=nikomatsakis

it doesn't seem to be necessary and is potentially harmful.

r? @nikomatsakis 

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