Rollup merge of #30940 - tshepang:extraneous-playpen-whitespace, r=steveklabnik
Rollup merge of #30940 - tshepang:extraneous-playpen-whitespace, r=steveklabnik

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