Update rustfmt to rust-lang/rustfmt@d6829d
Update rustfmt to rust-lang/rustfmt@d6829d

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