Update Cargo.toml of rustc-workspace-hack
Update Cargo.toml of rustc-workspace-hack

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