Update display of contents of Cargo.toml
Update display of contents of Cargo.toml

The display of the contents of the Cargo.toml file needs to be updated, in keeping with the Rust 2018 edition.
nipunn1313/cargo,rustyhorde/cargo,rust-lang/cargo,rust-lang/cargo,eminence/cargo,tsurai/cargo,tsurai/cargo,rustyhorde/cargo,eminence/cargo,eminence/cargo,vojtechkral/cargo,tshepang/cargo,rustyhorde/cargo,tsurai/cargo,nipunn1313/cargo,rustyhorde/cargo,tshepang/cargo,eminence/cargo,tsurai/cargo,tshepang/cargo,vojtechkral/cargo,rust-lang/cargo,vojtechkral/cargo,rust-lang/cargo,nipunn1313/cargo,tsurai/cargo,vojtechkral/cargo,nipunn1313/cargo,tshepang/cargo