Add tests for documenting private items by default  in binary crates
Add tests for documenting private items by default  in binary crates

tsurai/cargo,rust-lang/cargo,rustyhorde/cargo,nipunn1313/cargo,eminence/cargo,eminence/cargo,tshepang/cargo,tsurai/cargo,vojtechkral/cargo,tshepang/cargo,eminence/cargo,rustyhorde/cargo,nipunn1313/cargo,rust-lang/cargo,tsurai/cargo,rustyhorde/cargo,vojtechkral/cargo,nipunn1313/cargo,nipunn1313/cargo,eminence/cargo,tsurai/cargo,rustyhorde/cargo,tshepang/cargo,tshepang/cargo,tsurai/cargo,vojtechkral/cargo,rust-lang/cargo,rust-lang/cargo,vojtechkral/cargo