fn validate_target_name(
target: &TomlTarget,
target_kind_human: &str,
target_kind: &str,
warnings: &mut Vec<String>,
) -> CargoResult<()>
fn validate_target_name(
target: &TomlTarget,
target_kind_human: &str,
target_kind: &str,
warnings: &mut Vec<String>,
) -> CargoResult<()>