error: usage of `&String::new()` for a function expecting a `&str` argument --> $DIR/unnecessary_owned_empty_strings.rs:12:22 | LL | ref_str_argument(&String::new()); | ^^^^^^^^^^^^^^ help: try: `""` | = note: `-D clippy::unnecessary-owned-empty-strings` implied by `-D warnings` error: usage of `&String::from("")` for a function expecting a `&str` argument --> $DIR/unnecessary_owned_empty_strings.rs:15:22 | LL | ref_str_argument(&String::from("")); | ^^^^^^^^^^^^^^^^^ help: try: `""` error: aborting due to 2 previous errors