error: useless use of `format!` --> $DIR/format.rs:13:5 | LL | format!("foo"); | ^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"foo".to_string();` | = note: `-D clippy::useless-format` implied by `-D warnings` error: useless use of `format!` --> $DIR/format.rs:14:5 | LL | format!("{{}}"); | ^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"{}".to_string();` error: useless use of `format!` --> $DIR/format.rs:15:5 | LL | format!("{{}} abc {{}}"); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"{} abc {}".to_string();` error: useless use of `format!` --> $DIR/format.rs:16:5 | LL | / format!( LL | | r##"foo {{}} LL | | " bar"## LL | | ); | |______^ | help: consider using `.to_string()` | LL | r##"foo {} LL | " bar"##.to_string(); | error: useless use of `format!` --> $DIR/format.rs:21:5 | LL | format!("{}", "foo"); | ^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"foo".to_string();` error: useless use of `format!` --> $DIR/format.rs:25:5 | LL | format!("{:+}", "foo"); // Warn when the format makes no difference. | ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"foo".to_string();` error: useless use of `format!` --> $DIR/format.rs:26:5 | LL | format!("{:<}", "foo"); // Warn when the format makes no difference. | ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `"foo".to_string();` error: useless use of `format!` --> $DIR/format.rs:31:5 | LL | format!("{}", arg); | ^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `arg.to_string();` error: useless use of `format!` --> $DIR/format.rs:35:5 | LL | format!("{:+}", arg); // Warn when the format makes no difference. | ^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `arg.to_string();` error: useless use of `format!` --> $DIR/format.rs:36:5 | LL | format!("{:<}", arg); // Warn when the format makes no difference. | ^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `arg.to_string();` error: useless use of `format!` --> $DIR/format.rs:63:5 | LL | format!("{}", 42.to_string()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `42.to_string();` error: useless use of `format!` --> $DIR/format.rs:65:5 | LL | format!("{}", x.display().to_string()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `x.display().to_string();` error: useless use of `format!` --> $DIR/format.rs:69:18 | LL | let _ = Some(format!("{}", a + "bar")); | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `a + "bar"` error: useless use of `format!` --> $DIR/format.rs:73:22 | LL | let _s: String = format!("{}", &*v.join("/n")); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `.to_string()`: `(&*v.join("/n")).to_string()` error: aborting due to 14 previous errors