rust-clippy/tests/ui/format_args.stderr

error: `to_string` applied to a type that implements `Display` in `format!` args
  --> $DIR/format_args.rs:76:72
   |
LL |     let _ = format!("error: something failed at {}", Location::caller().to_string());
   |                                                                        ^^^^^^^^^^^^ help: remove this
   |
   = note: `-D clippy::to-string-in-format-args` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::to_string_in_format_args)]`

error: `to_string` applied to a type that implements `Display` in `write!` args
  --> $DIR/format_args.rs:80:27
   |
LL |         Location::caller().to_string()
   |                           ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `writeln!` args
  --> $DIR/format_args.rs:85:27
   |
LL |         Location::caller().to_string()
   |                           ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `print!` args
  --> $DIR/format_args.rs:87:63
   |
LL |     print!("error: something failed at {}", Location::caller().to_string());
   |                                                               ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `println!` args
  --> $DIR/format_args.rs:88:65
   |
LL |     println!("error: something failed at {}", Location::caller().to_string());
   |                                                                 ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `eprint!` args
  --> $DIR/format_args.rs:89:64
   |
LL |     eprint!("error: something failed at {}", Location::caller().to_string());
   |                                                                ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `eprintln!` args
  --> $DIR/format_args.rs:90:66
   |
LL |     eprintln!("error: something failed at {}", Location::caller().to_string());
   |                                                                  ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `format_args!` args
  --> $DIR/format_args.rs:91:77
   |
LL |     let _ = format_args!("error: something failed at {}", Location::caller().to_string());
   |                                                                             ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `assert!` args
  --> $DIR/format_args.rs:92:70
   |
LL |     assert!(true, "error: something failed at {}", Location::caller().to_string());
   |                                                                      ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `assert_eq!` args
  --> $DIR/format_args.rs:93:73
   |
LL |     assert_eq!(0, 0, "error: something failed at {}", Location::caller().to_string());
   |                                                                         ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `assert_ne!` args
  --> $DIR/format_args.rs:94:73
   |
LL |     assert_ne!(0, 0, "error: something failed at {}", Location::caller().to_string());
   |                                                                         ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `panic!` args
  --> $DIR/format_args.rs:95:63
   |
LL |     panic!("error: something failed at {}", Location::caller().to_string());
   |                                                               ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `println!` args
  --> $DIR/format_args.rs:96:20
   |
LL |     println!("{}", X(1).to_string());
   |                    ^^^^^^^^^^^^^^^^ help: use this: `*X(1)`

error: `to_string` applied to a type that implements `Display` in `println!` args
  --> $DIR/format_args.rs:97:20
   |
LL |     println!("{}", Y(&X(1)).to_string());
   |                    ^^^^^^^^^^^^^^^^^^^^ help: use this: `***Y(&X(1))`

error: `to_string` applied to a type that implements `Display` in `println!` args
  --> $DIR/format_args.rs:98:24
   |
LL |     println!("{}", Z(1).to_string());
   |                        ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `println!` args
  --> $DIR/format_args.rs:99:20
   |
LL |     println!("{}", x.to_string());
   |                    ^^^^^^^^^^^^^ help: use this: `**x`

error: `to_string` applied to a type that implements `Display` in `println!` args
  --> $DIR/format_args.rs:100:20
   |
LL |     println!("{}", x_ref.to_string());
   |                    ^^^^^^^^^^^^^^^^^ help: use this: `***x_ref`

error: `to_string` applied to a type that implements `Display` in `println!` args
  --> $DIR/format_args.rs:102:39
   |
LL |     println!("{foo}{bar}", foo = "foo".to_string(), bar = "bar");
   |                                       ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `println!` args
  --> $DIR/format_args.rs:103:52
   |
LL |     println!("{foo}{bar}", foo = "foo", bar = "bar".to_string());
   |                                                    ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `println!` args
  --> $DIR/format_args.rs:104:39
   |
LL |     println!("{foo}{bar}", bar = "bar".to_string(), foo = "foo");
   |                                       ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `println!` args
  --> $DIR/format_args.rs:105:52
   |
LL |     println!("{foo}{bar}", bar = "bar", foo = "foo".to_string());
   |                                                    ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `print!` args
  --> $DIR/format_args.rs:117:37
   |
LL |     print!("{}", (Location::caller().to_string()));
   |                                     ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `print!` args
  --> $DIR/format_args.rs:118:39
   |
LL |     print!("{}", ((Location::caller()).to_string()));
   |                                       ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `format!` args
  --> $DIR/format_args.rs:146:38
   |
LL |         let x = format!("{} {}", a, b.to_string());
   |                                      ^^^^^^^^^^^^ help: remove this

error: `to_string` applied to a type that implements `Display` in `println!` args
  --> $DIR/format_args.rs:160:24
   |
LL |         println!("{}", original[..10].to_string());
   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use this: `&original[..10]`

error: aborting due to 25 previous errors