error: useless use of `format!`
--> $DIR/format.rs:12:5
|
12 | format!("foo");
| ^^^^^^^^^^^^^^^ help: consider using .to_string(): `"foo".to_string()`
|
= note: `-D useless-format` implied by `-D warnings`
error: useless use of `format!`
--> $DIR/format.rs:14:5
|
14 | format!("{}", "foo");
| ^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"foo".to_string()`
|
= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
error: useless use of `format!`
--> $DIR/format.rs:17:5
|
17 | format!("{:+}", "foo"); // warn when the format makes no difference
| ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"foo".to_string()`
|
= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
error: useless use of `format!`
--> $DIR/format.rs:18:5
|
18 | format!("{:<}", "foo"); // warn when the format makes no difference
| ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `"foo".to_string()`
|
= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
error: useless use of `format!`
--> $DIR/format.rs:23:5
|
23 | format!("{}", arg);
| ^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `arg.to_string()`
|
= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
error: useless use of `format!`
--> $DIR/format.rs:26:5
|
26 | format!("{:+}", arg); // warn when the format makes no difference
| ^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `arg.to_string()`
|
= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
error: useless use of `format!`
--> $DIR/format.rs:27:5
|
27 | format!("{:<}", arg); // warn when the format makes no difference
| ^^^^^^^^^^^^^^^^^^^^^ help: consider using .to_string(): `arg.to_string()`
|
= note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
error: aborting due to 7 previous errors