tests/ui/span/macro-span-caller-replacement.stderr

error[E0308]: mismatched types
  --> $DIR/macro-span-caller-replacement.rs:5:17
   |
LL |             s = format!("{arg}");
   |                 ^^^^^^^^^^^^^^^^ expected `&str`, found `String`
...
LL |     macro_with_format!();
   |     -------------------- in this macro invocation
   |
   = note: this error originates in the macro `format` which comes from the expansion of the macro `macro_with_format` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0308]: mismatched types
  --> $DIR/macro-span-caller-replacement.rs:7:17
   |
LL |         let s : &str;
   |                 ---- expected due to this type
...
LL |             s = String::new();
   |                 ^^^^^^^^^^^^^ expected `&str`, found `String`
...
LL |     macro_with_format!();
   |     -------------------- in this macro invocation
   |
   = note: this error originates in the macro `macro_with_format` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider borrowing here
   |
LL |             s = &String::new();
   |                 +

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0308`.