src/test/ui/suggestions/issue-62843.stderr

   1 error[E0277]: expected a `FnMut<(char,)>` closure, found `String`
   2   --> $DIR/issue-62843.rs:4:32
   3    |
   4 LL |     println!("{:?}", line.find(pattern));
   5    |                                ^^^^^^^
   6    |                                |
   7    |                                expected an implementor of trait `Pattern<'_>`
   8    |                                help: consider borrowing here: `&pattern`
   9    |
  10    = note: the trait bound `String: Pattern<'_>` is not satisfied
  11    = note: required because of the requirements on the impl of `Pattern<'_>` for `String`
  12
  13 error: aborting due to previous error
  14
  15 For more information about this error, try `rustc --explain E0277`.