src/test/ui/nll/issue-61424.stderr

   1 error: variable does not need to be mutable
   2   --> $DIR/issue-61424.rs:4:9
   3    |
   4 LL |     let mut x;
   5    |         ----^
   6    |         |
   7    |         help: remove this `mut`
   8    |
   9 note: the lint level is defined here
  10   --> $DIR/issue-61424.rs:1:9
  11    |
  12 LL | #![deny(unused_mut)]
  13    |         ^^^^^^^^^^
  14
  15 error: aborting due to previous error
  16