tests/ui/lint/unused/issue-85913.stderr

   1 error: unused logical operation that must be used
   2   --> $DIR/issue-85913.rs:4:5
   3    |
   4 LL |     function() && return 1;
   5    |     ^^^^^^^^^^^^^^^^^^^^^^ the logical operation produces a value
   6    |
   7 note: the lint level is defined here
   8   --> $DIR/issue-85913.rs:1:9
   9    |
  10 LL | #![deny(unused_must_use)]
  11    |         ^^^^^^^^^^^^^^^
  12 help: use `let _ = ...` to ignore the resulting value
  13    |
  14 LL |     let _ = function() && return 1;
  15    |     +++++++
  16
  17 error: aborting due to 1 previous error
  18