error: use of deprecated item 'Foo::deprecated': replaced by `replacement`
  --> $DIR/suggestion.rs:27:9
   |
LL |     foo.deprecated();
   |         ^^^^^^^^^^ help: replace the use of the deprecated item: `replacement`
   |
note: the lint level is defined here
  --> $DIR/suggestion.rs:7:9
   |
LL | #![deny(deprecated)]
   |         ^^^^^^^^^^

error: aborting due to previous error