error: use of deprecated item 'Foo::foo': text
  --> $DIR/issue-17337.rs:26:6
   |
LL |     .foo(); //~ ERROR use of deprecated item
   |      ^^^
   |
note: lint level defined here
  --> $DIR/issue-17337.rs:12:9
   |
LL | #![deny(deprecated)]
   |         ^^^^^^^^^^

error: aborting due to previous error