warning: lint `single_use_lifetime` has been renamed to `single_use_lifetimes`
  --> $DIR/renamed-lints-still-apply.rs:2:9
   |
LL | #![deny(single_use_lifetime)]
   |         ^^^^^^^^^^^^^^^^^^^ help: use the new name: `single_use_lifetimes`
   |
   = note: `#[warn(renamed_and_removed_lints)]` on by default

error: lifetime parameter `'a` only used once
  --> $DIR/renamed-lints-still-apply.rs:6:9
   |
LL | fn _foo<'a>(_x: &'a u32) {}
   |         ^^       -- ...is used only here
   |         |
   |         this lifetime...
   |
note: the lint level is defined here
  --> $DIR/renamed-lints-still-apply.rs:2:9
   |
LL | #![deny(single_use_lifetime)]
   |         ^^^^^^^^^^^^^^^^^^^
help: elide the single-use lifetime
   |
LL - fn _foo<'a>(_x: &'a u32) {}
LL + fn _foo(_x: &u32) {}
   |

error: aborting due to 1 previous error; 1 warning emitted