warning: lint `raw_pointer_derive` has been removed: using derive with raw pointers is ok
  --> $DIR/lint-removed.rs:6:8
   |
LL | #[deny(raw_pointer_derive)]
   |        ^^^^^^^^^^^^^^^^^^
   |
   = note: `#[warn(renamed_and_removed_lints)]` on by default

error: unused variable: `unused`
  --> $DIR/lint-removed.rs:8:17
   |
LL | fn main() { let unused = (); }
   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_unused`
   |
note: the lint level is defined here
  --> $DIR/lint-removed.rs:7:8
   |
LL | #[deny(unused_variables)]
   |        ^^^^^^^^^^^^^^^^

error: aborting due to previous error; 1 warning emitted

