error: cannot specify lifetime arguments explicitly if late bound lifetime parameters are present
  --> $DIR/issue-60622.rs:12:11
   |
LL |     fn a(&self) {}
   |          - the late bound lifetime parameter is introduced here
...
LL |     b.a::<'_, T>();
   |           ^^
   |
note: lint level defined here
  --> $DIR/issue-60622.rs:3:9
   |
LL | #![deny(warnings)]
   |         ^^^^^^^^
   = note: #[deny(late_bound_lifetime_arguments)] implied by #[deny(warnings)]
   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
   = note: for more information, see issue #42868 <https://github.com/rust-lang/rust/issues/42868>

error[E0107]: wrong number of type arguments: expected 0, found 1
  --> $DIR/issue-60622.rs:12:15
   |
LL |     b.a::<'_, T>();
   |               ^ unexpected type argument

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0107`.