error[E0392]: parameter `'a` is never used
  --> $DIR/issue-36299.rs:1:12
   |
LL | struct Foo<'a, A> {}
   |            ^^ unused type parameter
   |
   = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`

error[E0392]: parameter `A` is never used
  --> $DIR/issue-36299.rs:1:16
   |
LL | struct Foo<'a, A> {}
   |                ^ unused type parameter
   |
   = help: consider removing `A` or using a marker such as `std::marker::PhantomData`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0392`.