error[E0308]: mismatched types
  --> $DIR/issue-27942.rs:15:5
   |
15 |     fn select(&self) -> BufferViewHandle<R>;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
   |
   = note: expected type `Resources<'_>`
              found type `Resources<'a>`
note: the anonymous lifetime #1 defined on the method body at 15:5...
  --> $DIR/issue-27942.rs:15:5
   |
15 |     fn select(&self) -> BufferViewHandle<R>;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...does not necessarily outlive the lifetime 'a as defined on the trait at 13:1
  --> $DIR/issue-27942.rs:13:1
   |
13 | pub trait Buffer<'a, R: Resources<'a>> {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0308]: mismatched types
  --> $DIR/issue-27942.rs:15:5
   |
15 |     fn select(&self) -> BufferViewHandle<R>;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ lifetime mismatch
   |
   = note: expected type `Resources<'_>`
              found type `Resources<'a>`
note: the lifetime 'a as defined on the trait at 13:1...
  --> $DIR/issue-27942.rs:13:1
   |
13 | pub trait Buffer<'a, R: Resources<'a>> {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...does not necessarily outlive the anonymous lifetime #1 defined on the method body at 15:5
  --> $DIR/issue-27942.rs:15:5
   |
15 |     fn select(&self) -> BufferViewHandle<R>;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 2 previous errors