error: Trait bound Inner: Unpin does not depend on any type or lifetime parameters
  --> $DIR/trivial_bounds.rs:15:35
   |
15 |     impl Unpin for A where Inner: Unpin {} //~ ERROR std::marker::Unpin does not depend on any type or lifetime parameters
   |                                   ^^^^^
   |
note: the lint level is defined here
  --> $DIR/trivial_bounds.rs:6:9
   |
6  | #![deny(trivial_bounds)]
   |         ^^^^^^^^^^^^^^

error: Trait bound Wrapper<Inner>: Unpin does not depend on any type or lifetime parameters
  --> $DIR/trivial_bounds.rs:23:44
   |
23 |     impl Unpin for B where Wrapper<Inner>: Unpin {} //~ ERROR std::marker::Unpin does not depend on any type or lifetime parameters
   |                                            ^^^^^