src/test/ui/hrtb/hrtb-exists-forall-trait-invariant.stderr

error[E0277]: the trait bound `(): Trait<for<'b> fn(std::cell::Cell<&'b u32>)>` is not satisfied
  --> $DIR/hrtb-exists-forall-trait-invariant.rs:28:5
   |
LL | / fn foo<T>()
LL | | where
LL | |     T: Trait<for<'b> fn(Cell<&'b u32>)>,
LL | | {
LL | | }
   | |_- required by `foo`
...
LL |       foo::<()>();
   |       ^^^^^^^^^ the trait `Trait<for<'b> fn(std::cell::Cell<&'b u32>)>` is not implemented for `()`
   |
   = help: the following implementations were found:
             <() as Trait<fn(std::cell::Cell<&'a u32>)>>

error: aborting due to previous error

For more information about this error, try `rustc --explain E0277`.