error[E0309]: the parameter type `T` may not live long enough
  --> $DIR/min-choice-reject-ambiguous.rs:17:5
   |
LL |     type_test::<'_, T>() // This should pass if we pick 'b.
   |     ^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds
   |
help: consider adding an explicit lifetime bound...
   |
LL |     T: 'b + 'a,
   |           ++++

error[E0309]: the parameter type `T` may not live long enough
  --> $DIR/min-choice-reject-ambiguous.rs:28:5
   |
LL |     type_test::<'_, T>() // This should pass if we pick 'c.
   |     ^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds
   |
help: consider adding an explicit lifetime bound...
   |
LL |     T: 'c + 'a,
   |           ++++

error[E0700]: hidden type for `impl Cap<'b> + Cap<'c>` captures lifetime that does not appear in bounds
  --> $DIR/min-choice-reject-ambiguous.rs:39:5
   |
LL | fn test_ambiguous<'a, 'b, 'c>(s: &'a u8) -> impl Cap<'b> + Cap<'c>
   |                   --                        ---------------------- opaque type defined here
   |                   |
   |                   hidden type `&'a u8` captures the lifetime `'a` as defined here
...
LL |     s
   |     ^
   |
help: to declare that `impl Cap<'b> + Cap<'c>` captures `'a`, you can add an explicit `'a` lifetime bound
   |
LL | fn test_ambiguous<'a, 'b, 'c>(s: &'a u8) -> impl Cap<'b> + Cap<'c> + 'a
   |                                                                    ++++

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0309, E0700.
For more information about an error, try `rustc --explain E0309`.