error[E0308]: mismatched types
  --> $DIR/lifetime-bound-will-change-warning.rs:34:13
   |
LL |     ref_obj(x)
   |             ^ lifetime mismatch
   |
   = note: expected reference `&Box<(dyn Fn() + 'static)>`
              found reference `&Box<(dyn Fn() + 'a)>`
note: the lifetime `'a` as defined on the function body at 32:10...
  --> $DIR/lifetime-bound-will-change-warning.rs:32:10
   |
LL | fn test2<'a>(x: &'a Box<dyn Fn() + 'a>) {
   |          ^^
   = note: ...does not necessarily outlive the static lifetime

error[E0308]: mismatched types
  --> $DIR/lifetime-bound-will-change-warning.rs:39:18
   |
LL |     lib::ref_obj(x)
   |                  ^ lifetime mismatch
   |
   = note: expected reference `&Box<(dyn Fn() + 'static)>`
              found reference `&Box<(dyn Fn() + 'a)>`
note: the lifetime `'a` as defined on the function body at 37:12...
  --> $DIR/lifetime-bound-will-change-warning.rs:37:12
   |
LL | fn test2cc<'a>(x: &'a Box<dyn Fn() + 'a>) {
   |            ^^
   = note: ...does not necessarily outlive the static lifetime

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0308`.