src/test/ui/underscore-lifetime/dyn-trait-underscore.nll.stderr

warning: not reporting region error due to nll
  --> $DIR/dyn-trait-underscore.rs:18:14
   |
LL |     Box::new(items.iter()) //~ ERROR cannot infer an appropriate lifetime
   |              ^^^^^

warning: not reporting region error due to nll
  --> $DIR/dyn-trait-underscore.rs:18:20
   |
LL |     Box::new(items.iter()) //~ ERROR cannot infer an appropriate lifetime
   |                    ^^^^

warning: not reporting region error due to nll
  --> $DIR/dyn-trait-underscore.rs:18:5
   |
LL |     Box::new(items.iter()) //~ ERROR cannot infer an appropriate lifetime
   |     ^^^^^^^^

warning: not reporting region error due to nll
  --> $DIR/dyn-trait-underscore.rs:18:5
   |
LL |     Box::new(items.iter()) //~ ERROR cannot infer an appropriate lifetime
   |     ^^^^^^^^^^^^^^^^^^^^^^

error: unsatisfied lifetime constraints
  --> $DIR/dyn-trait-underscore.rs:16:52
   |
LL |   fn a<T>(items: &[T]) -> Box<dyn Iterator<Item=&T>> {
   |  ________________-___________________________________^
   | |                |
   | |                let's call the lifetime of this reference `'1`
LL | |     //                      ^^^^^^^^^^^^^^^^^^^^^ bound *here* defaults to `'static`
LL | |     Box::new(items.iter()) //~ ERROR cannot infer an appropriate lifetime
LL | | }
   | |_^ returning this value requires that `'1` must outlive `'static`

error: aborting due to previous error