error[E0310]: the associated type `<T as Iter>::Item` may not live long enough
  --> $DIR/regions-close-associated-type-into-object.rs:15:5
   |
LL |     Box::new(item)
   |     ^^^^^^^^^^^^^^
   |     |
   |     the associated type `<T as Iter>::Item` must be valid for the static lifetime...
   |     ...so that the type `<T as Iter>::Item` will meet its required lifetime bounds
   |
help: consider adding an explicit lifetime bound
   |
LL | fn bad1<T: Iter>(v: T) -> Box<dyn X + 'static> where <T as Iter>::Item: 'static
   |                                                ++++++++++++++++++++++++++++++++

error[E0310]: the associated type `<T as Iter>::Item` may not live long enough
  --> $DIR/regions-close-associated-type-into-object.rs:22:5
   |
LL |     Box::new(item)
   |     ^^^^^^^^^^^^^^
   |     |
   |     the associated type `<T as Iter>::Item` must be valid for the static lifetime...
   |     ...so that the type `<T as Iter>::Item` will meet its required lifetime bounds
   |
help: consider adding an explicit lifetime bound
   |
LL |     where Box<T::Item> : X, <T as Iter>::Item: 'static
   |                           ++++++++++++++++++++++++++++

error[E0309]: the associated type `<T as Iter>::Item` may not live long enough
  --> $DIR/regions-close-associated-type-into-object.rs:28:5
   |
LL | fn bad3<'a, T: Iter>(v: T) -> Box<dyn X + 'a>
   |         -- the associated type `<T as Iter>::Item` must be valid for the lifetime `'a` as defined here...
...
LL |     Box::new(item)
   |     ^^^^^^^^^^^^^^ ...so that the type `<T as Iter>::Item` will meet its required lifetime bounds
   |
help: consider adding an explicit lifetime bound
   |
LL | fn bad3<'a, T: Iter>(v: T) -> Box<dyn X + 'a> where <T as Iter>::Item: 'a
   |                                               +++++++++++++++++++++++++++

error[E0309]: the associated type `<T as Iter>::Item` may not live long enough
  --> $DIR/regions-close-associated-type-into-object.rs:35:5
   |
LL | fn bad4<'a, T: Iter>(v: T) -> Box<dyn X + 'a>
   |         -- the associated type `<T as Iter>::Item` must be valid for the lifetime `'a` as defined here...
...
LL |     Box::new(item)
   |     ^^^^^^^^^^^^^^ ...so that the type `<T as Iter>::Item` will meet its required lifetime bounds
   |
help: consider adding an explicit lifetime bound
   |
LL |     where Box<T::Item> : X, <T as Iter>::Item: 'a
   |                           +++++++++++++++++++++++

error: aborting due to 4 previous errors

Some errors have detailed explanations: E0309, E0310.
For more information about an error, try `rustc --explain E0309`.