error: lifetime may not live long enough
  --> $DIR/object-lifetime-default-mybox.rs:27:5
   |
LL | fn load1<'a,'b>(a: &'a MyBox<dyn SomeTrait>,
   |          -- -- lifetime `'b` defined here
   |          |
   |          lifetime `'a` defined here
...
LL |     a
   |     ^ function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a`
   |
   = help: consider adding the following bound: `'a: 'b`

error[E0521]: borrowed data escapes outside of function
  --> $DIR/object-lifetime-default-mybox.rs:32:5
   |
LL | fn load2<'a>(ss: &MyBox<dyn SomeTrait + 'a>) -> MyBox<dyn SomeTrait + 'a> {
   |          --  -- `ss` is a reference that is only valid in the function body
   |          |
   |          lifetime `'a` defined here
LL |     load0(ss)
   |     ^^^^^^^^^
   |     |
   |     `ss` escapes the function body here
   |     argument requires that `'a` must outlive `'static`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0521`.