error[E0623]: lifetime mismatch
  --> $DIR/object-lifetime-default-mybox.rs:37:5
   |
LL | fn load1<'a,'b>(a: &'a MyBox<SomeTrait>,
   |                    -------------------- this parameter and the return type are declared with different lifetimes...
LL |                 b: &'b MyBox<SomeTrait>)
LL |                 -> &'b MyBox<SomeTrait>
   |                    --------------------
LL | {
LL |     a //~ ERROR lifetime mismatch
   |     ^ ...but data from `a` is returned here

error[E0308]: mismatched types
  --> $DIR/object-lifetime-default-mybox.rs:41:11
   |
LL |     load0(ss) //~ ERROR mismatched types
   |           ^^ lifetime mismatch
   |
   = note: expected type `&MyBox<(dyn SomeTrait + 'static)>`
              found type `&MyBox<(dyn SomeTrait + 'a)>`
note: the lifetime 'a as defined on the function body at 40:10...
  --> $DIR/object-lifetime-default-mybox.rs:40:10
   |
LL | fn load2<'a>(ss: &MyBox<SomeTrait+'a>) -> MyBox<SomeTrait+'a> {
   |          ^^
   = note: ...does not necessarily outlive the static lifetime

error: aborting due to 2 previous errors

Some errors occurred: E0308, E0623.
For more information about an error, try `rustc --explain E0308`.