| - value moved here
LL | consume(b);
| ^ value used here after move
+ |
+note: consider changing this parameter type in function `consume` to borrow instead if owning the value isn't necessary
+ --> $DIR/borrowck-consume-upcast-box.rs:5:15
+ |
+LL | fn consume(_: Box<dyn Foo>) {
+ | ------- ^^^^^^^^^^^^ this parameter takes ownership of the value
+ | |
+ | in this function
error: aborting due to previous error