1 error[E0599]: no method named `foo` found for type `&dyn Foo` in the current scope
2 --> $DIR/issue-5153.rs:10:27
4 LL | (&5isize as &dyn Foo).foo();
7 = help: items from traits can only be used if the trait is implemented and in scope
8 = note: the following trait defines an item `foo`, perhaps you need to implement it:
11 error: aborting due to previous error
13 For more information about this error, try `rustc --explain E0599`.