1 error[E0599]: no method named `foo` found for reference `&dyn Foo` in the current scope
2 --> $DIR/issue-5153.rs:10:27
4 LL | fn foo(self: Box<Self>);
5 | --------- the method might not be found because of this arbitrary self type
7 LL | (&5isize as &dyn Foo).foo();
8 | ^^^ method not found in `&dyn Foo`
10 error: aborting due to previous error
12 For more information about this error, try `rustc --explain E0599`.