src/test/ui/unsized-locals/by-value-trait-object-safety.stderr

   1 error: the `foo` method cannot be invoked on a trait object
   2   --> $DIR/by-value-trait-object-safety.rs:18:7
   3    |
   4 LL |     fn foo(self) -> String where Self: Sized;
   5    |                                        ----- this has a `Sized` requirement
   6 ...
   7 LL |     x.foo();
   8    |       ^^^
   9
  10 error: aborting due to previous error
  11