| error[E0605]: non-primitive cast: `&dyn Foo` as `&dyn Bar<_>` | |
| --> $DIR/type-checking-test-1.rs:19:13 | |
| | | |
| LL | let _ = x as &dyn Bar<_>; // Ambiguous | |
| | ^^^^^^^^^^^^^^^^ an `as` expression can only be used to convert between primitive types or to coerce to a specific trait object | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0605`. |