Switch ui tests to trybuild

test_suite/tests/ui/remote/wrong_de.stderr

@@ -3,11 +3,5 @@ error[E0308]: mismatched types
   |
 7 | #[derive(Deserialize)]
   |          ^^^^^^^^^^^ expected u16, found u8
-help: you can cast an `u8` to `u16`, which will zero-extend the source value
-  |
-7 | #[derive(Deserialize.into())]
-  |          ^^^^^^^^^^^^^^^^^^
-
-error: aborting due to previous error
 
 For more information about this error, try `rustc --explain E0308`.