Switch ui tests to trybuild

test_suite/tests/ui/remote/missing_field.stderr

@@ -4,6 +4,4 @@ error[E0063]: missing field `b` in initializer of `remote::S`
 11 | #[serde(remote = "remote::S")]
    |                  ^^^^^^^^^^^ missing `b`
 
-error: aborting due to previous error
-
 For more information about this error, try `rustc --explain E0063`.