error: expected type, found `3`
  --> $DIR/recover-from-bad-variant.rs:7:26
   |
LL |     let x = Enum::Foo(a: 3, b: 4);
   |                          ^ expecting a type here because of type ascription

error[E0532]: expected tuple struct/variant, found struct variant `Enum::Foo`
  --> $DIR/recover-from-bad-variant.rs:10:9
   |
LL |         Enum::Foo(a, b) => {}
   |         ^^^^^^^^^ did you mean `Enum::Foo { /* fields */ }`?

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0532`.