error[E0732]: `#[repr(inttype)]` must be specified for enums with explicit discriminants and non-unit variants
  --> $DIR/arbitrary_enum_discriminant-no-repr.rs:5:1
   |
LL | enum Enum {
   | ^^^^^^^^^
LL |
LL |     Unit = 1,
   |            - explicit discriminant specified here
LL |     Tuple(),
   |     ----- non-unit discriminant declared here

error[E0732]: `#[repr(inttype)]` must be specified for enums with explicit discriminants and non-unit variants
  --> $DIR/arbitrary_enum_discriminant-no-repr.rs:14:1
   |
LL | enum Enum2 {
   | ^^^^^^^^^^
LL |
LL |     Tuple() = 2,
   |               - explicit discriminant on non-unit variant specified here

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0732`.