error: variant `Variant1` is never constructed
  --> $DIR/unused-variant.rs:5:5
   |
LL | enum Enum {
   |      ---- variant in this enum
LL |     Variant1,
   |     ^^^^^^^^
   |
   = note: `Enum` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
note: the lint level is defined here
  --> $DIR/unused-variant.rs:1:9
   |
LL | #![deny(dead_code)]
   |         ^^^^^^^^^

error: aborting due to previous error