error: variant is never constructed: `Variant1`
  --> $DIR/unused-variant.rs:5:5
   |
LL |     Variant1,
   |     ^^^^^^^^
   |
note: the lint level is defined here
  --> $DIR/unused-variant.rs:1:9
   |
LL | #![deny(dead_code)]
   |         ^^^^^^^^^
note: `Enum` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
  --> $DIR/unused-variant.rs:3:10
   |
LL | #[derive(Clone)]
   |          ^^^^^
   = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to previous error