src/test/ui/derive-uninhabited-enum-38885.stderr

   1 warning: variant is never constructed: `Void`
   2   --> $DIR/derive-uninhabited-enum-38885.rs:13:5
   3    |
   4 LL |     Void(Void),
   5    |     ^^^^^^^^^^
   6    |
   7    = note: `-W dead-code` implied by `-W unused`
   8    = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
   9
  10 warning: 1 warning emitted
  11