error: wildcard match will miss any future added variants
  --> $DIR/match_wildcard_for_single_variants.rs:24:9
   |
LL |         _ => {},
   |         ^ help: try this: `Foo::C`
   |
   = note: `-D clippy::match-wildcard-for-single-variants` implied by `-D warnings`

error: wildcard match will miss any future added variants
  --> $DIR/match_wildcard_for_single_variants.rs:34:9
   |
LL |         _ => {},
   |         ^ help: try this: `Color::Blue`

error: wildcard match will miss any future added variants
  --> $DIR/match_wildcard_for_single_variants.rs:42:9
   |
LL |         _ => {},
   |         ^ help: try this: `Color::Blue`

error: wildcard match will miss any future added variants
  --> $DIR/match_wildcard_for_single_variants.rs:48:9
   |
LL |         _ => {},
   |         ^ help: try this: `Color::Blue`

error: aborting due to 4 previous errors