error: re-implementing `PartialEq::ne` is unnecessary
  --> $DIR/partialeq_ne_impl.rs:18:5
   |
18 | /     fn ne(&self, _: &Foo) -> bool {
19 | |         false
20 | |     }
   | |_____^
   |
   = note: `-D clippy::partialeq-ne-impl` implied by `-D warnings`

error: aborting due to previous error