message: HWY-{75,83}: make Clippy happy
diff: @@ -78,7 +78,8 @@ impl<C: Context> ConsensusProtocol<C::ConsensusValue> for HighwayProtocol<C> {
  match highway_message {
  HighwayMessage::NewVertex(v) => {
  match self.synchronizer.add_vertex(sender, v, &mut self.highway) {
  - _ => todo!(),
  + Ok(_) => todo!(),
  + Err(err) => todo!("error: {:?}", err),
  }
  }
  HighwayMessage::RequestDependency(_dep) => todo!(),
  