error[E0308]: mismatched types
 --> $DIR/wrong_de.rs:7:10
  |
7 | #[derive(Deserialize)]
  |          ^^^^^^^^^^^
  |          |
  |          expected u16, found u8
  |          help: you can convert an `u8` to `u16`: `Deserialize.into()`

For more information about this error, try `rustc --explain E0308`.