error: literal out of range for `u8`
  --> $DIR/wrong_init_array.rs:10:34
   |
10 |     ProtocolEndianness = &[0xFF, 1000, 0xFF, 0xFF],
   |                                  ^^^^
   |
   = note: the literal `1000` does not fit into the type `u8` whose range is `0..=255`
   = note: `#[deny(overflowing_literals)]` on by default