error: literal out of range for `u8`
 --> tests/build_fail/bseq_fail_hex_expr_u8_overflow.rs:4:23
  |
4 |     let _: u8 = bseq!(0x0:9);
  |                       ^^^
  |
  = note: the literal `0x0` (decimal `511`) does not fit into the type `u8` and will become `255u8`
  = help: consider using the type `u16` instead
  = note: `#[deny(overflowing_literals)]` on by default