error: literal out of range for `u8`
  --> $DIR/deny-overflowing-literals.rs:2:17
   |
LL |     let x: u8 = 256;
   |                 ^^^
   |
   = note: `#[deny(overflowing_literals)]` on by default

error: range endpoint is out of range for `u8`
  --> $DIR/deny-overflowing-literals.rs:5:14
   |
LL |     for _ in 0..256u8 {}
   |              ^^^^^^^^ help: use an inclusive range instead: `0..=255u8`

error: aborting due to 2 previous errors