error[E0053]: method `bit` has an incompatible generic parameter for trait `Bits`
  --> $DIR/issue-86820.rs:16:12
   |
LL | trait Bits {
   |       ----
LL |     fn bit<const I: u8>(self) -> bool;
   |            ----------- expected const parameter of type `u8`
...
LL | impl Bits for u8 {
   | ----------------
LL |     fn bit<const I: usize>(self) -> bool {
   |            ^^^^^^^^^^^^^^ found const parameter of type `usize`

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0053`.