error[E0053]: method `bit` has an incompatible const parameter type for trait
  --> $DIR/issue-86820.rs:17:18
   |
LL |     fn bit<const I : usize>(self) -> bool {
   |                  ^
   |
note: the const parameter `I` has type `usize`, but the declaration in trait `Bits::bit` has type `u8`
  --> $DIR/issue-86820.rs:12:18
   |
LL |     fn bit<const I : u8>(self) -> bool;
   |                  ^

error: aborting due to previous error

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