error: use of `.to_digit(..).is_some()`
  --> $DIR/to_digit_is_some.rs:7:13
   |
LL |     let _ = d.to_digit(8).is_some();
   |             ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `d.is_digit(8)`
   |
   = note: `-D clippy::to-digit-is-some` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::to_digit_is_some)]`

error: use of `.to_digit(..).is_some()`
  --> $DIR/to_digit_is_some.rs:8:13
   |
LL |     let _ = char::to_digit(c, 8).is_some();
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `char::is_digit(c, 8)`

error: aborting due to 2 previous errors