error: use of `offset` with a `usize` casted to an `isize`
  --> $DIR/ptr_offset_with_cast.rs:12:17
   |
LL |         let _ = ptr.offset(offset_usize as isize);
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.add(offset_usize)`
   |
   = note: `-D clippy::ptr-offset-with-cast` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::ptr_offset_with_cast)]`

error: use of `wrapping_offset` with a `usize` casted to an `isize`
  --> $DIR/ptr_offset_with_cast.rs:16:17
   |
LL |         let _ = ptr.wrapping_offset(offset_usize as isize);
   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `ptr.wrapping_add(offset_usize)`

error: aborting due to 2 previous errors