error: `0 as *const _` detected. Consider using `ptr::null()` --> $DIR/zero_ptr.rs:3:13 | LL | let x = 0 as *const usize; | ^^^^^^^^^^^^^^^^^ | = note: `-D clippy::zero-ptr` implied by `-D warnings` error: `0 as *mut _` detected. Consider using `ptr::null_mut()` --> $DIR/zero_ptr.rs:4:13 | LL | let y = 0 as *mut f64; | ^^^^^^^^^^^^^ error: aborting due to 2 previous errors