error: Comparing with null is better expressed by the .is_null() method --> $DIR/cmp_null.rs:11:8 | 11 | if p == ptr::null() { | ^^^^^^^^^^^^^^^^ | = note: `-D cmp-null` implied by `-D warnings` error: Comparing with null is better expressed by the .is_null() method --> $DIR/cmp_null.rs:16:8 | 16 | if m == ptr::null_mut() { | ^^^^^^^^^^^^^^^^^^^^