error: Comparing with null is better expressed by the .is_null() method --> $DIR/cmp_null.rs:11:8 | 11 | if p == ptr::null() { | ^^^^^^^^^^^^^^^^ | note: lint level defined here --> $DIR/cmp_null.rs:3:9 | 3 | #![deny(cmp_null)] | ^^^^^^^^ error: Comparing with null is better expressed by the .is_null() method --> $DIR/cmp_null.rs:16:8 | 16 | if m == ptr::null_mut() { | ^^^^^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors