error: dereferencing a null pointer
  --> $DIR/lint-deref-nullptr.rs:15:18
   |
LL |         let ub = *(0 as *const i32);
   |                  ^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed
   |
note: the lint level is defined here
  --> $DIR/lint-deref-nullptr.rs:3:9
   |
LL | #![deny(deref_nullptr)]
   |         ^^^^^^^^^^^^^

error: dereferencing a null pointer
  --> $DIR/lint-deref-nullptr.rs:17:18
   |
LL |         let ub = *ptr::null::<i32>();
   |                  ^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed

error: dereferencing a null pointer
  --> $DIR/lint-deref-nullptr.rs:19:18
   |
LL |         let ub = *ptr::null_mut::<i32>();
   |                  ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed

error: dereferencing a null pointer
  --> $DIR/lint-deref-nullptr.rs:21:18
   |
LL |         let ub = *(ptr::null::<i16>() as *const i32);
   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed

error: dereferencing a null pointer
  --> $DIR/lint-deref-nullptr.rs:23:18
   |
LL |         let ub = *(ptr::null::<i16>() as *mut i32 as *mut usize as *const u8);
   |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed

error: dereferencing a null pointer
  --> $DIR/lint-deref-nullptr.rs:25:19
   |
LL |         let ub = &*ptr::null::<i32>();
   |                   ^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed

error: dereferencing a null pointer
  --> $DIR/lint-deref-nullptr.rs:27:19
   |
LL |         let ub = &*ptr::null_mut::<i32>();
   |                   ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed

error: dereferencing a null pointer
  --> $DIR/lint-deref-nullptr.rs:29:23
   |
LL |         ptr::addr_of!(*ptr::null::<i32>());
   |                       ^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed

error: dereferencing a null pointer
  --> $DIR/lint-deref-nullptr.rs:31:27
   |
LL |         ptr::addr_of_mut!(*ptr::null_mut::<i32>());
   |                           ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed

error: dereferencing a null pointer
  --> $DIR/lint-deref-nullptr.rs:33:36
   |
LL |         let offset = ptr::addr_of!((*ptr::null::<Struct>()).field);
   |                                    ^^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed

error: aborting due to 10 previous errors