error: trivial numeric cast: `i32` as `i32`
  --> $DIR/trivial-casts.rs:4:22
   |
LL |     let lugubrious = 12i32 as i32;
   |                      ^^^^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/trivial-casts.rs:1:24
   |
LL | #![deny(trivial_casts, trivial_numeric_casts)]
   |                        ^^^^^^^^^^^^^^^^^^^^^
   = help: cast can be replaced by coercion; this might require a temporary variable

error: trivial cast: `&u32` as `*const u32`
  --> $DIR/trivial-casts.rs:7:13
   |
LL |     let _ = haunted as *const u32;
   |             ^^^^^^^^^^^^^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/trivial-casts.rs:1:9
   |
LL | #![deny(trivial_casts, trivial_numeric_casts)]
   |         ^^^^^^^^^^^^^
   = help: cast can be replaced by coercion; this might require a temporary variable

error: aborting due to 2 previous errors