1 error: the function `takes_an_immutable_reference` doesn't need a mutable reference
2 --> $DIR/mut_reference.rs:17:34
4 LL | takes_an_immutable_reference(&mut 42);
7 = note: `-D clippy::unnecessary-mut-passed` implied by `-D warnings`
9 error: the function `as_ptr` doesn't need a mutable reference
10 --> $DIR/mut_reference.rs:19:12
15 error: the method `takes_an_immutable_reference` doesn't need a mutable reference
16 --> $DIR/mut_reference.rs:23:44
18 LL | my_struct.takes_an_immutable_reference(&mut 42);
21 error: aborting due to 3 previous errors