error[E0605]: non-primitive cast: `Something` as `*const Something` --> $DIR/issue-84213.rs:10:33 | LL | let _pointer_to_something = something as *const Something; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ invalid cast | help: borrow the value for the cast to be valid | LL | let _pointer_to_something = &something as *const Something; | ^ error[E0605]: non-primitive cast: `Something` as `*mut Something` --> $DIR/issue-84213.rs:13:37 | LL | let _mut_pointer_to_something = something as *mut Something; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ invalid cast | help: borrow the value for the cast to be valid | LL | let _mut_pointer_to_something = &mut something as *mut Something; | ^^^^ error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0605`.