error[E0605]: non-primitive cast: `i32` as `&(dyn Any + 'static)` --> $DIR/issue-22289.rs:2:5 | LL | 0 as &dyn std::any::Any; | ^^^^^^^^^^^^^^^^^^^^^^^ invalid cast | help: consider borrowing the value | LL | &0 as &dyn std::any::Any; | + error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0605`.