error[E0503]: cannot use `x` because it was mutably borrowed --> $DIR/reference-carried-through-struct-field.rs:6:5 | LL | let wrapper = Wrap { w: &mut x }; | ------ `x` is borrowed here LL | x += 1; | ^^^^^^ use of borrowed `x` LL | *wrapper.w += 1; | --------------- borrow later used here error: aborting due to previous error For more information about this error, try `rustc --explain E0503`.