{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"is_ty_must_use(cx,"}]}
                    is_ty_must_use(cx, boxed, expr, span)
                ty::Adt(..) if let Some(boxed) = ty.boxed_ty() => {
                        .map(|inner| MustUsePath::Boxed(Box::new(inner)))