{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"is_ty_must_use(cx,"}]}
                    is_ty_must_use(cx, pinned_ty, expr, span)
                    let pinned_ty = args.type_at(0);
                        .map(|inner| MustUsePath::Pinned(Box::new(inner)))