{"ast_node_type":"other","tokens":[{"end":31,"kind":"keyword","start":0,"text":"assert!(fn_ty.is_fn());"}]}
        assert!(fn_ty.is_fn());
        let fn_ty = inst.ty(tcx, ty::TypingEnv::fully_monomorphized());
        adjust_activity_to_abi(tcx, fn_ty, &mut input_activities);