{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"(removed,"}]}
    (removed, await_macro, "1.38.0", Some(50547),
    (removed, allow_fail, "1.60.0", Some(46488), Some("removed due to no clear use cases"), 93416),
     Some("subsumed by `.await` syntax"), 62293),