{"ast_node_type":"other","tokens":[{"end":91,"kind":"keyword","start":0,"text":"Some(seg)"}]}
            Some(seg) if seg.ident.span.is_rust_2015() && self.tcx.sess.is_rust_2015() => {
            // In the 2018 edition this lint is a hard error, so nothing to do
                seg.ident.name