{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"self.dcx().struct_span_err(span,"}]}
            self.dcx().struct_span_err(span, format!("expected `;` or `]`, found {}", token_descr));
        let mut err =
        err.span_label(span, "expected `;` or `]`");