Add #[allow(unreachable_patterns)]

to suppress compiler warning

src/cmd/jsonl.rs

@@ -54,6 +54,7 @@ fn recurse_to_infer_headers(value: &Value, headers: &mut Vec<Vec<String>>, path:
 
  recurse_to_infer_headers(value, headers, new_path);
  }
+ #[allow(unreachable_patterns)]
  _ => {}
  }
  }