structuredAttrs is enabled

trying https://repo1.maven.org/maven2/io/opentracing/opentracing-api/0.33.0/opentracing-api-0.33.0.jar
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  18189 100  18189   0      0 165.0k      0                              0