structuredAttrs is enabled

trying https://static.crates.io/crates/ringbuffer-spsc/ringbuffer-spsc-0.1.15.crate
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed
100  12245 100  12245   0      0 397.0k      0                              0