structuredAttrs is enabled

trying https://static.crates.io/crates/curve25519-dalek/5.0.0-pre.6/download
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
 40 338.8k  40 137.4k   0      0 112.3k      0   00:03   00:01   00:02 136.4k
100 338.8k 100 338.8k   0      0 193.3k      0   00:01   00:01         136.4k
100 338.8k 100 338.8k   0      0 193.3k      0   00:01   00:01         136.4k
100 338.8k 100 338.8k   0      0 193.3k      0   00:01   00:01         136.4k