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
 22 338.8k  22  78746   0      0  46028      0   00:07   00:01   00:06  78469
 92 338.8k  92 311.9k   0      0 114.2k      0   00:02   00:02         154.2k
100 338.8k 100 338.8k   0      0 117.4k      0   00:02   00:02         154.2k
100 338.8k 100 338.8k   0      0 117.4k      0   00:02   00:02         154.2k
100 338.8k 100 338.8k   0      0 117.4k      0   00:02   00:02         154.2k