structuredAttrs is enabled

trying https://github.com/NixOS/nix/commit/30820a54b112f4842bdb7df28b61b2a607e54033.patch
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
100   1149 100   1149   0      0   4455      0                              0
100   1149 100   1149   0      0   4454      0                              0
100   1149 100   1149   0      0   4453      0                              0