structuredAttrs is enabled

trying https://github.com/Mic92/nix-1/commit/e9bc07a77ddb16de5d47738e6f4b9e0188d7ed7a.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   1412 100   1412   0      0   4663      0                              0
100   1412 100   1412   0      0   4663      0                              0
100   1412 100   1412   0      0   4662      0                              0