structuredAttrs is enabled

trying https://github.com/nix-community/nix-index-database/releases/download/2026-08-16-033510/index-aarch64-darwin
  % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
                                 Dload  Upload  Total   Spent   Left   Speed

  0      0   0      0   0      0      0      0                              0
  0      0   0      0   0      0      0      0                              0
  0      0   0      0   0      0      0      0                              0

  0      0   0      0   0      0      0      0                              0
 21 61.20M  21 12.93M   0      0 10.72M      0   00:05   00:01   00:04 12.92M
 71 61.20M  71 43.87M   0      0 19.67M      0   00:03   00:02   00:01 21.66M
100 61.20M 100 61.20M   0      0 23.57M      0   00:02   00:02         21.66M
100 61.20M 100 61.20M   0      0 23.57M      0   00:02   00:02         21.66M
100 61.20M 100 61.20M   0      0 23.57M      0   00:02   00:02         21.66M