structuredAttrs is enabled

trying https://github.com/nix-community/nix-index-database/releases/download/2026-09-06-071918/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
 52 62.76M  52 32.99M   0      0 25.91M      0   00:02   00:01   00:01 31.42M
100 62.76M 100 62.76M   0      0 28.87M      0   00:02   00:02         31.42M
100 62.76M 100 62.76M   0      0 28.87M      0   00:02   00:02         31.42M
100 62.76M 100 62.76M   0      0 28.87M      0   00:02   00:02         31.42M