structuredAttrs is enabled

trying https://github.com/nix-community/nix-index-database/releases/download/2026-08-23-033710/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
 33 62.93M  33 20.81M   0      0 17.04M      0   00:03   00:01   00:02 20.79M
 79 62.93M  79 50.09M   0      0 22.18M      0   00:02   00:02         24.58M
 96 62.93M  96 60.52M   0      0 18.43M      0   00:03   00:03         19.75M
100 62.93M 100 62.93M   0      0 18.15M      0   00:03   00:03         19.75M
100 62.93M 100 62.93M   0      0 18.15M      0   00:03   00:03         19.75M
100 62.93M 100 62.93M   0      0 18.15M      0   00:03   00:03         19.75M