structuredAttrs is enabled

trying https://github.com/nix-community/nix-index-database/releases/download/2026-08-16-033510/index-x86_64-linux
  % 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
 27 97.83M  27 26.85M   0      0 21.99M      0   00:04   00:01   00:03 26.88M
 57 97.83M  57 55.85M   0      0 25.16M      0   00:03   00:02   00:01 27.95M
 86 97.83M  86 84.90M   0      0 26.37M      0   00:03   00:03         28.32M
100 97.83M 100 97.83M   0      0 26.69M      0   00:03   00:03         28.32M
100 97.83M 100 97.83M   0      0 26.69M      0   00:03   00:03         28.32M
100 97.83M 100 97.83M   0      0 26.69M      0   00:03   00:03         28.32M