structuredAttrs is enabled

trying https://github.com/nix-community/nix-index-database/releases/download/2026-09-27-083517/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
  3 64.90M   3  2.45M   0      0  1.96M      0   00:33   00:01   00:32  2.45M
 43 64.90M  43 28.24M   0      0 12.55M      0   00:05   00:02   00:03 14.12M
100 64.90M 100 64.90M   0      0 21.08M      0   00:03   00:03         14.12M
100 64.90M 100 64.90M   0      0 21.08M      0   00:03   00:03         14.12M
100 64.90M 100 64.90M   0      0 21.08M      0   00:03   00:03         14.12M