structuredAttrs is enabled

trying https://github.com/anomalyco/opencode/archive/refs/tags/v1.19.2.tar.gz
  % 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
 23 71.26M  23 16.56M   0      0 12.26M      0   00:05   00:01   00:04 16.56M
 59 71.26M  59 42.04M   0      0 17.79M      0   00:04   00:02   00:02 20.90M
 87 71.26M  87 62.43M   0      0 18.55M      0   00:03   00:03         20.71M
100 71.26M 100 71.26M   0      0 18.87M      0   00:03   00:03         20.71M
100 71.26M 100 71.26M   0      0 18.87M      0   00:03   00:03         20.71M
100 71.26M 100 71.26M   0      0 18.87M      0   00:03   00:03         20.71M
unpacking source archive /nix/var/nix/builds/nix-2037383-2512617297/download.tar.gz