structuredAttrs is enabled

trying https://github.com/backnotprop/plannotator/archive/refs/tags/v0.27.22.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
100 18.00M   0 18.00M   0      0 14.52M      0           00:01         17.91M
100 45.01M   0 45.01M   0      0 20.09M      0           00:02         22.45M
100 58.65M   0 58.65M   0      0 18.29M      0           00:03         22.45M
100 58.65M   0 58.65M   0      0 18.29M      0           00:03         22.45M
100 58.65M   0 58.65M   0      0 18.29M      0           00:03         22.45M
unpacking source archive /nix/var/nix/builds/nix-46053-4273976522/download.tar.gz