structuredAttrs is enabled

trying https://github.com/multica-ai/multica/archive/refs/tags/v0.5.3.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  9.28M   0  9.28M   0      0  7.27M      0           00:01          8.96M
100 16.51M   0 16.51M   0      0  7.23M      0           00:02          8.09M
100 19.79M   0 19.79M   0      0  7.22M      0           00:02          8.09M
100 19.79M   0 19.79M   0      0  7.22M      0           00:02          8.09M
100 19.79M   0 19.79M   0      0  7.22M      0           00:02          8.09M
unpacking source archive /nix/var/nix/builds/nix-96479-1045079215/download.tar.gz