structuredAttrs is enabled

trying https://github.com/gastownhall/gascity/archive/refs/tags/v1.4.2.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
100  7.00M   0  7.00M   0      0  5.64M      0           00:01          6.89M
100 14.50M   0 14.50M   0      0  6.46M      0           00:02          7.18M
100 14.96M   0 14.96M   0      0  6.56M      0           00:02          7.18M
100 14.96M   0 14.96M   0      0  6.56M      0           00:02          7.18M
100 14.96M   0 14.96M   0      0  6.56M      0           00:02          7.18M
unpacking source archive /nix/var/nix/builds/nix-80180-1428605817/download.tar.gz