structuredAttrs is enabled

trying https://github.com/modem-dev/hunk/archive/refs/tags/v0.20.0.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  9.68M   0  9.68M   0      0 10.31M      0                              0
100  9.68M   0  9.68M   0      0 10.31M      0                              0
100  9.68M   0  9.68M   0      0 10.31M      0                              0
unpacking source archive /nix/var/nix/builds/nix-35887-835801393/download.tar.gz