structuredAttrs is enabled

trying https://github.com/can1357/oh-my-pi/archive/refs/tags/v18.3.2.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 17.88M   0 17.88M   0      0 14.74M      0           00:01         17.86M
100 31.51M   0 31.51M   0      0 14.06M      0           00:02         15.53M
100 37.75M   0 37.75M   0      0 11.64M      0           00:03         12.46M
100 44.25M   0 44.25M   0      0 10.42M      0           00:04         10.97M
100 50.87M   0 50.87M   0      0  9.70M      0           00:05         10.11M
100 58.20M   0 58.20M   0      0  9.32M      0           00:06          8.01M
100 64.86M   0 64.86M   0      0  9.59M      0           00:06          8.01M
100 64.86M   0 64.86M   0      0  9.59M      0           00:06          8.01M
100 64.86M   0 64.86M   0      0  9.59M      0           00:06          8.01M
unpacking source archive /nix/var/nix/builds/nix-75567-650132112/download.tar.gz