these 2 derivations will be built:
  /nix/store/f4bhhk04w8hffqd1x35xnxjvj0rg91ik-llm-agents-site.drv
  /nix/store/y2hg8lxc7xq2b0rrxwxxma1ysw0v7w7n-check-site.drv