these 2 derivations will be built:
  /nix/store/pnb5k6wv3qmfrf9v0h5n9wk8k62ciqbm-llm-agents-site.drv
  /nix/store/f6rxhp91qgm7afvm0am4h6vn8z8p9a6m-check-site.drv