these 2 derivations will be built:
  /nix/store/df9walpkhb76jyljsmmyyj9habxcqcc3-go2nix-nix-plugin-0.1.0.drv
  /nix/store/jlrzkczrc3g1iykrag7jaxc6ixw5fsx6-go2nix-nix-plugin-eval-test.drv