these 2 derivations will be built:
  /nix/store/793hh9kdq7xlnqi6mpnamx0sypfilxzg-hercules-ci-effect-sh.drv
  /nix/store/00k8yw718sw3gvhbbhbrqw65n73kkvj9-inputDerivation-ping.drv
building '/nix/store/00k8yw718sw3gvhbbhbrqw65n73kkvj9-inputDerivation-ping.drv'...