this derivation will be built:
  /nix/store/9zv832bp6q6x7m5syq0vqixi5h7d1d9b-inputDerivation-effect-docs.drv
building '/nix/store/9zv832bp6q6x7m5syq0vqixi5h7d1d9b-inputDerivation-effect-docs.drv'...