this derivation will be built:
  /nix/store/7g53hg3w9czcxrcjrr7c5fmxfg85q44b-inputDerivation-effect-docs.drv
building '/nix/store/7g53hg3w9czcxrcjrr7c5fmxfg85q44b-inputDerivation-effect-docs.drv'...