this derivation will be built:
  /nix/store/d17f2knkfnw41gxi9l6y3rvx30xh4n25-inputDerivation-effect-docs.drv
building '/nix/store/d17f2knkfnw41gxi9l6y3rvx30xh4n25-inputDerivation-effect-docs.drv'...