this derivation will be built:
  /nix/store/rgfvxmcxjm59r0l6x3gxamaigwq2p11l-inputDerivation-effect-docs.drv
building '/nix/store/rgfvxmcxjm59r0l6x3gxamaigwq2p11l-inputDerivation-effect-docs.drv'...