this derivation will be built:
  /nix/store/c1q2cjwf21a3rgps8q7bw750czax1nwk-inputDerivation-effect-docs.drv
building '/nix/store/c1q2cjwf21a3rgps8q7bw750czax1nwk-inputDerivation-effect-docs.drv'...