this derivation will be built:
  /nix/store/nzs2fvp45y5frhn7qi7g8p9jh03cqnc2-inputDerivation-effect-docs.drv
building '/nix/store/nzs2fvp45y5frhn7qi7g8p9jh03cqnc2-inputDerivation-effect-docs.drv'...