this derivation will be built:
  /nix/store/4lkpkz0i1wv3jp4fda5m4csp2j4xz0m4-inputDerivation-effect-docs.drv
building '/nix/store/4lkpkz0i1wv3jp4fda5m4csp2j4xz0m4-inputDerivation-effect-docs.drv'...