this derivation will be built:
  /nix/store/yq0kiqqfpykpg5i4c9nx23hpbkn8hl27-inputDerivation-effect-docs.drv
building '/nix/store/yq0kiqqfpykpg5i4c9nx23hpbkn8hl27-inputDerivation-effect-docs.drv'...