this derivation will be built:
  /nix/store/qh3fpas07zl9bpxkrwka9sh3v9a5mm6m-inputDerivation-effect-docs.drv
building '/nix/store/qh3fpas07zl9bpxkrwka9sh3v9a5mm6m-inputDerivation-effect-docs.drv'...