this derivation will be built:
  /nix/store/2bfj9ww80vlwpa4qm47ssvy7axfb8j9n-inputDerivation-effect-docs.drv
building '/nix/store/2bfj9ww80vlwpa4qm47ssvy7axfb8j9n-inputDerivation-effect-docs.drv'...