this derivation will be built:
  /nix/store/j1z0chm3n2lnq5jdvxw9xf5p5pyb9iyn-inputDerivation-effect-docs.drv
building '/nix/store/j1z0chm3n2lnq5jdvxw9xf5p5pyb9iyn-inputDerivation-effect-docs.drv'...