this derivation will be built:
  /nix/store/kimdx10pfddi0r3y0p9w0wm4zy2lnsnk-inputDerivation-effect-docs-pages.drv
building '/nix/store/kimdx10pfddi0r3y0p9w0wm4zy2lnsnk-inputDerivation-effect-docs-pages.drv'...