these 2 derivations will be built:
  /nix/store/kjbhybd469cq6jlvx2n65l7x1lafhcxz-vanixiets-docs-deps-0.0.0.drv
  /nix/store/k71lflchjxd5vw12ky1xsxfs50d76nx0-vanixiets-docs-0.0.0-development.drv