these 2 derivations will be built:
  /nix/store/iqjnv0vmksmh1ap1gpzz0fdg48ypi0k6-horae-0.1.0.drv
  /nix/store/cjgi7pj3pjsypvpciqwh0z6izhf6g0aa-horae-browser-checks.drv