these 2 derivations will be built:
  /nix/store/qs6rzfpfhgndfs441g032c80cndr3y12-nixos-test-driver-hypopg.drv
  /nix/store/7jc2fc3j4qb9zvls8ls4idyf2v6acks2-vm-test-run-hypopg.drv