these 2 derivations will be built:
  /nix/store/g2b23b7mawgd1x7ps3m3083sj0dz41ik-nixos-test-driver-pgaudit.drv
  /nix/store/hz4wm2ca5gyx8m598b1c4vbf503ygi4p-vm-test-run-pgaudit.drv