these 2 derivations will be built:
  /nix/store/v868vmby8jw1n02v5gadjp68hy5db5mp-nixos-test-driver-pgaudit.drv
  /nix/store/cxwdsvyr7g9z0hpnhfaz52cj66cd52ik-vm-test-run-pgaudit.drv