these 2 derivations will be built:
  /nix/store/qz2chybzp450macb1h3qnldds5y8r9md-nixos-test-driver-pgaudit.drv
  /nix/store/l6byfwppyw72gyfrc4idf37r6s8dlrz9-vm-test-run-pgaudit.drv