these 2 derivations will be built:
  /nix/store/b8sgbqmhcp4i4vfjhb4n3s12q5y6s30p-nixos-test-driver-plv8.drv
  /nix/store/05v2swfyvl8bs1crby3cf5y5xmfkd55y-vm-test-run-plv8.drv