these 2 derivations will be built:
  /nix/store/pfc0s97px7mdgax22svmvmjk983pca1j-nixos-test-driver-plv8.drv
  /nix/store/44vd2jqx0a0lsr1k0ny5fsm0fjvwq9dv-vm-test-run-plv8.drv