these 2 derivations will be built:
  /nix/store/c0b247qfbrvrz4i9023a1j2mk9c5g210-nixos-test-driver-pgsodium.drv
  /nix/store/y6jcghhw3s5v4dkhmmrbnn6nlv8nms7g-vm-test-run-pgsodium.drv