these 2 derivations will be built:
  /nix/store/cxdifz696rdnn81kd41h4yj4d46h6d15-nixos-test-driver-pgsodium.drv
  /nix/store/dpfyk5vykk56857n376bp2zqilxa0ck0-vm-test-run-pgsodium.drv