these 2 derivations will be built:
  /nix/store/09way9rl5slf5v6wn41r0v17znfzb2dq-nixos-test-driver-pgsodium.drv
  /nix/store/f7w64qjmlwf2dikrrnicp0l6mpqqdqh4-vm-test-run-pgsodium.drv