these 2 derivations will be built:
  /nix/store/bdszycck45yb370fzm0mg3ylw0g8hsx5-nixos-test-driver-pgsodium.drv
  /nix/store/zk9yvvfq5m1spvkgdyyrcwngwn9zy055-vm-test-run-pgsodium.drv