these 2 derivations will be built:
  /nix/store/vkvckqasacpj6r2bh8asxvwb2h0fkz6y-nixos-test-driver-pgsodium.drv
  /nix/store/xpmsdgr8wyywq30fgyhx0js7j4vmm29p-vm-test-run-pgsodium.drv