these 5 derivations will be built:
  /nix/store/6gq5zlbhaiy42r2s2xch14rlv2zk827p-closure-info.drv
  /nix/store/k6ccv5cwj3inni3xyxbmgx538pxc0bfj-run-nixos-vm.drv
  /nix/store/qfsf9qr9c14nd678jq6f30j6l0hfdr9b-nixos-vm.drv
  /nix/store/71w91805289gxq79acqzzfx64cx32b0q-nixos-test-driver-pg_graphql.drv
  /nix/store/7sim55796j0idc5rzi5imr1c4vhmkil8-vm-test-run-pg_graphql.drv