these 5 derivations will be built:
  /nix/store/qcil1jqmfdmrcq7xi1lx03xyqv2qs4pa-closure-info.drv
  /nix/store/kcirrkqzgjc7yhj96gncynkggahxbzac-run-nixos-vm.drv
  /nix/store/wv98i17587fm2ba3aa6xw4al1lxbc4n1-nixos-vm.drv
  /nix/store/z1bm55370q4fb5am5sh9a1clmxgpy04n-nixos-test-driver-site.drv
  /nix/store/r27mdpd8njy7cfl4jcb4bxq4g7ymhp7x-vm-test-run-site.drv