these 5 derivations will be built:
  /nix/store/jpp7a8xb3rrvc7aj3vkpsgfirqm7hjpl-closure-info.drv
  /nix/store/8l57a831fnjk1wy7ll9kx1dpz3skla5d-run-nixos-vm.drv
  /nix/store/7qdbc5lhbqnf4rz45nblym044w7w0qnx-nixos-vm.drv
  /nix/store/n5i4fpcxp16c36wd2hmy5dal61qv59na-nixos-test-driver-site.drv
  /nix/store/260lnn0zdzzk33yn522s0w090mp8gjj2-vm-test-run-site.drv