these 7 derivations will be built:
  /nix/store/7kpvdv24nvwk1nkaas2qixifkv7j0ahh-nixos-system-server-test.drv
  /nix/store/i0gvb9qaqnz5l4q03zn6kgfapzb6d9l0-nixos-system-server-test.drv
  /nix/store/n45iyabbijrdzhan9mpmsmxb4871gyaj-closure-info.drv
  /nix/store/31s70w6lqppf9vqhr5l1hzayfjrggxdi-run-nixos-vm.drv
  /nix/store/jwmlg5aan60jiprx3ki56bzl1qqybzh8-nixos-vm.drv
  /nix/store/04kwxm5l50ls8k5pj9q9laamkq1vykq2-nixos-test-driver-pgmq.drv
  /nix/store/5dj7pbikxaxp0vvq5clq0ww7g3ikmw5s-vm-test-run-pgmq.drv