these 8 derivations will be built:
  /nix/store/62m6kmyi7vxw69jl3pgd8agqzyk0b3sa-etc.drv
  /nix/store/5fvmq3bjz4wg6kq9p1m1znmh1l3n6zjb-activate.drv
  /nix/store/5zn9lfc113n9v71irakwarxl8zqj5ay6-nixos-system-server-test.drv
  /nix/store/brhdwi3wn4pq0bp7f8b1hzrwvymkplkc-closure-info.drv
  /nix/store/v6d87jzdhszqz7rlijj6nk15njlkazss-run-nixos-vm.drv
  /nix/store/g3ac9hm81lyz380f63af5y4cg02w5yyd-nixos-vm.drv
  /nix/store/i1bsrm7w3jiz8wfaai4kz3gf5nwsb0fp-nixos-test-driver-pgmq-drop-queue-overload.drv
  /nix/store/dladrd71s8v243gzf5fh8qxirj6rpn7p-vm-test-run-pgmq-drop-queue-overload.drv