these 9 derivations will be built:
  /nix/store/hx16mwvccs3rrqk8lq7qwwnhhnpnbzjc-activate.drv
  /nix/store/99im6q20y6mnnd70hf2mpch51vavb1ij-nixos-system-server-test.drv
  /nix/store/z5d5nw6anqsmlrwvdy8721kkp3wgf7i8-activate.drv
  /nix/store/mx7rzkzh3lad56fyjw7cgawxl7n8pxai-nixos-system-server-test.drv
  /nix/store/rf0ypybf4jrpw7gjq0klyhc3xjgh8rym-closure-info.drv
  /nix/store/bfkddlvhyhm9szpsajq3ff5bb9rhp1g3-run-nixos-vm.drv
  /nix/store/xpkz94qmvymdls3llskn9vzgilpfav17-nixos-vm.drv
  /nix/store/3wg1m53yicm80xk2ym34qs5l528asb4f-nixos-test-driver-plpgsql_check.drv
  /nix/store/7dlhrqkmys48g18q6fs2gkc0n8bpzmra-vm-test-run-plpgsql_check.drv