these 6 derivations will be built:
  /nix/store/7jryj5gdqrhbjrn8m9bdgf30zm1npfmk-iets-0.1.0.drv
  /nix/store/5mzw50gm10wff8jwbx4gypbkh7s6h62z-closure-info.drv
  /nix/store/3d0f00h8xmrqlcmk3ls6lhg60r5n3hs1-test-script.drv
  /nix/store/2629ni5h8bkaj6qd7zj2xxlnksck33yj-driverConfiguration.json.drv
  /nix/store/68vb7mgg7gb6svak8bik93hi2nrm6bp3-nixos-test-driver-iets-plumbing-e2e.drv
  /nix/store/akndqgny9ykby5k0ych8i5l4zcf8nsj7-container-test-run-iets-plumbing-e2e.drv