these 6 derivations will be built:
  /nix/store/7g07vkkhdf84zz13jxnlh2iq63bdyhl1-iets-0.1.0.drv
  /nix/store/vqs5xjrl7vdzih708a8i14hkriwxmx9p-closure-info.drv
  /nix/store/a3f4q074wi8prifkplsgkmmvf7ca151l-test-script.drv
  /nix/store/csjxlz1dviafk1s0nhlj9p1j9bzqiiy6-driverConfiguration.json.drv
  /nix/store/97kdi6dpgajh2fzccaxg3sb6wch3wr1j-nixos-test-driver-iets-plumbing-e2e.drv
  /nix/store/fvr0ighfwb2cciddsl5d1xlh1zp3hq7b-container-test-run-iets-plumbing-e2e.drv