these 6 derivations will be built:
  /nix/store/gyw6n2i6q8b69rwz2fidbacxhca69jfs-iets-0.1.0.drv
  /nix/store/4w67xkjw2kimn84rsq69wxjx6svv18wb-closure-info.drv
  /nix/store/8ppg7h41jfh8i9m0nbf0b5b7i5j55j91-test-script.drv
  /nix/store/2azr9gndl1b5h1x0i6n62h4gzd896cij-driverConfiguration.json.drv
  /nix/store/4bj6arb7zn3nn494cj8qjgkv0canry1l-nixos-test-driver-iets-build-e2e.drv
  /nix/store/ybb4jsvjlwqbi6fzsbb5q1m3j4cg71bm-container-test-run-iets-build-e2e.drv