these 6 derivations will be built:
  /nix/store/3g8q2lpr7a7z1qi50mxzylpdw654nszf-iets-0.1.0.drv
  /nix/store/wbwpd7ygn1v59wjyzb5srr9s1s9byi1b-closure-info.drv
  /nix/store/k1dvgpw0jq55y7d1rrzgp83j00j0q9sy-test-script.drv
  /nix/store/azi8bwlvk3q2qjmjg0fz9xg20py4w0yn-driverConfiguration.json.drv
  /nix/store/pjrrlq3f4c0s1sy17bg3m7srbdyww1n5-nixos-test-driver-iets-build-e2e.drv
  /nix/store/chnn96qxhma11nl73cnr4jh78sspphxk-container-test-run-iets-build-e2e.drv