these 6 derivations will be built:
  /nix/store/ndgymdnbi9q1f1w83sxh47yxkwprvx30-iets-0.1.0.drv
  /nix/store/3jsw2r3d32wlp3cdwr29mxhvhamm9d97-closure-info.drv
  /nix/store/6fc5692arqzf2m8b940yrrv8fbvp7g0h-test-script.drv
  /nix/store/d5b7ifiypjwzbq13mrn971cb8phykqz5-driverConfiguration.json.drv
  /nix/store/44iz24v0lwc2953ksfc581vzfa3d3phb-nixos-test-driver-iets-plumbing-e2e.drv
  /nix/store/8l300gwgdlq0d40njswyxh7f0bhqsb35-container-test-run-iets-plumbing-e2e.drv