these 6 derivations will be built:
  /nix/store/j0xqdnkg24ld9cy2z6cx4kcqyg8gs7lb-iets-0.1.0.drv
  /nix/store/s37gfbc0lqmnwgb28izhcq35afswh8z4-closure-info.drv
  /nix/store/01vvnkmbqaa7ksv47dwp41d0zs7kz4cf-test-script.drv
  /nix/store/4hvxn3mfa37ps018zksc0gs11n6p6g3i-driverConfiguration.json.drv
  /nix/store/3k0bss4w4s6ylbkxs7mrm8pfhlg852d7-nixos-test-driver-iets-plumbing-e2e.drv
  /nix/store/kkrdwkbi123gj8zll2yad3y89pjqq4s0-container-test-run-iets-plumbing-e2e.drv