these 6 derivations will be built:
  /nix/store/mqfbns7fhvwgp2vqnafx66s9gy3gjwgc-iets-0.1.0.drv
  /nix/store/8n3535jrkipsqr9x7swwbqxn3m8p3kbb-closure-info.drv
  /nix/store/pywj5ppgrwnvmn4xzzfldq4vdkc2b7hl-test-script.drv
  /nix/store/jchii3k2cy4xhn43qdz2lg35ga4wir14-driverConfiguration.json.drv
  /nix/store/d00kv1x7ppgxnc87z3p1vxp4s09f83kj-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/ij37ysvd0r7m80abpkjjpzx6szn9107d-container-test-run-iets-grpc-e2e.drv