these 6 derivations will be built:
  /nix/store/mgqwdjd037g975r5f91s34fmdfyd22g3-iets-0.1.0.drv
  /nix/store/43n1v3bi9x8zsqaaacsmnvnlmkmydka2-closure-info.drv
  /nix/store/iplgaaalhm2dh5lxjjkmwgwpj0yq3aaw-test-script.drv
  /nix/store/ljggif39qywprj9wd48g8r204iypib5a-driverConfiguration.json.drv
  /nix/store/06p6i49szhk8hwlrpdijq4v24mvn2cg1-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/9ly8xwnqcn1lniy1vbpvmk73ixnlzx4c-container-test-run-iets-grpc-e2e.drv