these 6 derivations will be built:
  /nix/store/r38sw0mfhqr344364kn4i625y1m6nkr8-iets-0.1.0.drv
  /nix/store/wqiyalc2fg4nah4h4spzkaapnzmwih3r-closure-info.drv
  /nix/store/34pqqs93a2lias7911j62zdx6rpfqpb8-test-script.drv
  /nix/store/82np08c4jm9wm9lmsiszr26hwvwlk9w5-driverConfiguration.json.drv
  /nix/store/x9zp0kkmn2k38lsxsh053z34ra83rxh7-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/54yk26imqighb41yazg5p0hnxwfqalbf-container-test-run-iets-grpc-e2e.drv