these 6 derivations will be built:
  /nix/store/35bcsda33nbpa4kfyx4ifzp1qj7lv2hs-iets-0.1.0.drv
  /nix/store/w3z719n6zi6wlmbqhkp1w13j0l20kyhh-closure-info.drv
  /nix/store/cvfrgk9pkwqqb6frc4qkvh04jnx2nbsw-test-script.drv
  /nix/store/vl9md1x35cbqs3q7r2rmpi1hvqrqbmwb-driverConfiguration.json.drv
  /nix/store/qjpwbrgcnz40r5kq8fxaxkv89p0jxqgm-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/j0rwkn89g3mpc2lymddzjgzd20gx1c35-container-test-run-iets-grpc-e2e.drv