these 6 derivations will be built:
  /nix/store/7g07vkkhdf84zz13jxnlh2iq63bdyhl1-iets-0.1.0.drv
  /nix/store/4r8kd8wvj9zxzkm897akan3b5jxkwc1c-closure-info.drv
  /nix/store/sc9n9m186agpvzh999vrwzjy25gwkb15-test-script.drv
  /nix/store/917vclxly1qcil3xqgnfwzgjvmsapn3h-driverConfiguration.json.drv
  /nix/store/20lj3a2fw6s89hndmqkpzpbj0mcq79md-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/nqras9zqj1hr9y50nibm86m7imykw03x-container-test-run-iets-grpc-e2e.drv