these 6 derivations will be built:
  /nix/store/j0z4dd32y3jc1mk0yjd403ldz2lban42-iets-0.1.0.drv
  /nix/store/jb2pv8wwl16j73mlswq1p56vagw3k7ra-closure-info.drv
  /nix/store/7g0zqyrj1ba3fvp2sclzv7nxa3kp7x2z-test-script.drv
  /nix/store/3bl5s14hzdbi7hbhcn1dswmg8232h6zs-driverConfiguration.json.drv
  /nix/store/pr83hs7afjfaakv9bjl95iypa1i104v7-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/23aq000yaml6vx64sh7bmk5x2cb6y354-container-test-run-iets-grpc-e2e.drv