these 6 derivations will be built:
  /nix/store/qfmpks8kb2zm5yagr2pl8if3q00pic6w-iets-0.1.0.drv
  /nix/store/6r6v583n2jj8dkhz71fw4rl8kc6qkqh5-closure-info.drv
  /nix/store/h4kpc56lr777ynk7bgrh7y5hmsj7c5gy-test-script.drv
  /nix/store/7878xfq28lala3pgss5ryckr7v5jggm0-driverConfiguration.json.drv
  /nix/store/3rk7d7nz2z5abhdzdhc213sv4k3k2xgw-nixos-test-driver-iets-flaketest.drv
  /nix/store/p971yqcz1b3idzcdbq9y93rw2amszbhi-container-test-run-iets-flaketest.drv