these 6 derivations will be built:
  /nix/store/l71h95lnka6i4hi4x41qf0sy4n500720-iets-0.1.0.drv
  /nix/store/fc5v89c6pf4n025ramfy2s2cpnwc698w-closure-info.drv
  /nix/store/mjr933d7laxpmvz8fr9c827wv1qbw3j0-test-script.drv
  /nix/store/8drdgnbhg6y83s1p1am60iilk4m9w6zf-driverConfiguration.json.drv
  /nix/store/fcmzsb7wxs27yxsfpr02crnbvxvpvzps-nixos-test-driver-iets-evaljobs-flags.drv
  /nix/store/bakjhzvkypfv8yrivcfixkicax8kv17f-container-test-run-iets-evaljobs-flags.drv