these 6 derivations will be built:
  /nix/store/r38sw0mfhqr344364kn4i625y1m6nkr8-iets-0.1.0.drv
  /nix/store/96mh4an4x9kyjpyky9i1vxksdx6hyxzp-closure-info.drv
  /nix/store/90fx00laiwp4j59883naww6sjsz6ybqg-test-script.drv
  /nix/store/7malpha16gnjxhcdfhd3nphxjxjq3vip-driverConfiguration.json.drv
  /nix/store/hha46863rr3kp6bq34pdfw3a5kj4y91q-nixos-test-driver-iets-cachetest.drv
  /nix/store/i2fxywzixc9znd20g8llv2dhzkmz5r4h-container-test-run-iets-cachetest.drv