these 6 derivations will be built:
  /nix/store/52glgjnbsf8aagisg0dxb2aavanxax9m-iets-0.1.0.drv
  /nix/store/fvcnn50f97hxd7rm2lv8lbys1y0z7qfh-closure-info.drv
  /nix/store/1fwgvmf2psm34bhy70876dkx151p63zd-test-script.drv
  /nix/store/y2vx58cpkaxc0rf4r32zkpgi5pxavrvg-driverConfiguration.json.drv
  /nix/store/q74kxmmbbch62hld3xbxsbklnxxjij1r-nixos-test-driver-iets-cachetest.drv
  /nix/store/31xcfc766qy8kfcijkmspfrpz72f3ihg-container-test-run-iets-cachetest.drv