these 6 derivations will be built:
  /nix/store/xvcjfan9pg7d74iv01frkcd47im5sg90-iets-0.1.0.drv
  /nix/store/vhz78bwmy2m1ysf2s9wyfyngn8m9y9x8-closure-info.drv
  /nix/store/pliyava6w75q49mxfqv6igmsscxd67rz-test-script.drv
  /nix/store/kr4cxsnznilpj8mi2g3cv4jy41fnjs3x-driverConfiguration.json.drv
  /nix/store/lxaf1vvsjmwhc0v1i8y87frizz117dy2-nixos-test-driver-iets-cachetest.drv
  /nix/store/m5a3vqfw2bpy55bcpj2xvc7wllccxb7b-container-test-run-iets-cachetest.drv