these 6 derivations will be built:
  /nix/store/lmwrf1vlgawr1y0gq3l2i6hvhwjdapd6-iets-0.1.0.drv
  /nix/store/wbfi4rwkyrs4z4b2icag0scf31s60p05-closure-info.drv
  /nix/store/3bjm67avv564rf0hc8di5h376laaqj8d-test-script.drv
  /nix/store/x6rcv8rls3pf9i0gwdb8zvpwdp25nv50-driverConfiguration.json.drv
  /nix/store/ia3ny8a1fpgw306lswg46f9np2jcfg26-nixos-test-driver-iets-cachetest.drv
  /nix/store/ksr0cgi2naigfxzsfcqlcgvvglbsv3vi-container-test-run-iets-cachetest.drv