these 6 derivations will be built:
  /nix/store/df8q5kxmspvdr23cvbfsh2lamy01jf5w-iets-0.1.0.drv
  /nix/store/i7kkmqfjxr6ajr6pg46r7nfjr4nm3w7x-closure-info.drv
  /nix/store/2dzriw3wpl3k9wlmwi7v2zwd2sszfhw6-test-script.drv
  /nix/store/ijv4asbakg7i4yszs01dngvc7zgs1vbr-driverConfiguration.json.drv
  /nix/store/q2cxrf5a7mn5j8imqnq8a07zlgyi2hf8-nixos-test-driver-iets-cachetest.drv
  /nix/store/n12c7p5mfyvcxdxxd8zarfliglhbbyd4-container-test-run-iets-cachetest.drv