these 6 derivations will be built:
  /nix/store/kgyz84xlvvzc8cgg2flhrgvggkl7jqsv-iets-0.1.0.drv
  /nix/store/jjmqaq8knaw0ah4aal2x8m32955r360f-closure-info.drv
  /nix/store/p6k5fqhrzjap24cs471nwzff92a4ffdr-test-script.drv
  /nix/store/fq11fjvrnlcvwsqlz8vss0l14wb0p7q0-driverConfiguration.json.drv
  /nix/store/hzif7qdids5ck380zpka3820mjrbx0ky-nixos-test-driver-iets-cachetest.drv
  /nix/store/xsm1n9ihgz25967s5cvhbcpja3gc8mjb-container-test-run-iets-cachetest.drv