these 6 derivations will be built:
  /nix/store/jm36iw0ix0g0yrzy2r6ia8r6dn4lpgnb-iets-0.1.0.drv
  /nix/store/9lq8zwswynl5cxzljpnhy48a1vs8vn8y-closure-info.drv
  /nix/store/ci7rynivim3zcyrv2dpzhjvma6hvikzk-test-script.drv
  /nix/store/mbvgz8mg7idngw301xgr0vxsplcikvzw-driverConfiguration.json.drv
  /nix/store/534aaza946c1s90j1srqg2hr9ajh104h-nixos-test-driver-iets-cachetest.drv
  /nix/store/72ma2fr1n3ic792j9vr88nqr4j26m06x-container-test-run-iets-cachetest.drv