these 6 derivations will be built:
  /nix/store/x231nh5ynfhz88q13xvfg5axlb3jnrzc-iets-0.1.0.drv
  /nix/store/m75s0b2x8872g6brfgyvlmxpj2glhwds-closure-info.drv
  /nix/store/493bj6xfppnjilfq2wlbywhpmcmy279k-test-script.drv
  /nix/store/2zdcfaaajniq31myjm4pn8r82lcq6j4c-driverConfiguration.json.drv
  /nix/store/3k23p7fym735dhb8m1jzr8f8fnlias8j-nixos-test-driver-iets-cachetest.drv
  /nix/store/z616rh8frl8njpq3l65bw23h1is5dgmh-container-test-run-iets-cachetest.drv