these 6 derivations will be built:
  /nix/store/k6jnqcpsf0c3g4059vx59n9m3n2k8654-iets-0.1.0.drv
  /nix/store/jpm6h2ch2lmnrysjj1khvdfz1s044wyr-closure-info.drv
  /nix/store/jlvrx42qmwlnsgwz2g3javwmm43z4arf-test-script.drv
  /nix/store/zdlh4916d8fl47msiy1dljmyz2xg9xwc-driverConfiguration.json.drv
  /nix/store/d847malxx8irphllmk2x135ic8bfw7rs-nixos-test-driver-iets-cachetest.drv
  /nix/store/3mqyxbpxlysri9m2ziryc4rada0w8l02-container-test-run-iets-cachetest.drv