these 6 derivations will be built:
  /nix/store/j6pi821xvk2iwmyz7jlaw74s3qcp90i1-iets-0.1.0.drv
  /nix/store/pkvm088rs1h1hc57dlgcmp6grdflc2da-closure-info.drv
  /nix/store/96pbix8z7b4p70gnrd9lq82b53miwlkb-test-script.drv
  /nix/store/qcn0bzkkhziwx6j3hl1shs8yxvg9fcrz-driverConfiguration.json.drv
  /nix/store/qwa3ypd0n82w0md5bj8jix6hbfrlqwv8-nixos-test-driver-iets-cachetest.drv
  /nix/store/c7jsqr2qkvms9x2qjcrgq55860ln24nk-container-test-run-iets-cachetest.drv