these 6 derivations will be built:
  /nix/store/k66gnqg70z80wgbkf8q3hmmghq38c868-iets-0.1.0.drv
  /nix/store/xbff05s6fsmc16k19hxvjv4y2wv33k0p-closure-info.drv
  /nix/store/js6zippaqlwf9h3jkvyy5789p0srz6vw-test-script.drv
  /nix/store/1rh493672rijxw4fwndhg67hpl1m4s80-driverConfiguration.json.drv
  /nix/store/zc3kziwnmhcjw8fls7aq9jyxk4lfvq29-nixos-test-driver-iets-evaljobs-flags.drv
  /nix/store/pdqg1w95br3q2hn4406f7i45w5b635b1-container-test-run-iets-evaljobs-flags.drv