these 6 derivations will be built:
  /nix/store/c45ihjqai1vj8bcbl413944hr0pdimnh-iets-0.1.0.drv
  /nix/store/fppvijl6sxxd7vaanf8h02bvyby0csg0-closure-info.drv
  /nix/store/6jp1wv4689kys6dz3snl1jsxpyw9wwcc-test-script.drv
  /nix/store/8sdijfp3q8169mqxf4f0yaymvxp5ip1p-driverConfiguration.json.drv
  /nix/store/y8lg2ip35d1c2zb1g1afhi35w1lmg46v-nixos-test-driver-iets-cachetest.drv
  /nix/store/4y5blga3gafsmj6dbc4jqxd88wnq38ls-container-test-run-iets-cachetest.drv