these 6 derivations will be built:
  /nix/store/kgyz84xlvvzc8cgg2flhrgvggkl7jqsv-iets-0.1.0.drv
  /nix/store/jjmqaq8knaw0ah4aal2x8m32955r360f-closure-info.drv
  /nix/store/vzldaqs4yhja6wnkgi9bda7zlgii3226-test-script.drv
  /nix/store/33fss72k3jghfhn3c5zr3rh6yxf3nv6v-driverConfiguration.json.drv
  /nix/store/34qaixykrxxp3bvyszd80zrngx5ksxkk-nixos-test-driver-iets-flaketest.drv
  /nix/store/0ihk157nkmypzbgm75h816cykajlh8sc-container-test-run-iets-flaketest.drv