these 4 derivations will be built:
  /nix/store/9dj8v003l72wrjwsz8pnhw41x8yj36z4-iets-0.1.0.drv
  /nix/store/lr82nx2rrmjml03pi5zxd1yj71ci198w-iets-fuzz-diff-0.0.0.drv
  /nix/store/ap96jybaf639hpm1zcc7zglvp5gz0h21-iets-conformance-adapter.drv
  /nix/store/w06mha22132ay8jzmx4im295f50739d0-nix-conformance-iets.drv