these 3 derivations will be built:
  /nix/store/63an6q8irj8q8hbf02lksrdxkb8kisk5-iets-fuzzers-0.0.0.drv
  /nix/store/wkcnwmbjzxhqv42cwvydw6bpvz8kvi86-iets-fuzz-diff-0.0.0.drv
  /nix/store/41bq58hi7h3wv13lryr41wyc0af5z234-iets-fuzz-parse-check.drv