these 3 derivations will be built:
  /nix/store/7aqj6p3v8xjsav9ap7awp868jzlpcb7b-iets-fuzz-diff-0.0.0.drv
  /nix/store/ahbwjjwxnl74s5sbmjwyas87dgrqszlc-iets-fuzzers-0.0.0.drv
  /nix/store/vmx23ccf97796l8qqs5h5qawy50qwsbn-iets-fuzz-eval-check.drv