these 3 derivations will be built:
  /nix/store/g9mxwsnbz6fhg4iscj669a9yrrh6mkrs-iets-fuzzers-0.0.0.drv
  /nix/store/vks4wlrvyaim89g67yy0f1z7paz6kdw2-iets-fuzz-diff-0.0.0.drv
  /nix/store/xlf27bb6v32lv3zcs18d5c06rcmrwi6a-iets-fuzz-eval-check.drv