these 3 derivations will be built:
  /nix/store/0gchn893q2ywy4kyx6jxl6wyh2h19vim-iets-fuzzers-0.0.0.drv
  /nix/store/ylagq1kad9mxxd0rgbmna9311x579nfp-iets-fuzz-diff-0.0.0.drv
  /nix/store/4hisngc9fgziw4c9qcnq18nj6x478c5r-iets-fuzz-drv-check.drv