these 2 derivations will be built:
  /nix/store/61w6rjg91ckv18psnvmydj6rs6fvvck3-iets-fuzzers-0.0.0.drv
  /nix/store/75sv44jmcbbyf8g0lgqs365i3d4rk7fa-iets-fuzz-parse-check.drv