these 2 derivations will be built:
  /nix/store/dlns5c3mjsbd5sjs6sy2ay5hzrr9w837-iets-fuzzers-0.0.0.drv
  /nix/store/j8l4wzqw0bmbcqqgl8z5ms4idhl1imz3-iets-fuzz-drv-check.drv