these 2 derivations will be built:
  /nix/store/66jg580bs24c1ghqzifsfcs6z9x10rrn-iets-fuzzers-0.0.0.drv
  /nix/store/1qr1c0sixjwr9gc7mk12k4wh4hzmc12p-iets-fuzz-parse-check.drv