these 2 derivations will be built:
  /nix/store/nq5y9wsxprmyd3mx7c7zvsqnx7di4lj7-iets-fuzzers-0.0.0.drv
  /nix/store/s5hv0m9qnljzjyh80xivkfqc0916scpv-iets-fuzz-parse-check.drv