these 2 derivations will be built:
  /nix/store/fzxnkskixzk0bw1prbbp52qc2ms1rab4-iets-fuzzers-0.0.0.drv
  /nix/store/b1yrmli0vk85kgpy2w4lyrf2mvmmjnj1-iets-fuzz-parse-check.drv