these 2 derivations will be built:
  /nix/store/6fh0mnr9sg73fnnj4fskvc9ipvdsqkhs-iets-fuzzers-0.0.0.drv
  /nix/store/4ycm06jv6059lb28cgm8r9hv7snlmk7c-iets-fuzz-drv-check.drv