these 2 derivations will be built:
  /nix/store/smfa1ff885jq5w6gccfpnrd38fm3av4i-iets-fuzzers-0.0.0.drv
  /nix/store/jf0fmidfazd4sy45k7wxpm0r7n0h02jm-iets-fuzz-parse-check.drv