these 2 derivations will be built:
  /nix/store/89j6il9bcidqz1wk87y95kxvanyrjmxs-iets-fuzzers-0.0.0.drv
  /nix/store/y481x0yff2brij5ik0cyqf9c101mj8a4-iets-fuzz-drv-check.drv