these 2 derivations will be built:
  /nix/store/mwy9dkqk1z5f0ysi9r8ycgk6bl5y183n-iets-fuzzers-0.0.0.drv
  /nix/store/dh7ip3czlaz8nslkskibprdlnvhx6a3j-iets-fuzz-parse-check.drv