these 2 derivations will be built:
  /nix/store/jb1mxzm8hkirp0119h6wxnacyxss36jr-iets-fuzzers-0.0.0.drv
  /nix/store/zczfynqk2909d4m28hfhm8fb6dpkpk3q-iets-fuzz-parse-check.drv