these 2 derivations will be built:
  /nix/store/xpan28s627p5b14vd1hnm2mbjjvk0pr2-iets-fuzzers-0.0.0.drv
  /nix/store/1k37jnn1vg1c4rw36qb9mn1s31sx2fil-iets-fuzz-parse-check.drv