these 3 derivations will be built:
  /nix/store/bwsngymhalvgzk8kb820f5qp6hmna3vv-iets-fuzzers-0.0.0.drv
  /nix/store/s11vpyrb6hcs78827vzy3yvavqk24vqw-iets-fuzz-diff-0.0.0.drv
  /nix/store/gsvf10y309xvh4f3qgyg44wb9g4jn4xk-iets-fuzz-parse-check.drv