these 3 derivations will be built:
  /nix/store/398mkndqwlj4sshvwc1gz1w7lakv2n7l-iets-fuzz-diff-0.0.0.drv
  /nix/store/n3b172lk5qgq823ik231qwh1lw4hikj6-iets-fuzzers-0.0.0.drv
  /nix/store/yjamlb36jvx9n4mmmcl11hnwgcd1vbj5-iets-fuzz-parse-check.drv