these 3 derivations will be built:
  /nix/store/0g6gg1f2vidyswjb1jc4dsd4wqidxgah-iets-fuzzers-0.0.0.drv
  /nix/store/hjnibp5vnawyvkdjzbwglqlaz919n3bk-iets-fuzz-diff-0.0.0.drv
  /nix/store/b4b33pzbbxdrisbs7lkcvxikibc0f85j-iets-fuzz-drv-check.drv