these 3 derivations will be built:
  /nix/store/3gigbpyvpxsf82vk1bvzf4q5vhpdxshy-iets-fuzz-diff-0.0.0.drv
  /nix/store/nqkzy82xbkkh10ypv648fffjc3896hfy-iets-fuzzers-0.0.0.drv
  /nix/store/8pxbn5jb5q5i9n6nmkrm9gv8yk6h5r85-iets-fuzz-parse-check.drv