these 3 derivations will be built:
  /nix/store/5ggq8hr0ijkj39338j4157bshd44czhs-iets-fuzz-diff-0.0.0.drv
  /nix/store/ab5n1xyx7j99p1lj8mq8i5v80wwn23sh-iets-fuzzers-0.0.0.drv
  /nix/store/0p2b29didqxxg8pdkj24fvzzmyi8rwpx-iets-fuzz-drv-check.drv