these 3 derivations will be built:
  /nix/store/p9jvc01lwkyb0jljz5svh7zam09lcp6v-iets-fuzz-diff-0.0.0.drv
  /nix/store/w5vbibp0c50q1da6syy9nizgzqdlycs7-iets-fuzzers-0.0.0.drv
  /nix/store/jqv8i2mbzadra2gx1gfy9w4mx7lcpm96-iets-fuzz-drv-check.drv