these 3 derivations will be built:
  /nix/store/n7wx3k4brqisys3jdrcd6y6bs5kfy5wa-iets-fuzz-diff-0.0.0.drv
  /nix/store/yyp0pf4prkrp9655l8m22kz7vxc0glis-iets-fuzzers-0.0.0.drv
  /nix/store/rw4w7fjbkzzf76ip56hqc17lxky0v5c4-iets-fuzz-parse-check.drv