these 2 derivations will be built:
  /nix/store/3dyh4dd7firac028qw6j0ysizc21dbhs-iets-fuzzers-0.0.0.drv
  /nix/store/37cjgsmvwsm4yxibnmw6gsc7f84pnrrl-iets-fuzz-drv-check.drv