these 2 derivations will be built:
  /nix/store/9qb3hq1450gr71l4ba4mvjkvm3bmy13c-iets-fuzzers-0.0.0.drv
  /nix/store/i9dkh8ni72g63wfi9dkbc95vbl9iwab5-iets-fuzz-drv-check.drv