these 2 derivations will be built:
  /nix/store/74fhh0bajdp6bhifrcnxdn4fx9rink73-iets-fuzzers-0.0.0.drv
  /nix/store/c6alcql6adffc2qapv3d4vj4m5mnhxb5-iets-fuzz-drv-check.drv