these 2 derivations will be built:
  /nix/store/7hls1zaxdndikw9iwb61bn3krcn393qg-iets-fuzzers-0.0.0.drv
  /nix/store/w5aa3j7j9ycjp128i2pardzyyivmykid-iets-fuzz-drv-check.drv