these 2 derivations will be built:
  /nix/store/g3j7a75mnxh00076s3q8l50a3l9mmxnn-iets-fuzzers-0.0.0.drv
  /nix/store/2qpaj1pzkzv11xrpy2rmb2cshdv0v71n-iets-fuzz-parse-check.drv