these 3 derivations will be built:
  /nix/store/60kxp4b4pkisln3ssias8z536pvqjvyl-iets-fuzzers-0.0.0.drv
  /nix/store/vvfpaaslcajaj0z4x6jrak4k84i59jmn-iets-fuzz-diff-0.0.0.drv
  /nix/store/s7k7m2cfc2iw23fkpkjgrqp0rn450lcp-iets-fuzz-drv-check.drv