these 3 derivations will be built:
  /nix/store/581fnaxz8d6s75nhm2c21hfcr8vwmxqh-iets-fuzz-diff-0.0.0.drv
  /nix/store/mypwk1rzlpwhjbrs260d3jbb4749zk9k-iets-fuzzers-0.0.0.drv
  /nix/store/f2x9nb64fz5h6ssz12s9fkhcshpqjzqp-iets-fuzz-drv-check.drv