these 3 derivations will be built:
  /nix/store/4khpxmv6ahhys3ng1yjdzjppqqfbccyz-iets-fuzz-diff-0.0.0.drv
  /nix/store/rss8ff4rk1drbd4wy8bdr35vd20czhdy-iets-fuzzers-0.0.0.drv
  /nix/store/qin4vzzfy8aliihvc4wnxjmb60ad7ik0-iets-fuzz-drv-check.drv