these 3 derivations will be built:
  /nix/store/63an6q8irj8q8hbf02lksrdxkb8kisk5-iets-fuzzers-0.0.0.drv
  /nix/store/wkcnwmbjzxhqv42cwvydw6bpvz8kvi86-iets-fuzz-diff-0.0.0.drv
  /nix/store/qpj8y5mlvnii9dj22v8lhn28x04x9ds9-iets-fuzz-drv-check.drv