these 3 derivations will be built:
  /nix/store/17nx0c2hi160xjfd54jhr1vfpc7p36zh-iets-fuzz-diff-0.0.0.drv
  /nix/store/i5mcs8ik2p9rhnavsp58h9l2kg8gwcrs-iets-fuzzers-0.0.0.drv
  /nix/store/s7sjylxdnc1nh3kn9dk1n5mmjasmdsw2-iets-fuzz-drv-check.drv