these 3 derivations will be built:
  /nix/store/pkrvqpvpzg26qakdslrn5l94h0zyqc7k-iets-fuzzers-0.0.0.drv
  /nix/store/vxdqm27lackva62wbpavm9bwnsgrca19-iets-fuzz-diff-0.0.0.drv
  /nix/store/affh4anvy9cn6n47bp2s7kdc6rzpyw13-iets-fuzz-drv-check.drv