these 2 derivations will be built:
  /nix/store/9325rbd7c4mgmfwwc28anqm53qfd0f5p-iets-fuzzers-0.0.0.drv
  /nix/store/jl3l6xh6f2lz7q7nb0b4rvk72ajz3gq7-iets-fuzz-drv-check.drv