these 2 derivations will be built:
  /nix/store/6z1awcprlncwih18mcbh9xaazdnb396p-iets-fuzzers-0.0.0.drv
  /nix/store/pmpfjn16xc4sqmk4xbyykdhfqq2zbp82-iets-fuzz-drv-check.drv