these 3 derivations will be built:
  /nix/store/xcrjlf24r7gyln1j6qpa2x77f5d9sdrb-iets-fuzzers-0.0.0.drv
  /nix/store/ysc38whxm1scgsgghkn4akrdiqdfq1mh-iets-fuzz-diff-0.0.0.drv
  /nix/store/vzdkcycxywf4sdzr5ml3pxvfvykv06p4-iets-fuzz-drv-check.drv