these 3 derivations will be built:
  /nix/store/3k3g305q7643jdp19z5gjs1i6rfhrz2g-iets-fuzzers-0.0.0.drv
  /nix/store/m2qya2zzlbggxjz1chgsapgs7irmrrlm-iets-fuzz-diff-0.0.0.drv
  /nix/store/ggpcsq0l5gdk129hxcm7yvz4b7jmlhjm-iets-fuzz-parse-check.drv