these 3 derivations will be built:
  /nix/store/hy8ajdzlbkwzanpg8ixydckjzc1kvamw-libc-0.2.191.drv
  /nix/store/d5sk8ypjliq324wrvcdv1wfhyaplw2ig-cargo-vendor-dir.drv
  /nix/store/lv5jay4xfavph9y3fyv8zrpcv04sf3k3-zfs-dedup-0.1.0.drv