these 4 derivations will be built:
  /nix/store/16ki070lwsx48vcq2d1rxjmax4ixx8vw-crate-xxhash-rust-0.8.18.tar.gz.drv
  /nix/store/4h5265g5awdm7xhd3r7y6si17schi747-xxhash-rust-0.8.18.drv
  /nix/store/7hpsf055ykq4wdm3yp2479lnvqn5wc4a-cargo-vendor-dir.drv
  /nix/store/0hsb2xyaq7nj8ya8wgj9ngrkrn087j6f-zfs-dedup-0.1.0.drv