these 6 derivations will be built:
  /nix/store/81r21m39cb4y6f0vakb8ss96l8qz053x-clap_derive-4.6.7.drv
  /nix/store/fjkndd0g1lz3c308xzjvs8hd18h313vi-clap-4.6.7.drv
  /nix/store/gij75306knrngz1b1ikrm6g589ijlzfn-syn-3.0.6.drv
  /nix/store/i5l3c8x97ggysbgrg8pcay8w5sk860al-clap_builder-4.6.7.drv
  /nix/store/6ljk4s0zbwv6l07gbpxlic6wmg9bwmbv-cargo-vendor-dir.drv
  /nix/store/dw1g6xd59acp5hrzkpjh5b7cf4g62xcm-bob-0.1.0.drv