these 5 derivations will be built:
  /nix/store/4g9fqjzriydffpsaxvx83v9q48i62bjz-vendor-registry.drv
  /nix/store/b9xgg7mw3974nwp6zpbn38g31qp5baby-source.drv
  /nix/store/ql89q04mcx6703wgmd3y82sl60shysgz-vendor-cargo-deps.drv
  /nix/store/868a1vdqz4qcfkasa0kp2j3zdxwamspd-herdr-eternal-deps-0.1.0.drv
  /nix/store/gp9b66kfnmnkbl2i8yghid2kq7qki0av-herdr-eternal-0.1.0.drv