these 5 derivations will be built:
  /nix/store/4vkp9i5nymgf208b5dvp668x90y1q958-source.drv
  /nix/store/jzy9vpp00jmyxcqhlz32khxacq61hz7r-vendor-registry.drv
  /nix/store/ddklays5mqm1wj56lwkhjyrlrprcl25z-vendor-cargo-deps.drv
  /nix/store/0c283jayvk6l2gjfgpdhcfgzvvqfq7am-import-bot-deps-1.2.0.drv
  /nix/store/l013mq0mj4a08iqg94qicsb5nawpgc5p-import-bot-1.2.0.drv