these 5 derivations will be built:
  /nix/store/qa4czd2kmfpaz4x5q3nrlnlqdq8d7b19-vendor-registry.drv
  /nix/store/arhawndm5x3g4kbaf3sbn68dhyh4rqhf-vendor-cargo-deps.drv
  /nix/store/qkaz96nqk0229hvn15kdyjp3y0hb1vk9-source.drv
  /nix/store/l25rc6szm95l1ry50f810cpbgn778gjy-import-bot-deps-1.2.0.drv
  /nix/store/jvb3j15v0k6p3sbgz12wvsw6sa9g5qns-import-bot-1.2.0.drv