There is absolutely no lack of that in cargo; this is literally the first sentence in the relevant section in the doc (https://doc.rust-lang.org/cargo/reference/specifying-depende...):
Your crates can depend on other libraries from crates.io or other registries, *git repositories*, or subdirectories on your local file system.
There is absolutely no lack of that in cargo; this is literally the first sentence in the relevant section in the doc (https://doc.rust-lang.org/cargo/reference/specifying-depende...):
Your crates can depend on other libraries from crates.io or other registries, *git repositories*, or subdirectories on your local file system.