$ cargo new hello_world Cargo defaults to --bin to make a binary program. To make a library, we would pass --lib, instead. Let’s check out what Cargo has generated for us: $ cd hello_world $ tree . . ├── Cargo.toml └── src └── main.rs 1 directory, 2 files This is all we need to get started. First, let’s check out Cargo.toml:
json-render-diagnostics: Instruct Cargo to not include rustc diagnostics in JSON messages printed, but instead Cargo itself should render the JSON diagnostics coming from rustc. Cargo’s own JSON diagnostics and others coming from rustc are still emitted. Cannot be used with human or short.--build-plan
You should update rustccargorustup update
rustccargo
I have the same versions of rustccargo
If you really want to, you can download a nightly version of Cargo or compile your own. As long as your version exists in your PATH
I used to do this with my local Rust builds in order to have a version of Cargo at all, although rustup now automatically uses the cargo
