3. **Login via Cargo:**
Get your API token from [crates.io/me](https://crates.io/me) and run:
```sh
cargo login <your-api-token>
```
4. **Update your `Cargo.toml`:**
- Set `name`, `version`, `authors`, `description`, `license`, and `repository`.
- Example:
```toml
[package]
name = "your_crate_name"
version = "0.1.0"
authors = ["Your Name <you@example.com>"]
description = "A short description"
license = "MIT OR Apache-2.0"
repository = "https://github.com/your/repo"
```
5. **Check your package:**
```sh
cargo package
```
Fix any warnings or errors.
6. **Publish:**
```sh
cargo publish
```
**Note:**
- Your crate name must be unique on crates.io.
- Remove `[dependencies]` pointing to local paths or unpublished crates.
- Use `cargo publish --dry-run` to test before actual publishing.