python x.py build src/libcore --stage 0
```
-You can explore the build system throught the various `--help` pages for each
+You can explore the build system through the various `--help` pages for each
subcommand. For example to learn more about a command you can run:
```
guidelines as of yet, but basic rules like 4 spaces for indentation and no
more than 99 characters in a single line should be kept in mind when writing
code.
+- `rustup toolchain link <name> build/<host-triple>/<stage>` - Use the custom compiler build via [rustup](https://github.com/rust-lang-nursery/rustup.rs#working-with-custom-toolchains-and-local-builds).
## Pull Requests