docs(contributing): add Rust install notes as prerequisites
@@ -25,6 +25,15 @@ Extra steps for Windows users:
### Prerequisites
+You will need to [install Rust](https://www.rust-lang.org/tools/install). Make
+sure to fetch the latest stable release as Deno does not support nightly builds.
+Check that you have the required tools:
+
+```
+rustc -V
+cargo -V
+```
+
The easiest way to build Deno is by using a precompiled version of V8:
```
