Merge pull request #258 from 0xPolygonMiden/greenhat/add-nightly-to-c…

…argo-miden-readme

chore: add nightly rustc requirement to cargo-miden README.md

tools/cargo-miden/README.md

@@ -4,10 +4,16 @@ This crate provides a cargo extension that allows you to compile Rust code to Mi
 
 ## Installation
 
+In order to install(build) the extension, you need to have the nightly Rust toolchain installed:
+
+```bash
+rustup toolchain install nightly-2024-03-10
+```
+
 To install the extension, run:
 
 ```bash
-cargo install cargo-miden
+cargo +nightly-2024-03-10 install cargo-miden
 ```
 
 ## Usage