Update README.md with new rust version requirement
Neon requires Rust 1.18 since
@@ -37,7 +37,7 @@ Support for [LTS versions of Node](https://github.com/nodejs/LTS#lts-schedule) a
### Rust
-Neon supports Rust stable version 1.15 and higher. We test on the latest stable, beta, and nightly versions of Rust.
+Neon supports Rust stable version 1.18 and higher. We test on the latest stable, beta, and nightly versions of Rust.
# A Taste...
