RUST build fails

[sebgoa]

bash example works great.

rust fails at:

docker run --rm --user "$(id -u)":"$(id -g)" -v "$PWD":/usr/src/myapp -w /usr/src/myapp rust:1.30.0 cargo build -p lambda_runtime --example basic --release
...
 Downloading backtrace-sys v0.1.24
 Downloading rustc-demangle v0.1.9
 Downloading cc v1.0.25
 Downloading ryu v0.2.6
   Compiling lambda_runtime_client v0.1.0 (/usr/src/myapp/lambda-runtime-client)
error: Edition 2018 is unstable and only available for nightly builds of rustc.

error: Could not compile `lambda_runtime_client`.

To learn more, run the command again with --verbose.

[tzununbekov]

Rust version was changed in awslabs/aws-lambda-rust-runtime
Updated readme with correct instructions

[sebgoa]

got it