Add travis CI

.travis.yml

@@ -0,0 +1,33 @@
+language: rust
+
+sudo: required
+
+services:
+  - docker
+
+notifications:
+  email:
+    on_success: never
+    on_failure: change
+
+addons:
+  apt:
+    packages:
+      - ruby
+
+rust:
+  - nightly
+
+os:
+  - linux
+
+cache: cargo
+
+before_script:
+  - rustup component add rust-src
+  - (test -x $HOME/.cargo/bin/cargo-install-update || cargo install cargo-update)
+  - (test -x $HOME/.cargo/bin/xargo || cargo install xargo)
+  - cargo install-update -a
+
+script:
+  - ruby utils/make_all.rb

README.md

@@ -1,5 +1,7 @@
 # Bare Metal Rust Programming on Raspberry Pi 3
 
+[![Build Status](https://travis-ci.org/andre-richter/rust-raspi3-tutorial.svg?branch=master)](https://travis-ci.org/andre-richter/rust-raspi3-tutorial)
+
 ## About this repository
 
 Hi all. This repository aims to provide easy reference code for programming bare metal on the Raspberry Pi 3