Run CI on the host machine as well

This also allows us to run the test suite.

Author: dylanmckay

.github/workflows/docker-image.yml

@@ -18,7 +18,10 @@ jobs:
       run:
         docker build . --file Dockerfile.ci --tag avr-rust/avr-config.ci:$GITHUB_RUN_NUMBER
 
-    - name: Compile the crate
+    - name: Compile the crate for AVR
       run:
-        docker run avr-rust/avr-config.ci:$GITHUB_RUN_NUMBER
+        docker run avr-rust/avr-config.ci:$GITHUB_RUN_NUMBER build -Z build-std=core --target avr-atmega328p.json --release
 
+    - name: Compile the crate and run tests for the host machine
+      run:
+        docker run avr-rust/avr-config.ci:$GITHUB_RUN_NUMBER test --all

Dockerfile.ci

@@ -19,4 +19,4 @@ WORKDIR /code/avr-config
 
 ENV AVR_CPU_FREQUENCY_HZ=16000000
 
-CMD ["cargo", "build", "-Z", "build-std=core", "--target", "avr-atmega328p.json", "--release"]
+ENTRYPOINT ["cargo"]