Use Scons in CI with container

.github/workflows/build.yml

@@ -4,6 +4,12 @@ on: pull_request
 jobs:
   build:
     runs-on: ubuntu-latest
+    container:
+      options: --entrypoint /bin/bash --user 0 
+      image: ghcr.io/algorithm-archivists/aaa-langs:latest
+    defaults:
+      run:
+        shell: bash --rcfile /root/.bashrc -eo pipefail {0} 
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -14,3 +20,10 @@ jobs:
         run: |
           npm install
           npx honkit build
+
+      - name: Initalize cargo and run SCons
+        env:
+          HOME: /root
+        run:  |
+          . "$HOME/.cargo/env"
+          scons -Q