anchor.diff:  # Setup PATH to allow running android tools.
   ENV PATH=$PATH:/android/ndk-arm/bin:/android/ndk-aarch64/bin:/android/ndk-x86:/android/sdk/tools:/android/sdk/platform-tools
   
  -WORKDIR /build
  +WORKDIR /android
  +RUN chown rustbuild:rustbuild /android
  +USER rustbuild
   
   # Prep the Android NDK
   #
  
positive.code:                 --name x86_64-21 \
                  --target android-21 \
                  --abi x86_64
  
  # When running this container, startup buildbot
  WORKDIR /buildslave
  RUN rm -rf /build
  USER rustbuild
  COPY start-docker-slave.sh start-docker-slave.sh
  ENTRYPOINT ["sh", "start-docker-slave.sh"]
  
negative.code: # which apparently magically accepts the licenses.
  RUN curl -O http://dl.google.com/android/android-sdk_r24.3.4-linux.tgz
  RUN tar xf android-sdk_r24.3.4-linux.tgz
  COPY android/android-accept-licenses.sh /android/android-accept-licenses.sh
  RUN mv android-sdk-linux sdk
  RUN ["./android-accept-licenses.sh", \
       "android - update sdk -a --no-ui --filter platform-tools,android-18,android-21,sys-img-x86-android-18,sys-img-x86_64-android-21,sys-img-armeabi-v7a-android-18"]
  RUN echo "no" | android create avd \
  