anchor.diff: -FROM        ubuntu:15.10
  +FROM        ubuntu-debootstrap:15.10
   MAINTAINER  Kotaimen <kotaimen.c@gmail.com>
   LABEL       Description="Stonemason base image"
   ENV         DEBIAN_FRONTEND noninteractive
  
positive.code:                 print(PIL.PILLOW_VERSION); \
                  print("Pillow Plugins:"); \
                  pprint(PIL._plugins);' > /tmp/test.py \
              && python3.5 /tmp/test.py \
              && convert --version \
              && rm /tmp/test.py
  
  
negative.code:                 libfreetype6-dev \
                  libsqlite3-dev \
                  libpq-dev \
                  libxml2-dev
  
  RUN         set -x \
              && git clone git://git.sv.nongnu.org/freetype/freetype2.git \
  