anchor.diff:  RUN cabal update
   RUN cabal install hspec
   
  +# Install Julia
  +# Julia is really slow, but v0.3 is okay (see http://stackoverflow.com/a/20566032)
  +# In the future, don't use nightly builds, use releases
  +RUN add-apt-repository ppa:staticfloat/julianightlies
  +RUN add-apt-repository ppa:staticfloat/julia-deps
  +RUN apt-get update
  +RUN apt-get -y install julia
  +# Nightly builds have a noisy OpenBLAS error, workaround
  +RUN mv /usr/bin/julia /usr/bin/julia-noisy
  +RUN printf '#!/bin/bash\njulia-noisy "$@" 2> >(grep -v "OpenBLAS : Your OS does not support AVX instructions." 1>&2)' > /usr/bin/julia
  +RUN chmod a+x /usr/bin/julia
  +
   # ADD cli-runner and install node deps
   ADD . /cli-runner
   WORKDIR /cli-runner
  
positive.code: 
  #timeout is a fallback in case an error with node
  #prevents it from exiting properly
  ENTRYPOINT ["timeout", "15", "node"]
  
negative.code: # Install Coffeescript
  RUN npm -g install coffee-script
  RUN npm -g install chai
  RUN npm -g install mocha
  
  # Install Python 3
  
  