anchor.diff:  # Install Coffeescript
   RUN npm -g install coffee-script
   RUN npm -g install chai
  -#RUN npm -g install mocha
  +RUN npm -g install mocha
   
   # Install Python 3
   
  
positive.code: 
  #timeout is a fallback in case an error with node
  #prevents it from exiting properly
  ENTRYPOINT ["timeout", "15", "node"]
  
negative.code: 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
  