docker build -t mars . fails

[jebuss]

patching file bindings/pyroot/src/Utility.cxx
Hunk #1 FAILED at 211.
1 out of 1 hunk FAILED -- saving rejects to file bindings/pyroot/src/Utility.cxx.rej
The command '/bin/sh -c curl -L https://github.com/root-project/root/archive/v5-34-00-patches.tar.gz | tar xz   && cd root-5-34-00-patches      && patch -p1 < /home/mars/root5-python3.patch   && cd ..         && mkdir build_root    && cd build_root        && cmake                -D builtin_zlib=ON              -D mathmore=ON                  -D minuit2=ON                   -D PYTHON_EXECUTABLE=/home/mars/anaconda3/bin/python            -D PYTHON_INCLUDE_DIR=/home/mars/anaconda3/include/python3.6m                   -D PYTHON_LIBRARY=/home/mars/anaconda3/lib/libpython3.6m.so             ../root-5-34-00-patches         && cmake --build . -- -j$CORES  && cmake --build . --target install     && ldconfig     && cd /home/mars        && rm -rf /home/mars/build_root         && rm -rf /home/mars/root-5-34-00-patches' returned a non-zero code: 1