buildx failed with: ERROR: failed to solve: process "/bin/bash -c . /release_setup.sh && cd /tmp && git clone --recurse-submodules --branch py_el_tool_test https://gitlab.cern.ch/gstark/pycolumnarprototype.git && cd pycolumnarprototype && cmake -S src -B build && cmake build -LH && cmake --build build --clean-first --parallel \"$(nproc --ignore=1)\" && DESTDIR=/usr/tools cmake --install build && cd /tmp && rm -rf pycolumnarprototype && echo -e \"\\n# Set up the PyColumnarPrototype tool:\" >> /release_setup.sh && echo -e \". $(find /usr/tools -type f -iname 'setup.sh')\" >> /release_setup.sh && echo -e 'echo \"Configured PyColumnarPrototype from: ${PyColumnarPrototypeDemo_DIR}\"' >> /release_setup.sh && . /release_setup.sh && cvmfs-venv-rebase && python -c 'import PyColumnarPrototype; print(f\"{PyColumnarPrototype.column_maker()=}\")'" did not complete successfully: exit code: 2