buildx failed with: ERROR: failed to build: failed to solve: process "/bin/sh -c ./llvm.sh 16 && update-alternatives --install /usr/bin/clang clang /usr/bin/clang-16 100 && update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-16 100 && clang --version && clang++ --version && UNATTENDED=yes OSX_VERSION_MIN=${OSX_VERSION_MIN:-10.13} ./build.sh && DISABLE_PARALLEL_ARCH_BUILD=1 ./build_compiler_rt.sh && rm -rf *~ build *.tar.xz && rm -rf ./.git && ls -al \"${OSX_CROSS_PATH}/target/bin\" && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*" did not complete successfully: exit code: 4

The operation was canceled.