buildx failed with: ERROR: failed to build: failed to solve: process "/bin/bash -e -o pipefail -c apt-get update\napt-get install -y --no-install-recommends \\\n clang-${CLANG_VERSION} \\\n llvm-${CLANG_VERSION}\napt-get clean\nrm -rf /var/lib/apt/lists/*\nupdate-alternatives \\\n --install /usr/bin/cc cc /usr/bin/clang-${CLANG_VERSION} 999 \\\n --slave /usr/bin/c++ c++ /usr/bin/clang++-${CLANG_VERSION}\nupdate-alternatives \\\n --install /usr/bin/clang clang /usr/bin/clang-${CLANG_VERSION} 100 \\\n --slave /usr/bin/clang++ clang++ /usr/bin/clang++-${CLANG_VERSION}\nupdate-alternatives \\\n --install /usr/bin/llvm-cov llvm-cov /usr/bin/llvm-cov-${CLANG_VERSION} 100\nupdate-alternatives --auto cc\nupdate-alternatives --auto clang\nupdate-alternatives --auto llvm-cov\n" did not complete successfully: exit code: 2