buildx failed with: ERROR: failed to solve: process "/bin/sh -c if [ \"${LIBBT_VERSION}\" = \"devel\" ]; then git clone --depth 1 --recurse-submodules https://github.com/arvidn/libtorrent.git && cd libtorrent ; elif [ \"${LIBBT_VERSION}\" = \"master\" ]; then git clone --depth 1 --recurse-submodules -b master https://github.com/arvidn/libtorrent.git && cd libtorrent ; else wget \"https://github.com/arvidn/libtorrent/releases/download/v${LIBBT_VERSION}/libtorrent-rasterbar-${LIBBT_VERSION}.tar.gz\" && tar -xf \"libtorrent-rasterbar-${LIBBT_VERSION}.tar.gz\" && cd \"libtorrent-rasterbar-${LIBBT_VERSION}\" ; fi && cmake -B build -DCMAKE_CXX_STANDARD=17 -DCMAKE_BUILD_TYPE=Release -DCMAKE_BUILD_TYPE=RelWithDebInfo -DCMAKE_INSTALL_PREFIX=/usr $LIBBT_CMAKE_FLAGS && cmake --build build -j$(nproc) && cmake --install build" did not complete successfully: exit code: 2