buildx failed with: ERROR: failed to solve: process "/bin/bash -c if [[ ( \"${EXTRA_BACKENDS}\" =~ \"vllm\" || -z \"${EXTRA_BACKENDS}\" ) && \"$IMAGE_TYPE\" == \"extras\" ]]; then make -C backend/python/vllm ; fi && if [[ ( \"${EXTRA_BACKENDS}\" =~ \"autogptq\" || -z \"${EXTRA_BACKENDS}\" ) && \"$IMAGE_TYPE\" == \"extras\" ]]; then make -C backend/python/autogptq ; fi && if [[ ( \"${EXTRA_BACKENDS}\" =~ \"bark\" || -z \"${EXTRA_BACKENDS}\" ) && \"$IMAGE_TYPE\" == \"extras\" ]]; then make -C backend/python/bark ; fi && if [[ ( \"${EXTRA_BACKENDS}\" =~ \"rerankers\" || -z \"${EXTRA_BACKENDS}\" ) && \"$IMAGE_TYPE\" == \"extras\" ]]; then make -C backend/python/rerankers ; fi && if [[ ( \"${EXTRA_BACKENDS}\" =~ \"mamba\" || -z \"${EXTRA_BACKENDS}\" ) && \"$IMAGE_TYPE\" == \"extras\" ]]; then make -C backend/python/mamba ; fi" did not complete successfully: exit code: 2