buildx failed with: ERROR: failed to solve: process "/bin/sh -c cd /root && wget --no-check-certificate -c https://github.com/fatedier/frp/releases/download/v${FRP_VERSION}/frp_${FRP_VERSION}_linux_amd64.tar.gz && tar zxvf frp_${FRP_VERSION}_linux_amd64.tar.gz && cd frp_${FRP_VERSION}_linux_amd64/ && cp frpc /usr/bin/ && mkdir -p /etc/frp && cp frpc.toml /etc/frp && cd /root && rm frp_${FRP_VERSION}_linux_amd64.tar.gz && rm -rf frp_${FRP_VERSION}_linux_amd64/" did not complete successfully: exit code: 1