buildx failed with: ERROR: failed to solve: failed to compute cache key: failed to calculate checksum of ref mdwfolzbdpipkarul1brngsu6::lwoa1aj2q28dkyatu5r8jcsrl: failed to walk /tmp/buildkit-mount4089435590/var/lib/gitea/custom/options: lstat /tmp/buildkit-mount4089435590/var/lib/gitea/custom/options: no such file or directory