buildx failed with: ERROR: failed to solve: failed to compute cache key: failed to calculate checksum of ref lxvng792byq3fxhd7bnytc4u7::yzsldlxlmotftrh9lulkb4sb0: failed to walk /tmp/buildkit-mount2059843046/app/apps/goat: lstat /tmp/buildkit-mount2059843046/app/apps/goat: no such file or directory