I noticed these warnings in CI logs;
+buildctl build --progress=plain --frontend=dockerfile.v0 --opt context=git://github.com/moby/buildkit#refs/pull/1482/merge --opt build-arg:BUILDKIT_CONTEXT_KEEP_GIT_DIR=1 --opt platform=linux/amd64,linux/arm/v7,linux/arm64,linux/s390x,linux/ppc64le,darwin/amd64,windows/amd64 --import-cache cicache.buildk.it/moby/buildkit/master:binaries-cross-helper
WARN[0000] --import-cache <ref> is deprecated. Please use --import-cache type=registry,ref=<ref>,<opt>=<optval>[,<opt>=<optval>] instead.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
c34699f8dd