## FTBFS:

   debian/rules override_dh_golang
make[1]: Entering directory '/srv/scratch/packages/go-team/docker.io'
DH_GOLANG_BUILDPKG="github.com/docker/cli/... github.com/docker/docker/... github.com/moby/buildkit/..." \
  dh_golang -O--buildsystem=golang -O--builddirectory=_build
_build/src/github.com/moby/buildkit/util/grpcutil/encoding/proto/proto.go:16:2: cannot find package "google.golang.org/grpc/mem" in any of:
	/srv/scratch/packages/go-team/docker.io/_build/src/github.com/moby/buildkit/vendor/google.golang.org/grpc/mem (vendor tree)
	/usr/lib/go-1.24/src/google.golang.org/grpc/mem (from $GOROOT)
	/srv/scratch/packages/go-team/docker.io/_build/src/google.golang.org/grpc/mem (from $GOPATH)
_build/src/github.com/moby/buildkit/cmd/buildkitd/debug_flight.go:9:2: cannot find package "golang.org/x/exp/trace" in any of:
	/srv/scratch/packages/go-team/docker.io/_build/src/github.com/moby/buildkit/vendor/golang.org/x/exp/trace (vendor tree)
	/usr/lib/go-1.24/src/golang.org/x/exp/trace (from $GOROOT)
	/srv/scratch/packages/go-team/docker.io/_build/src/golang.org/x/exp/trace (from $GOPATH)
dh_golang: error: go list -f '{{ range .Deps }}{{.}}
{{ end }}' returned exit code 1
make[1]: *** [debian/rules:75: override_dh_golang] Error 1


-> upgrade grpc to version 1.66 or later
-> investigate the x/exp/trace issue