buildx failed with: ERROR: failed to solve: process "/bin/sh -c BUILD_DATE_TIME=$(date -u +\"%Y-%m-%dT%H:%M:%S\") && LD_FLAGS=$(/bin/ash -c \"set -o pipefail && echo $LD_FLAGS | sed -e \\\"s/BUILD_DATE_TIME/$BUILD_DATE_TIME/g\\\"\") && controller-gen object paths=\"./...\" && go build -ldflags=\"$LD_FLAGS\" -o manager cmd/cache/main.go && go build -ldflags=\"$LD_FLAGS\" -o registry-proxy cmd/proxy/main.go" did not complete successfully: exit code: 1