This container can be pulled via:
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/bci/rust:1.78
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/bci/rust:1.78-2.3.1
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/bci/rust:oldstable
  docker pull registry.opensuse.org/devel/bci/sle-15-sp6/containerfile/bci/rust:oldstable-2.3.1

Set DOCKER_CONTENT_TRUST=1 to enable image tag verification.