anchor.diff:  ARG VERIBLE_VERSION
   ARG RISCV_TOOLCHAIN_TAR_VERSION
   ARG RUST_VERSION
  +ARG BAZELISK_VERSION
   
   LABEL version="1.0"
   LABEL description="OpenTitan development container."
  
positive.code: 
  USER root:root
  
  ENTRYPOINT [ "/start.sh" ]
  
negative.code: # The RISCV toolchain version should match the release tag used in GitHub.
  ARG RISCV_TOOLCHAIN_TAR_VERSION=20220210-1
  ARG RUST_VERSION=1.60.0
  # This should match the version in bazelish.sh.
  ARG BAZELISK_VERSION=v1.11.0
  
  # Main container image.
  FROM ubuntu:18.04 AS opentitan
  