anchor.diff:  
   USER root:root
   
  +# Install bazel using bazelisk.
  +RUN BAZELISK_PATH="/usr/local/bin/bazelisk"; \
  +    BAZELISK_URL="https://github.com/bazelbuild/bazelisk/releases/download/${BAZELISK_VERSION}/bazelisk-linux-amd64"; \
  +    curl -L -o ${BAZELISK_PATH} ${BAZELISK_URL} && \
  +    chmod +x ${BAZELISK_PATH} && \
  +    ln -s ${BAZELISK_PATH} /usr/local/bin/bazel
  +
  +RUN runuser dev -c "bazel > /dev/null"
  +
   ENTRYPOINT [ "/start.sh" ]
  
positive.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
  
  # Main container image.
  FROM ubuntu:18.04 AS opentitan
  
negative.code: ARG VERIBLE_VERSION
  ARG RISCV_TOOLCHAIN_TAR_VERSION
  ARG RUST_VERSION
  ARG BAZELISK_VERSION
  
  LABEL version="1.0"
  LABEL description="OpenTitan development container."
  