Setup toolchains for cross compilation and cross testing for Rust

Version updated for taiki-e/setup-cross-toolchain-action to version v1.21.0.

  • This action is used across all versions by 664 repositories.

Go to the GitHub Marketplace to find the latest changes.

Release notes

  • Support containers.

    Note:

    • Only Ubuntu and Debian containers are currently supported.

    • Not fully supported for some targets.

    • --privileged option is currently required (due to binfmt).

      container:
  image: '...'
  options: --privileged

  • Improve robustness of installation.