Upgrade to Rust 2021 - increase major number of hermit-abi because this release requires 2021 edition of Rust - yank previous version => all previous versions are able to use older 2018 edition
Due to maintenance at 17.06.2025 from 8:00 to 09:00, git.rwth-aachen.de & git-ce.rwth-aachen.de will be temporarily unavailable. In maintenance, GitLab is updated to version 18. Information about changes can be found at: https://about.gitlab.com/blog/2025/04/18/a-guide-to-the-breaking-changes-in-gitlab-18-0/#breaking-changes
Upgrade to Rust 2021 - increase major number of hermit-abi because this release requires 2021 edition of Rust - yank previous version => all previous versions are able to use older 2018 edition