Error: Command failed: git push heroku HEAD:refs/heads/main remote: Updated 1765 paths from b741754b remote: Compressing source files... done. remote: Building source: remote: remote: -----> Building on the Heroku-22 stack remote: -----> Deleting 1 files matching .slugignore patterns. remote: -----> Using buildpack: heroku/ruby remote: -----> Ruby app detected remote: -----> Installing bundler 2.4.22 remote: -----> Removing BUNDLED WITH version in the Gemfile.lock remote: -----> Compiling Ruby/Rack remote: Command: 'set -o pipefail; curl -L --fail --retry 5 --retry-delay 1 --connect-timeout 3 --max-time 30 https://heroku-buildpack-ruby.s3.us-east-1.amazonaws.com/heroku-22/ruby-3.4.2.tgz -s -o - | tar zxf - --strip 0' failed on attempt 1 of 3. remote: Command: 'set -o pipefail; curl -L --fail --retry 5 --retry-delay 1 --connect-timeout 3 --max-time 30 https://heroku-buildpack-ruby.s3.us-east-1.amazonaws.com/heroku-22/ruby-3.4.2.tgz -s -o - | tar zxf - --strip 0' failed on attempt 2 of 3. remote: remote: ! remote: ! The Ruby version you are trying to install does not exist: ruby-3.4.2 remote: ! remote: ! Heroku recommends you use the latest supported Ruby version listed here: remote: ! https://devcenter.heroku.com/articles/ruby-support#supported-runtimes remote: ! remote: ! For more information on syntax for declaring a Ruby version see: remote: ! https://devcenter.heroku.com/articles/ruby-versions remote: ! remote: ! Push rejected, failed to compile Ruby app. remote: remote: ! Push failed remote: ! remote: ! ## Warning - The same version of this code has already been built: ea8f6bdcc9bed70627a967065479f5e210e9cead remote: ! remote: ! We have detected that you have triggered a build from source code with version ea8f6bdcc9bed70627a967065479f5e210e9cead remote: ! at least twice. One common cause of this behavior is attempting to deploy code from a different branch. remote: ! remote: ! If you are developing on a branch and deploying via git you must run: remote: ! remote: ! git push heroku <branchname>:main remote: ! remote: ! This article goes into details on the behavior: remote: ! https://devcenter.heroku.com/articles/duplicate-build-version remote: remote: Verifying deploy... remote: remote: ! Push rejected to devdocs. remote: To https://git.heroku.com/devdocs.git ! [remote rejected] HEAD -> main (pre-receive hook declined) error: failed to push some refs to 'https://git.heroku.com/devdocs.git'

The Ubuntu-20.04 brownout takes place from 2025-02-01. For more details, see https://github.com/actions/runner-images/issues/11101