Yasuo Honda

I don’t have a strong preference regarding this behavior change, but for reference, it was introduced in stringio 3.1.2, not Ruby itself. - Ruby 3.3.8 with stringio 3.1.1 as a...

It looks like there are two `bundler` installed in this environment `/usr/local/lib/ruby/4.0.0+0/bundler/` `/usr/local/lib/ruby/gems/4.0.0+0/gems/bundler-4.0.0/` I am assuming the first one is shipped with Ruby itself and second one is installed via...

I have managed to reproduce it. ### Steps to reproduce 1. Install Docker Desktop and Docker Compose ```% docker -vDocker version 29.0.1, build eedd969 % docker compose version Docker Compose...

This issue is resolved by removing https://github.com/rails/buildkite-config/blob/9889621fd45e5fbdef85ac064a36accad9cac29b/Dockerfile#L11 ```ruby % cd .buildkite ~/src/github.com/rails/rails/.buildkite % git diff main diff --git a/Dockerfile b/Dockerfile index aa3e984..cfb0b3b 100644 --- a/Dockerfile +++ b/Dockerfile @@ -8,7 +8,6...

Opened https://github.com/rails/buildkite-config/pull/153

Opened https://github.com/ruby/rubygems/issues/9172

This issue will be resolved by RubyGems and Bundler 4.0.1 including https://github.com/ruby/rubygems/pull/9167 . https://github.com/rails/buildkite-config/pull/153 may not be mandatory.

It still fails with Ruby master branch. https://buildkite.com/rails/rails-nightly/builds/3321#019b04ea-9dbe-48ac-b958-9f647c3e8c92/1395-1407 ```ruby Failure: ScaffoldGeneratorTest#test_scaffold_tests_pass_by_default_inside_mountable_engine [test/generators/scaffold_generator_test.rb:580]: Expected /8 runs, 12 assertions, 0 failures, 0 errors/ to match "/usr/local/lib/ruby/gems/4.0.0+0/gems/bundler-4.0.1/lib/bundler/rubygems_ext.rb:177: warning: already initialized constant Gem::VALIDATES_FOR_RESOLUTION\n/usr/local/lib/ruby/4.0.0+0/bundler/rubygems_ext.rb:177: warning:...

Reproduced with Ruby master branch and Bundler 4.0.1. Then opened https://github.com/ruby/rubygems/issues/9181

This issue has been fixed by https://github.com/ruby/ruby/commit/d6b40320b2cfecf9802e664a4869353d195fcc6d and Rails Nightly CI is green now https://buildkite.com/rails/rails-nightly/builds/3333