Nightly CI build for the Rails repo

Daily build with Ruby head

Failed in 47m 43s
:pipeline: rails-nightly-initial-pipeline
activerecord mysql2 (master) [prepared_statements]rake db:mysql:rebuild mysql2:test
Waited 3s
·
Ran in 4m 49s
actioncable integration (yjit)rake test:integration
Waited 1m 34s
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Ran in 1m 2s
Total Job Run Time: 10h 31m