Nightly CI build for the Rails repo

Daily build with Ruby head

Failed in 32m 22s
:pipeline: rails-nightly-initial-pipeline
activerecord mysql2 (master) [prepared_statements]rake db:mysql:rebuild mysql2:test
Waited 4s
·
Ran in 4m 1s
activerecord postgresql (master-debug)rake db:postgresql:rebuild postgresql:test
Waited 31s
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Ran in 8m 19s
Total Job Run Time: 10h 20m