Nightly CI build for the Rails repo

Daily build with Ruby head

Failed in 55m 9s
:pipeline: rails-nightly-initial-pipeline
activerecord mysql2 (master) [mysql_5_7]rake db:mysql:rebuild mysql2:test
Waited 6s
·
Ran in 4m 56s
activerecord mysql2 (master) [prepared_statements]rake db:mysql:rebuild mysql2:test
Waited 6s
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Ran in 5m 12s
Total Job Run Time: 12h 37m