Puma log output on a vanilla-ish Rails 5.rc3

foreman.log

> foreman start                                                                                                                                                  Personal/amazon_link 2.3.1 master@c244df1 
17:34:43 web.1  | started with pid 75366
17:34:43 web.1  | [75366] Puma starting in cluster mode...
17:34:43 web.1  | [75366] * Version 3.4.0 (ruby 2.3.1-p112), codename: Owl Bowl Brawl
17:34:43 web.1  | [75366] * Min threads: 5, max threads: 5
17:34:43 web.1  | [75366] * Environment: development
17:34:43 web.1  | [75366] * Process workers: 2
17:34:43 web.1  | [75366] * Preloading application
17:34:45 web.1  | [75366] * Listening on tcp://0.0.0.0:5000
17:34:45 web.1  | [75366] ! WARNING: Detected 25 Thread(s) started in app boot:
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ea3c6b38@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ea3c6750@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/event/config.rb:19:in `sleep'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3e9b963c8@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3e9b96260@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3e9b960f8@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3e9b95f90@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3e9b95e28@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3e9b95cc0@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3e9b95b58@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3e9b959f0@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3e9b95888@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3e9b95720@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3e9b955b8@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ea5c7450@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ea5c70e0@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/event/config.rb:19:in `sleep'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ebeaefb8@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ebeaee50@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ebeaece8@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ebeaeb80@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ebeaea18@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ebeae8b0@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ebeae748@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ebeae5e0@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ebeae478@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] ! #<Thread:0x007fd3ebeae310@/Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/listen-3.0.8/lib/listen/internals/thread_pool.rb:6 sleep> - /Users/mathie/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/rb-fsevent-0.9.7/lib/rb-fsevent/fsevent.rb:42:in `select'
17:34:45 web.1  | [75366] Use Ctrl-C to stop
17:34:45 web.1  | [75366] - Worker 0 (pid: 75390) booted, phase: 0
17:34:45 web.1  | [75366] - Worker 1 (pid: 75391) booted, phase: 0