Stuck sidekiq workers debugging

TTIN log output

W, [2016-11-09T10:44:06.021893 #9]  WARN -- : Thread TID-osip1khvg 
W, [2016-11-09T10:44:06.022035 #9]  WARN -- : /usr/local/lib/ruby/2.3.0/openssl/buffering.rb:125:in `sysread'
/usr/local/lib/ruby/2.3.0/openssl/buffering.rb:125:in `readpartial'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/http-2.0.2/lib/http/timeout/null.rb:44:in `readpartial'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/http-2.0.2/lib/http/connection.rb:212:in `read_more'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/http-2.0.2/lib/http/connection.rb:87:in `readpartial'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/http-2.0.2/lib/http/response/body.rb:50:in `to_s'
/usr/local/lib/ruby/2.3.0/forwardable.rb:189:in `empty?'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/bundler/gems/twitter-60eb2569fcaf/lib/twitter/rest/request.rb:37:in `perform'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/bundler/gems/twitter-60eb2569fcaf/lib/twitter/rest/utils.rb:50:in `perform_request'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/bundler/gems/twitter-60eb2569fcaf/lib/twitter/rest/utils.rb:95:in `perform_request_with_objects'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/bundler/gems/twitter-60eb2569fcaf/lib/twitter/rest/utils.rb:80:in `perform_get_with_objects'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/bundler/gems/twitter-60eb2569fcaf/lib/twitter/rest/timelines.rb:26:in `mentions_timeline'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/bundler/gems/adapter-46e7c448c582/lib/onlim/adapter/feedback/twitter_comments.rb:39:in `call'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/bundler/gems/adapter-46e7c448c582/lib/onlim/adapter/abstract_adapter.rb:10:in `call'
/home/onlim/tell_it/app/workers/twitter_comments_worker.rb:40:in `perform'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/processor.rb:155:in `execute_job'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/processor.rb:136:in `block (3 levels) in process'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/middleware/chain.rb:128:in `block in invoke'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/newrelic_rpm-3.15.1.316/lib/new_relic/agent/instrumentation/sidekiq.rb:33:in `block in call'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/newrelic_rpm-3.15.1.316/lib/new_relic/agent/instrumentation/controller_instrumentation.rb:362:in `perform_action_with_newrelic_trace'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/newrelic_rpm-3.15.1.316/lib/new_relic/agent/instrumentation/sidekiq.rb:29:in `call'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/middleware/server/active_record.rb:6:in `call'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/middleware/server/retry_jobs.rb:74:in `call'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/middleware/server/logging.rb:11:in `block in call'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/logging.rb:32:in `with_context'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/middleware/server/logging.rb:7:in `call'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/middleware/chain.rb:130:in `block in invoke'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/middleware/chain.rb:133:in `invoke'
/home/onlim/tell_it/vendor/bundle/ruby/2.3.1/gems/sidekiq-4.2.2/lib/sidekiq/processor.rb:131:in `block (2 levels) in process'