本番環境で初期データを投入するためにrakeのコマンドを打つと大量のエラーが出ます。
警告が多く、何から手をつけたらいいかも分からない状況です。
何卒、宜しくおねがいします。

環境

サーバー
AWS

Railsバージョン
5.0.7.2

Rubyバージョン
2.5.1p57

Bundlerバージョン
2.0.2

Capistranoを使って自動デプロイをしています。

エラー内容

実行したいコマンド
rails db:seed RAILS_ENV=production
発生するエラー(長いので省略しています)

/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/file_utils.rb:10: warning: already initialized constant FileUtils::RUBY
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/file_utils.rb:10: warning: previous definition of RUBY was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/file_utils.rb:108: warning: already initialized constant FileUtils::LN_SUPPORTED
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/file_utils.rb:108: warning: previous definition of LN_SUPPORTED was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/file_utils_ext.rb:17: warning: already initialized constant Rake::FileUtilsExt::DEFAULT
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/file_utils_ext.rb:17: warning: previous definition of DEFAULT was here
WARNING: Possible conflict with Rake extension: String#ext already exists
WARNING: Possible conflict with Rake extension: String#pathmap already exists
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:44: warning: already initialized constant Rake::FileList::ARRAY_METHODS
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:44: warning: previous definition of ARRAY_METHODS was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:47: warning: already initialized constant Rake::FileList::MUST_DEFINE
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:47: warning: previous definition of MUST_DEFINE was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:51: warning: already initialized constant Rake::FileList::MUST_NOT_DEFINE
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:51: warning: previous definition of MUST_NOT_DEFINE was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:55: warning: already initialized constant Rake::FileList::SPECIAL_RETURN
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:55: warning: previous definition of SPECIAL_RETURN was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:61: warning: already initialized constant Rake::FileList::DELEGATING_METHODS
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:61: warning: previous definition of DELEGATING_METHODS was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:86: warning: already initialized constant Rake::FileList::GLOB_PATTERN
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:86: warning: previous definition of GLOB_PATTERN was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:381: warning: already initialized constant Rake::FileList::DEFAULT_IGNORE_PATTERNS
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:381: warning: previous definition of DEFAULT_IGNORE_PATTERNS was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:387: warning: already initialized constant Rake::FileList::DEFAULT_IGNORE_PROCS
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/file_list.rb:387: warning: previous definition of DEFAULT_IGNORE_PROCS was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/version.rb:3: warning: already initialized constant Rake::VERSION
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/version.rb:3: warning: previous definition of VERSION was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/version.rb:6: warning: already initialized constant Rake::Version::MAJOR
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/version.rb:6: warning: previous definition of MAJOR was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/version.rb:6: warning: already initialized constant Rake::Version::MINOR
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/version.rb:6: warning: previous definition of MINOR was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/version.rb:6: warning: already initialized constant Rake::Version::BUILD
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/version.rb:6: warning: previous definition of BUILD was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/version.rb:6: warning: already initialized constant Rake::Version::OTHER
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/version.rb:6: warning: previous definition of OTHER was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/version.rb:8: warning: already initialized constant Rake::Version::NUMBERS
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/version.rb:8: warning: previous definition of NUMBERS was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/linked_list.rb:110: warning: already initialized constant Rake::LinkedList::EMPTY
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-13.0.1/lib/rake/linked_list.rb:110: warning: previous definition of EMPTY was here
/var/www/FesLive-app/shared/bundle/ruby/2.5.0/gems/rake-13.0.1/lib/rake/scope.rb:41: warning: already initialized constant Rake::Scope::EMPTY
/home/ec2-user/.rbenv/versions/2.5.1/lib/ruby/gems/2.5.0/gems/rake-