vagrant環境で rails s をするとFileUtils関連のwarningが発生する

vagrant環境で rails s をするとFileUtils関連のwarningが発生する。rails の起動はしている。

/home/vagrant/.rbenv/versions/2.5.7/lib/ruby/2.5.0/fileutils.rb:90: warning: already initialized constant FileUtils::VERSION
/home/vagrant/.rbenv/versions/2.5.7/lib/ruby/gems/2.5.0/gems/fileutils-1.4.1/lib/fileutils.rb:105: warning: previous definition of VERSION was here
/home/vagrant/.rbenv/versions/2.5.7/lib/ruby/2.5.0/x86_64-linux/etc.so: warning: already initialized constant Etc::SC_AIO_LISTIO_MAX
/home/vagrant/.rbenv/versions/2.5.7/lib/ruby/2.5.0/x86_64-linux/etc.so: warning: already initialized constant Etc::SC_AIO_MAX
・
・

解決策

gem uninstall fileutils
gem update fileutils --default

gem cleanup

bundle clean --force

(https://obel.hatenablog.jp/entry/20181023/1540286546)
(https://qiita.com/taaaaak/items/1b05ce33ffebd2670e6f)
(https://stackoverflow.com/questions/51334732/rails-5-2-0-with-ruby-2-5-1-console-warning-already-initialized-constant)