~/.rvm/gems/ruby-3.3.0/gems/net-ssh-7.2.1/lib/net/ssh/known_hosts.rb:3: warning: base64 was loaded from the standard library, but will no longer be part of the default gems since Ruby 3.4.0. Add base64 to your Gemfile or gemspec. Also contact author of net-ssh-7.2.1 to add base64 into its gemspec.

[arthurduarte1]

Steps to reproduce

Simple do: cap production deploy using ruby v3.3.0 and Capistrano v3.17

Expected behavior

Show nothing.

Actual behavior

Show Warning message about net-ssh library

System configuration

Environment

Ruby     ruby 3.3.0 (2023-12-25 revision 5124f9ac75) [arm64-darwin23]
Rubygems 3.5.3
Bundler  2.5.3
Command  ~/.rvm/gems/ruby-3.3.0/bin/cap production doctor

Gems

capistrano 3.18.0
airbrussh  1.5.1
rake       13.1.0
sshkit     1.22.0
net-ssh    7.2.1

[mattbrictson]

As indicated in the warning message, this is a net-ssh issue. It should be fixed in the next release of net-ssh. See: net-ssh/net-ssh#933