$ gem pristine openssl --version 2.2.0 Ignoring jaro_winkler-1.5.1 because its extensions are not built. Try: gem pristine jaro_winkler --version 1.5.1 Ignoring nokogiri-1.10.10 because its extensions are not built. Try: gem pristine nokogiri --version 1.10.10 Ignoring nokogiri-1.10.9 because its extensions are not built. Try: gem pristine nokogiri --version 1.10.9 Ignoring openssl-2.2.0 because its extensions are not built. Try: gem pristine openssl --version 2.2.0 Ignoring pg-0.21.0 because its extensions are not built. Try: gem pristine pg --version 0.21.0 Ignoring unf_ext-0.0.7.7 because its extensions are not built. Try: gem pristine unf_ext --version 0.0.7.7 Error loading RubyGems plugin "/home/bogdan/.rvm/rubies/ruby-2.5.1/lib/ruby/gems/2.5.0/gems/executable-hooks-1.6.0/lib/rubygems_plugin.rb": incompatible library version - /home/bogdan/.rvm/gems/ruby-2.5.1/gems/openssl-2.2.0/lib/openssl.so (LoadError) Error loading RubyGems plugin "/home/bogdan/.rvm/gems/ruby-2.5.1/gems/gem-release-2.0.1/lib/rubygems_plugin.rb": incompatible library version - /home/bogdan/.rvm/gems/ruby-2.5.1/gems/openssl-2.2.0/lib/openssl.so (LoadError) Error loading RubyGems plugin "/home/bogdan/.rvm/rubies/ruby-2.5.1/lib/ruby/gems/2.5.0/gems/gem-wrappers-1.4.0/lib/rubygems_plugin.rb": incompatible library version - /home/bogdan/.rvm/gems/ruby-2.5.1/gems/openssl-2.2.0/lib/openssl.so (LoadError) Ignoring jaro_winkler-1.5.1 because its extensions are not built. Try: gem pristine jaro_winkler --version 1.5.1 Ignoring nokogiri-1.10.10 because its extensions are not built. Try: gem pristine nokogiri --version 1.10.10 Ignoring nokogiri-1.10.9 because its extensions are not built. Try: gem pristine nokogiri --version 1.10.9 Ignoring openssl-2.2.0 because its extensions are not built. Try: gem pristine openssl --version 2.2.0 Ignoring pg-0.21.0 because its extensions are not built. Try: gem pristine pg --version 0.21.0 Ignoring unf_ext-0.0.7.7 because its extensions are not built. Try: gem pristine unf_ext --version 0.0.7.7 ERROR: Loading command: pristine (LoadError) incompatible library version - /home/bogdan/.rvm/gems/ruby-2.5.1/gems/openssl-2.2.0/lib/openssl.so ERROR: While executing gem ... (NoMethodError) undefined method `invoke_with_build_args' for nil:NilClass