DEPRECATION WARNING

[diogowernik]

DEPRECATION WARNING: Sprockets method register_engine is deprecated.
Please register a mime type using register_mime_type then
use register_compressor or register_transformer.
https://github.com/rails/sprockets/blob/master/guides/extending_sprockets.md#supporting-all-versions-of-sprockets-in-processors
(called from block in class:Railtie at /usr/local/rvm/gems/ruby-2.3.0/gems/less-rails-2.7.1/lib/less/rails/railtie.rb:15)

DEPRECATION WARNING: You are using the a deprecated processor interface Less::Rails::ImportProcessor.
Please update your processor interface:
https://github.com/rails/sprockets/blob/master/guides/extending_sprockets.md#supporting-all-versions-of-sprockets-in-processors
(called from block in class:Railtie at /usr/local/rvm/gems/ruby-2.3.0/gems/less-rails-2.7.1/lib/less/rails/railtie.rb:20)
/usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-4.2.6/lib/action_dispatch/http/mime_type.rb:163: warning: already initialized constant Mime::CSV
/usr/local/rvm/gems/ruby-2.3.0/gems/actionpack-4.2.6/lib/action_dispatch/http/mime_type.rb:163: warning: previous definition of CSV was here

Thin web server (v1.7.0 codename Dunder Mifflin)
Maximum connections set to 1024
Listening on localhost:3000, CTRL+C to stop