我无法弄清楚这里发生了什么。我在星期二部署到 Heroku 没有问题。我没有在本地或 Gemfile 上更改我的 Ruby 版本，但 heroku 告诉我我已经更改了 Ruby 版本并且它无法找到 net-scp-1.0.6。一切都在本地完美运行，我四处搜索，找不到任何解决类似问题的东西。
Counting objects: 81, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (62/62), done.
Writing objects: 100% (62/62), 10.77 KiB, done.
Total 62 (delta 49), reused 0 (delta 0)
-----> Deleting 8 files matching .slugignore patterns.
-----> Removing .DS_Store files
-----> Ruby/Rails app detected
-----> Using Ruby version: ruby-1.9.3
-----> Installing dependencies using Bundler version 1.3.0.pre.5
Ruby version change detected. Clearing bundler cache.
Old: ruby 1.9.3p327 (2012-11-10 revision 37606) [x86_64-linux]
New: ruby 1.9.3p392 (2013-02-22 revision 39386) [x86_64-linux]
Running: bundle install --without development:test --path vendor/bundle --binstubs vendor/bundle/bin --deployment
Fetching gem metadata from https://rubygems.org/.......
Fetching gem metadata from https://rubygems.org/..
Could not find net-scp-1.0.6 in any of the sources
!
! Failed to install gems via Bundler.
!
! Heroku push rejected, failed to compile Ruby/rails app
这就是我的 Gemfile 的样子。
source 'https://rubygems.org'
ruby '1.9.3'
gem 'rails', '~> 3.2.11'
gem 'aws-sdk'
gem 'jquery-rails'
gem 'jquery-ui-rails'
gem 'pg'
gem 'thin'
gem 'best_in_place'
gem 'stripe'
gem 'paperclip'
gem 'coffeebeans'
gem 'mail'
gem 'bcrypt-ruby', '~> 3.0.0'
gem 'carmen'
gem 'haml'
gem 'devise'
gem 'sinatra', '~> 1.3.2'
gem 'dynamic_form'
gem 'fog', '~> 1.3.1'
gem 'wicked'
gem 'lazy_high_charts', '~> 1.1.5'
gem 'jquery-datatables-rails'
gem 'sass-rails'
group :assets do
gem 'uglifier', '>= 1.0.3'
gem 'coffee-rails', '~> 3.2.1'
end
group :test, :development do
gem 'hirb'
end
任何想法，将不胜感激。谢谢。