Any idea to fix this (I am using Rails 2.3.11):
$ heroku rake db:migrate --app myapp --trace rake/rdoctask is deprecated. Use rdoc/task instead (in RDoc 2.4.2+) rake aborted! undefined method `task' for #<Spec::Rake::SpecTask:0x7f690b4eecf8> /app/lib/tasks/rspec.rake:28:in `initialize' /app/lib/tasks/rspec.rake:58:in `new' /app/lib/tasks/rspec.rake:58 /app/.bundle/gems/ruby/1.8/gems/activesupport-2.3.11/lib/ active_support /dependencies.rb:171:in `load_without_new_constant_marking' /app/.bundle/gems/ruby/1.8/gems/activesupport-2.3.11/lib/ active_support /dependencies.rb:171:in `load'
/app/.bundle/gems/ruby/1.8/gems/activesupport-2.3.11/lib/ active_support /dependencies.rb:547:in `new_constants_in'
/app/.bundle/gems/ruby/1.8/gems/activesupport-2.3.11/lib/ active_support /dependencies.rb:171:in `load'
/app/.bundle/gems/ruby/1.8/gems/rails-2.3.11/lib/tasks/rails.rb:14
/app/.bundle/gems/ruby/1.8/gems/rails-2.3.11/lib/tasks/rails.rb:14:in `each'
/app/.bundle/gems/ruby/1.8/gems/rails-2.3.11/lib/tasks/rails.rb:14
/app/Rakefile:10:in `require'
/app/Rakefile:10
/app/.bundle/gems/ruby/1.8/gems/rake-0.9.0/lib/rake/rake_module.rb: 25:in `load'
/app/.bundle/gems/ruby/1.8/gems/rake-0.9.0/lib/rake/rake_module.rb: 25:in `load_rakefile'
/app/.bundle/gems/ruby/1.8/gems/rake-0.9.0/lib/rake/application.rb: 495:in `raw_load_rakefile'
/app/.bundle/gems/ruby/1.8/gems/rake-0.9.0/lib/rake/application.rb: 78:in `load_rakefile'
/app/.bundle/gems/ruby/1.8/gems/rake-0.9.0/lib/rake/application.rb: 129:in `standard_exception_handling'
/app/.bundle/gems/ruby/1.8/gems/rake-0.9.0/lib/rake/application.rb: 77:in `load_rakefile'
/app/.bundle/gems/ruby/1.8/gems/rake-0.9.0/lib/rake/application.rb: 61:in `run'
/app/.bundle/gems/ruby/1.8/gems/rake-0.9.0/lib/rake/application.rb: 129:in `standard_exception_handling'
/app/.bundle/gems/ruby/1.8/gems/rake-0.9.0/lib/rake/application.rb: 59:in `run'
/app/.bundle/gems/ruby/1.8/gems/rake-0.9.0/bin/rake:31
/usr/ruby1.8.7/bin/rake:19:in `load'
/usr/ruby1.8.7/bin/rake:19
My Gemfile.lock
GEM remote: http://rubygems.org/ specs: RedCloth (4.2.7) actionmailer (2.3.11) actionpack (= 2.3.11) actionpack (2.3.11) activesupport (= 2.3.11) rack (~> 1.1.0) activerecord (2.3.11) activesupport (= 2.3.11) activeresource (2.3.11) activesupport (= 2.3.11) activesupport (2.3.11) annotate (2.4.0) cells (3.3.5) configuration (1.2.0) crypt (1.1.4) daemons (1.1.3) eventmachine (0.12.10) exceptional (2.0.32) rack faker (0.3.0) heroku (2.2.4) launchy (>= 0.3.2) rest-client (~> 1.6.1) term-ansicolor (~> 1.0.5) heroku_san (1.2.0) heroku rails (>= 2) launchy (0.4.0) configuration (>= 0.0.5) rake (>= 0.8.1) lockfile (1.4.3) machinist (1.0.6) mime-types (1.16) mocha (0.9.12) mysql (2.8.1) mysql2 (0.3.2) pg (0.11.0) rack (1.1.2) rails (2.3.11) actionmailer (= 2.3.11) actionpack (= 2.3.11) activerecord (= 2.3.11) activeresource (= 2.3.11) activesupport (= 2.3.11) rake (>= 0.8.3) rake (0.8.7) rdoc (3.6.1) rest-client (1.6.3) mime-types (>= 1.16) ri_cal (0.8.8) rspec (1.3.2) rspec-rails (1.3.4) rack (>= 1.0.0) rspec (~> 1.3.1) sequel (3.20.0) sinatra (1.0) rack (>= 1.0) sqlite3 (1.3.3) sqlite3-ruby (1.3.3) sqlite3 (>= 1.3.3) taps (0.3.23) rack (>= 1.0.1) rest-client (< 1.7.0, >= 1.4.0) sequel (~> 3.20.0) sinatra (~> 1.0.0) sqlite3-ruby (~> 1.2) term-ansicolor (1.0.5) thin (1.2.11) daemons (>= 1.0.9) eventmachine (>= 0.12.6) rack (>= 1.0.0)
PLATFORMS ruby
DEPENDENCIES RedCloth (>= 4.0) annotate cells (= 3.3.5) crypt exceptional faker (= 0.3.0) heroku_san lockfile machinist mocha mysql mysql2 pg rails (~> 2.3.11) rake (~> 0.8.7) rdoc ri_cal rspec-rails (= 1.3.4) taps thin
