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我已经低于过去的错误，同时试图做一个混帐推Heroku的主人，而且一直因我的宝石文件有linecache19错误的Heroku
gem 'ruby-debug19', :require => 'ruby-debug'
。
An error occurred while installing linecache19 (0.5.12), and Bundler cannot continue.
Make sure that `gem install linecache19 -v '0.5.12'` succeeds before bundling.
! Failed to install gems via Bundler.
! Heroku push rejected, failed to compile Ruby/rails app
注释掉gem并运行捆绑安装和重新推送通常会有诀窍，但这次不行。
Linecache19似乎是红宝石debug19的依赖，所以我不明白为什么Heroku上尝试安装linecache19当我从宝石文件
我Gemfile.lock的文件是删除红宝石debug19如下：
specs:
activeadmin (0.4.3)
bourbon (>= 1.0.0)
devise (>= 1.1.2)
fastercsv
formtastic (>= 2.0.0)
inherited_resources (> 0)
jquery-rails (>= 1.0.0)
kaminari (>= 0.13.0)
meta_search (>= 0.9.2)
rails (>= 3.0.0)
sass (>= 3.1.0)
GEM
remote: https://rubygems.org/
specs:
actionmailer (3.2.1)
actionpack (= 3.2.1)
mail (~> 2.4.0)
actionpack (3.2.1)
activemodel (= 3.2.1)
activesupport (= 3.2.1)
builder (~> 3.0.0)
erubis (~> 2.7.0)
journey (~> 1.0.1)
rack (~> 1.4.0)
rack-cache (~> 1.1)
rack-test (~> 0.6.1)
sprockets (~> 2.1.2)
activemodel (3.2.1)
activesupport (= 3.2.1)
builder (~> 3.0.0)
activerecord (3.2.1)
activemodel (= 3.2.1)
activesupport (= 3.2.1)
arel (~> 3.0.0)
tzinfo (~> 0.3.29)
activeresource (3.2.1)
activemodel (= 3.2.1)
activesupport (= 3.2.1)
activesupport (3.2.1)
i18n (~> 0.6)
multi_json (~> 1.0)
arel (3.0.0)
bcrypt-ruby (3.0.1)
bourbon (1.4.0)
sass (>= 3.1)
builder (3.0.0)
coffee-rails (3.2.2)
coffee-script (>= 2.2.0)
railties (~> 3.2.0)
coffee-script (2.2.0)
coffee-script-source
execjs
coffee-script-source (1.2.0)
commonjs (0.2.6)
devise (2.0.0)
bcrypt-ruby (~> 3.0)
orm_adapter (~> 0.0.3)
railties (~> 3.1)
warden (~> 1.1)
erubis (2.7.0)
execjs (1.3.0)
multi_json (~> 1.0)
fastercsv (1.5.4)
foreigner (1.1.2)
activerecord (>= 3.0.0)
formtastic (2.1.1)
actionpack (~> 3.0)
has_scope (0.5.1)
hike (1.2.1)
i18n (0.6.0)
inherited_resources (1.3.1)
has_scope (~> 0.5.0)
responders (~> 0.6)
journey (1.0.1)
jquery-rails (2.0.0)
railties (>= 3.2.0.beta, < 5.0)
thor (~> 0.14)
json (1.6.5)
kaminari (0.13.0)
actionpack (>= 3.0.0)
activesupport (>= 3.0.0)
railties (>= 3.0.0)
less (2.2.1)
commonjs (~> 0.2.6)
less-rails (2.2.3)
actionpack (>= 3.1)
less (~> 2.2.0)
libv8 (3.3.10.4)
macaddr (1.5.0)
systemu (>= 2.4.0)
mail (2.4.1)
i18n (>= 0.4.0)
mime-types (~> 1.16)
treetop (~> 1.4.8)
meta_search (1.1.3)
actionpack (~> 3.1)
activerecord (~> 3.1)
activesupport (~> 3.1)
polyamorous (~> 0.5.0)
mime-types (1.17.2)
multi_json (1.0.4)
orm_adapter (0.0.6)
pg (0.12.2)
polyamorous (0.5.0)
activerecord (~> 3.0)
polyglot (0.3.3)
rack (1.4.1)
rack-cache (1.1)
rack (>= 0.4)
rack-ssl (1.3.2)
rack
rack-test (0.6.1)
rack (>= 1.0)
rails (3.2.1)
actionmailer (= 3.2.1)
actionpack (= 3.2.1)
activerecord (= 3.2.1)
activeresource (= 3.2.1)
activesupport (= 3.2.1)
bundler (~> 1.0)
railties (= 3.2.1)
railties (3.2.1)
actionpack (= 3.2.1)
activesupport (= 3.2.1)
rack-ssl (~> 1.3.2)
rake (>= 0.8.7)
rdoc (~> 3.4)
thor (~> 0.14.6)
rake (0.9.2.2)
rdoc (3.12)
json (~> 1.4)
responders (0.9.0)
railties (~> 3.1)
sass (3.1.14)
sass-rails (3.2.4)
railties (~> 3.2.0)
sass (>= 3.1.10)
tilt (~> 1.3)
sprockets (2.1.2)
hike (~> 1.2)
rack (~> 1.0)
tilt (~> 1.1, != 1.3.0)
systemu (2.4.2)
therubyracer (0.10.1)
libv8 (~> 3.3.10)
thor (0.14.6)
tilt (1.3.3)
treetop (1.4.10)
polyglot
polyglot (>= 0.3.1)
twitter-bootstrap-rails (2.1.1)
actionpack (>= 3.1)
less-rails (~> 2.2.2)
railties (>= 3.1)
therubyracer (= 0.10.1)
tzinfo (0.3.31)
uglifier (1.2.3)
execjs (>= 0.3.0)
multi_json (>= 1.0.2)
uuid (2.3.5)
macaddr (~> 1.0)
warden (1.1.0)
rack (>= 1.0)
PLATFORMS
ruby
DEPENDENCIES
activeadmin!
coffee-rails (~> 3.2.1)
devise (= 2.0.0)
foreigner
jquery-rails (>= 1.0.12)
pg
rails (= 3.2.1)
sass-rails (~> 3.2.3)
twitter-bootstrap-rails
uglifier (>= 1.0.3)
uuid
为什么Heroku仍然试图安装linecache19，我该如何解决这个问题？
例如，我可以清空我的Heroku大师，并重新从头开始推？ （它不是生产，所以我可以负担得起）