fluentd error

Dockerfile

FROM debian:wheezy

# install packages
ENV DEBIAN_FRONTEND noninteractive
RUN apt-get update && apt-get upgrade -y

#install tools for logging and process administration
RUN apt-get install -y monit rsyslog
WORKDIR /
RUN apt-get install -y ruby ruby-dev build-essential wget
RUN gem install fluentd --no-ri --no-rdoc
ENV PATH /.gem/ruby/2.1.0/bin:$PATH
RUN mkdir -p /var/log/fluent
RUN mkdir -p /var/run/fluent

# install fluent-plugins
RUN apt-get install -y libmysqlclient-dev libpq-dev
RUN gem install tzinfo -v 0.3.42 --no-ri --no-rdoc
RUN gem install fluent-plugin-sql fluent-plugin-tail-multiline --no-ri --no-rdoc

error

# /usr/local/bin/fluentd -d /var/run/fluent/fluentd.pid -c /etc/fluent/fluentd.conf

2015-02-02 16:06:16 +0000 [info]: reading config file path="/etc/fluent/fluentd.conf"
2015-02-02 16:06:16 +0000 [info]: starting fluentd-0.12.4
2015-02-02 16:06:16 +0000 [info]: gem 'fluent-plugin-sql' version '0.3.0'
2015-02-02 16:06:16 +0000 [info]: gem 'fluent-plugin-tail-multiline' version '0.1.5'
2015-02-02 16:06:16 +0000 [info]: gem 'fluentd' version '0.12.4'
2015-02-02 16:06:16 +0000 [info]: gem 'fluentd' version '0.10.59'
2015-02-02 16:06:16 +0000 [info]: using configuration file: <ROOT>
  <source>
    type monitor_agent
    bind 0.0.0.0
    port 24220
  </source>
  <source>
    type syslog
    tag system
  </source>
  <source>
    type tail
    format nginx
    path /var/log/nginx/access.log
    tag nginx.access
    pos_file /var/log/fluent/nginx.access.pos
  </source>
  <source>
    type tail
    format nginx
    path /var/log/nginx/error.log
    tag nginx.error
    pos_file /var/log/fluent/nginx.error.pos
  </source>
  <source>
    type tail
    format /^\[(?<time>[^\]]+)\]\s+(?<level>[^ ]*)\s*:\s*(?<message>.*)$/
    path /var/log/monit.log
    tag monit
    pos_file /var/log/fluent/monit.pos
  </source>
  <source>
    type tail
    format /^\[(?<time>[^\]]+)\]\s+(?<level>[^ ]*)\s*:\s*(?<message>.*)$/
    path /var/log/monit.log
    tag monit
    pos_file /var/log/fluent/monit.pos
  </source>
  <source>
    type sql
    host localhost
    database ========
    adapter mysql2
    username ========
    password ========
    tag_prefix ========
    select_interval 3s
    select_limit 500
    state_file /var/run/fluent/sql_state
    <table>
      table ========
      tag log
      update_column id
      time_column logtime
    </table>
  </source>
  <match **>
    type copy
    <store>
      type file
      path /tmp/test.log
    </store>
  </match>
  <match **>
    type forward
    send_timeout 60s
    recover_wait 10s
    heartbeat_interval 1s
    phi_threshold 16
    hard_timeout 60s
    <server>
      name ========
      host ========
      port ========
      weight 60
    </server>
  </match>
</ROOT>
2015-02-02 16:06:16 +0000 [info]: adding match pattern="**" type="copy"
2015-02-02 16:06:16 +0000 [info]: adding match pattern="**" type="forward"
2015-02-02 16:06:16 +0000 [info]: adding forwarding server '======' host="=======" port=24224 weight=60 plugin_id="object:1065ff8"
2015-02-02 16:06:16 +0000 [info]: adding source type="monitor_agent"
2015-02-02 16:06:16 +0000 [info]: adding source type="syslog"
2015-02-02 16:06:16 +0000 [info]: adding source type="tail"
2015-02-02 16:06:16 +0000 [info]: adding source type="tail"
2015-02-02 16:06:16 +0000 [info]: adding source type="tail"
2015-02-02 16:06:16 +0000 [info]: adding source type="tail"
2015-02-02 16:06:16 +0000 [info]: adding source type="sql"
/usr/lib/ruby/1.9.1/rubygems/specification.rb:1637:in `raise_if_conflicts': Unable to activate activesupport-4.0.13, because tzinfo-1.2.2 conflicts with tzinfo (~> 0.3.37) (Gem::LoadError)
	from /usr/lib/ruby/1.9.1/rubygems/specification.rb:746:in `activate'
	from /usr/lib/ruby/1.9.1/rubygems/specification.rb:780:in `block in activate_dependencies'
	from /usr/lib/ruby/1.9.1/rubygems/specification.rb:766:in `each'
	from /usr/lib/ruby/1.9.1/rubygems/specification.rb:766:in `activate_dependencies'
	from /usr/lib/ruby/1.9.1/rubygems/specification.rb:750:in `activate'
	from /usr/lib/ruby/1.9.1/rubygems.rb:212:in `rescue in try_activate'
	from /usr/lib/ruby/1.9.1/rubygems.rb:209:in `try_activate'
	from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:59:in `rescue in require'
	from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:35:in `require'
	from /var/lib/gems/1.9.1/gems/fluent-plugin-sql-0.3.0/lib/fluent/plugin/in_sql.rb:20:in `<module:Fluent>'
	from /var/lib/gems/1.9.1/gems/fluent-plugin-sql-0.3.0/lib/fluent/plugin/in_sql.rb:18:in `<top (required)>'
	from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
	from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/plugin.rb:148:in `block in try_load_plugin'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/plugin.rb:146:in `each'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/plugin.rb:146:in `try_load_plugin'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/plugin.rb:106:in `new_impl'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/plugin.rb:53:in `new_input'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/root_agent.rb:144:in `add_source'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/root_agent.rb:91:in `block in configure'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/root_agent.rb:88:in `each'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/root_agent.rb:88:in `configure'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/engine.rb:97:in `configure'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/engine.rb:77:in `run_configure'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/supervisor.rb:399:in `run_configure'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/supervisor.rb:138:in `block in start'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/supervisor.rb:266:in `call'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/supervisor.rb:266:in `main_process'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/supervisor.rb:241:in `block in supervise'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/supervisor.rb:240:in `fork'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/supervisor.rb:240:in `supervise'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/supervisor.rb:134:in `start'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/lib/fluent/command/fluentd.rb:167:in `<top (required)>'
	from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
	from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
	from /var/lib/gems/1.9.1/gems/fluentd-0.12.4/bin/fluentd:6:in `<top (required)>'
	from /usr/local/bin/fluentd:23:in `load'
	from /usr/local/bin/fluentd:23:in `<main>'