* 
 * Upgrading database.
 * 
 * Migrating database.
rake aborted!
cannot load such file -- awesome_nested_set/version
/var/lib/redmine/config/initializers/10-patches.rb:206:in `<top (required)>'
/var/lib/redmine/config/environment.rb:14:in `<top (required)>'
Tasks: TOP => db:migrate => environment
(See full trace by running task with --trace)
 * ERROR: www-apps/redmine-2.5.1::mrueg failed (config phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line  93:  Called pkg_config
 *   environment, line 4109:  Called die
 * The specific snippet of code:
 *           RAILS_ENV="${RAILS_ENV}" ${RUBY} -S rake db:migrate || die;
 * 
 * If you need support, post the output of `emerge --info '=www-apps/redmine-2.5.1::mrueg'`,
 * the complete build log and the output of `emerge -pqv '=www-apps/redmine-2.5.1::mrueg'`.
!!! When you file a bug report, please include the following information:
GENTOO_VM=  CLASSPATH="" JAVA_HOME=""
JAVACFLAGS="" COMPILER=""
and of course, the output of emerge --info =redmine-2.5.1
 * The complete build log is located at '/var/tmp/portage/www-apps/redmine-2.5.1/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/www-apps/redmine-2.5.1/temp/environment'.
 * Working directory: '/var/lib/redmine'
 * S: '/var/tmp/portage/www-apps/redmine-2.5.1/work/redmine-2.5.1'