Fastlane crash

gistfile1.txt

# Fastlane  v1.27.0
# gym v0.6.2

[13:17:00]: Successfully exported and compressed dSYM file
[13:17:00]: -------------------
[13:17:00]: --- Step: slack ---
[13:17:00]: -------------------
[13:17:04]: Successfully sent Slack notification
[13:17:04]: Variable Dump:
[13:17:04]: {:DEFAULT_PLATFORM=>:ios, :ENVIRONMENT=>nil, :PLATFORM_NAME=>:ios, :LANE_NAME=>"ios beta", :BUILD_NUMBER=>"35"}
[13:17:04]: same file: /tmp/1442648796/Appname.ipa and /tmp/1442648796/Appname.ipa

+------+-------------------------------------+-------------+
|                     fastlane summary                     |
+------+-------------------------------------+-------------+
| Step | Action                              | Time (in s) |
+------+-------------------------------------+-------------+
| 1    | Verifying required fastlane version | 0           |
| 2    | default_platform                    | 0           |
| 3    | increment_build_number              | 0           |
| 4    | gym                                 | 45          |
| 5    | slack                               | 3           |
+------+-------------------------------------+-------------+

[13:17:04]: fastlane finished with errors
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:1551:in `block in fu_each_src_dest': same file: /tmp/1442648796/Appname.ipa and /tmp/1442648796/Appname.ipa (ArgumentError)
	from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:1568:in `fu_each_src_dest0'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:1550:in `fu_each_src_dest'
	from /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:508:in `mv'
	from /Library/Ruby/Gems/2.0.0/gems/gym-0.6.2/lib/gym/generators/package_command_generator_xcode7.rb:44:in `ipa_path'
	from /Library/Ruby/Gems/2.0.0/gems/gym-0.6.2/lib/gym/generators/package_command_generator.rb:20:in `ipa_path'
	from /Library/Ruby/Gems/2.0.0/gems/gym-0.6.2/lib/gym/runner.rb:128:in `move_ipa'
	from /Library/Ruby/Gems/2.0.0/gems/gym-0.6.2/lib/gym/runner.rb:19:in `run'
	from /Library/Ruby/Gems/2.0.0/gems/gym-0.6.2/lib/gym/manager.rb:8:in `work'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/actions/gym.rb:20:in `run'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/runner.rb:142:in `block (2 levels) in execute_action'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/actions/actions_helper.rb:37:in `execute_action'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/runner.rb:128:in `block in execute_action'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/runner.rb:127:in `chdir'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/runner.rb:127:in `execute_action'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/fast_file.rb:134:in `method_missing'
	from (eval):30:in `block (3 levels) in parse'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/runner.rb:48:in `call'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/runner.rb:48:in `block in execute'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/runner.rb:46:in `chdir'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/runner.rb:46:in `execute'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/lane_manager.rb:43:in `cruise_lane'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/lib/fastlane/command_line_handler.rb:31:in `handle'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/bin/fastlane:36:in `block (2 levels) in run'
	from /Library/Ruby/Gems/2.0.0/gems/commander-4.3.5/lib/commander/command.rb:178:in `call'
	from /Library/Ruby/Gems/2.0.0/gems/commander-4.3.5/lib/commander/command.rb:178:in `call'
	from /Library/Ruby/Gems/2.0.0/gems/commander-4.3.5/lib/commander/command.rb:153:in `run'
	from /Library/Ruby/Gems/2.0.0/gems/commander-4.3.5/lib/commander/runner.rb:428:in `run_active_command'
	from /Library/Ruby/Gems/2.0.0/gems/commander-4.3.5/lib/commander/runner.rb:68:in `run!'
	from /Library/Ruby/Gems/2.0.0/gems/commander-4.3.5/lib/commander/delegates.rb:15:in `run!'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/bin/fastlane:127:in `run'
	from /Library/Ruby/Gems/2.0.0/gems/fastlane-1.27.0/bin/fastlane:133:in `<top (required)>'
	from /usr/bin/fastlane:23:in `load'
	from /usr/bin/fastlane:23:in `<main>'