[DRE-maint] Bug#747730: FTBFS: Test "ruby2.1" failed. Exiting.

[Christian Hofstaedtler]

Source: ruby-em-redis
Version: 0.3.0+gh-1
Severity: serious
Justification: fails to build from source
User: debian-ruby at lists.debian.org
Usertags: ruby2.0-rm

Dear Maintainer,

During a rebuild of ruby-related packages your package failed to
build with these errors:

===================================================================
Running tests for ruby2.1 using debian/ruby-tests.rake ...
/usr/bin/ruby2.1 -S rspec ./spec/live_redis_protocol_spec.rb ./spec/redis_commands_spec.rb ./spec/redis_protocol_spec.rb
/usr/lib/ruby/vendor_ruby/bacon.rb:326:in `satisfy': [["first-interest", "second-interest"], ["third-interest"]].==([["second-interest", "first-interest"], ["third-interest"]]) failed (Bacon::Error)
        from /usr/lib/ruby/vendor_ruby/bacon.rb:340:in `method_missing'
        from /«BUILDDIR»/ruby-em-redis-0.3.0+gh/spec/redis_commands_spec.rb:755:in `block (3 levels) in <top (required)>'
[..]
/usr/lib/ruby/vendor_ruby/bacon.rb:326:in `satisfy': [["first-interest", "second-interest"], ["third-interest"]].==([["second-interest", "first-interest"], ["third-interest"]]) failed (Bacon::Error)
        from /usr/lib/ruby/vendor_ruby/bacon.rb:340:in `method_missing'
        from /«BUILDDIR»/ruby-em-redis-0.3.0+gh/spec/redis_commands_spec.rb:755:in `block (3 levels) in <top (required)>'
===================================================================

Please note that the default ruby recently has been switched to 2.1
in sid. If your package doesn't already do this, please switch to
the ruby(-all)(-dev) metapackages and `dh_ruby --print-supported`
for detecting the ruby to build for.
(Also, if everything goes according to plan, this is the last ruby
transition for jessie.)

About the test rebuild: this build was done in a rather standard
sbuild/schroot setup, on an amd64 host where PID1 is provided by
systemd, and options passed to sbuild were:
  DEB_BUILD_OPTIONS=parallel=12

Please find the full build log attached.

Thanks,
  -ch
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