[DRE-maint] Bug#917144: ruby-cri breaks nanoc autopkgtest

[Paul Gevers]

Source: ruby-cri, nanoc
Control: found -1 ruby-cri/2.15.2-1
Control: found -1 nanoc/4.11.0-1
X-Debbugs-CC: debian-ci at lists.debian.org
User: debian-ci at lists.debian.org
Usertags: breaks needs-update

Dear maintainers,

With a recent upload of ruby-cri the autopkgtest of nanoc fails in
testing when that autopkgtest is run with the binary packages of
ruby-cri from unstable. It passes when run with only packages from
testing. A new upload of nanoc currently in unstable doesn't help. In
tabular form:
                       pass            fail
ruby-cri               from testing    2.15.2-1
nanoc                  from testing    4.11.0-1
all others             from testing    from testing

I copied some of the output at the bottom of this report.

Currently this regression is contributing to the delay of the migration
of ruby-cri and nanoc to testing [1,2]. Due to the nature of this issue,
I filed this bug report against both packages. Can you please
investigate the situation and reassign the bug to the right package? If
needed, please change the bug's severity.

More information about this bug and the reason for filing it can be found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

[1] https://qa.debian.org/excuses.php?package=ruby-cri
[2] https://qa.debian.org/excuses.php?package=nanoc

https://ci.debian.net/data/autopkgtest/testing/amd64/n/nanoc/1569616/log.gz

autopkgtest [04:47:27]: test command1: gem2deb-test-runner --autopkgtest
--check-dependencies 2>&1
autopkgtest [04:47:27]: test command1: [-----------------------

┌──────────────────────────────────────────────────────────────────────────────┐
│ Checking Rubygems dependency resolution on ruby2.5
      │
└──────────────────────────────────────────────────────────────────────────────┘

/usr/lib/ruby/vendor_ruby/gem2deb/test_runner.rb:88:in
`do_check_dependencies': E: dependency resolution check requested but no
working gemspec available (RuntimeError)
	from /usr/lib/ruby/vendor_ruby/gem2deb/test_runner.rb:67:in `run_tests'
	from /usr/bin/gem2deb-test-runner:61:in `<main>'
autopkgtest [04:47:28]: test command1: -----------------------]

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