[DRE-maint] Bug#952088: ruby-tins: FTBFS: ERROR: Test "ruby2.7" failed: /usr/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:92:in `require': cannot load such file -- sync (LoadError)

[Lucas Nussbaum]

Source: ruby-tins
Version: 1.1.0-1
Severity: serious
Justification: FTBFS on amd64
Tags: buster sid
Usertags: ftbfs-20200222 ftbfs-buster

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64.

Relevant part (hopefully):
> /usr/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:92:in `require': cannot load such file -- sync (LoadError)
> 	from /usr/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:92:in `require'
> 	from /<<PKGBUILDDIR>>/debian/ruby-tins/usr/lib/ruby/vendor_ruby/tins/dslkit.rb:3:in `<top (required)>'
> 	from /usr/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:92:in `require'
> 	from /usr/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:92:in `require'
> 	from /<<PKGBUILDDIR>>/debian/ruby-tins/usr/lib/ruby/vendor_ruby/tins.rb:51:in `<module:Tins>'
> 	from /<<PKGBUILDDIR>>/debian/ruby-tins/usr/lib/ruby/vendor_ruby/tins.rb:1:in `<top (required)>'
> 	from /usr/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:92:in `require'
> 	from /usr/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:92:in `require'
> 	from /<<PKGBUILDDIR>>/debian/ruby-tins/usr/lib/ruby/vendor_ruby/tins/xt.rb:1:in `<top (required)>'
> 	from /usr/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:92:in `require'
> 	from /usr/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:92:in `require'
> 	from /<<PKGBUILDDIR>>/tests/deep_dup_test.rb:2:in `<top (required)>'
> 	from /usr/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:92:in `require'
> 	from /usr/lib/ruby/2.7.0/rubygems/core_ext/kernel_require.rb:92:in `require'
> 	from debian/ruby-tests.rb:2:in `block in <main>'
> 	from debian/ruby-tests.rb:2:in `each'
> 	from debian/ruby-tests.rb:2:in `<main>'
> ERROR: Test "ruby2.7" failed: 

The full build log is available from:
   http://qa-logs.debian.net/2020/02/22/ruby-tins_1.1.0-1_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.