[DRE-maint] Bug#905648: ruby-parallel: FTBFS - test failures

[Niels Thykier]

Package: ruby-parallel
Version: 1.12.1-1
Severity: serious

Hi,

The ruby-parallel package FTBFS due to the following test failure:

"""
Failures:

  1) Parallel lambdas runs in threads
     Failure/Error: `ruby spec/cases/with_#{thing}.rb THREADS 2>&1`.should == result

       expected: "ITEM-1\nITEM-2\nITEM-3\n"
            got: "/<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/paral...usr/lib/ruby/vendor_ruby/parallel.rb:262:in `map'\n\tfrom spec/cases/with_queue.rb:18:in `<main>'\n" (using ==)
       Diff:
       @@ -1,4 +1,23 @@
       -ITEM-1
       -ITEM-2
       -ITEM-3
       +/<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:207:in `value': No live threads left. Deadlock? (fatal)
       +2 threads, 2 sleeps current:0x000056125940cf40 main thread:0x0000561258fd10d0
       +* #<Thread:0x0000561259004b70 sleep_forever>
       +   rb_thread_t:0x0000561258fd10d0 native:0x00007efd2c062740 int:1
       +   /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:207:in `value'
       +   /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:207:in `map!'
       +   /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:207:in `in_threads'
       +   /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:335:in `work_in_threads'
       +   /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:262:in `map'
       +   spec/cases/with_queue.rb:18:in `<main>'
       +* #<Thread:0x00005612592e8508@/<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:206 sleep_forever>
       +   rb_thread_t:0x000056125940cf40 native:0x00007efd2bb39700 int:0
       +    depended by: tb_thread_id:0x0000561258fd10d0
       +   /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:102:in `synchronize'
       +   /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:102:in `next'
       +   /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:338:in `block in work_in_threads'
       +   /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:206:in `block (2 levels) in in_threads'
       +	from /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:207:in `map!'
       +	from /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:207:in `in_threads'
       +	from /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:335:in `work_in_threads'
       +	from /<<PKGBUILDDIR>>/debian/ruby-parallel/usr/lib/ruby/vendor_ruby/parallel.rb:262:in `map'
       +	from spec/cases/with_queue.rb:18:in `<main>'
     # ./spec/parallel_spec.rb:574:in `block (4 levels) in <top (required)>'
     # ./spec/spec_helper.rb:8:in `block (2 levels) in <top (required)>'

Finished in 47.46 seconds (files took 0.16615 seconds to load)
120 examples, 1 failure, 9 pending

Failed examples:

rspec './spec/parallel_spec.rb[1:13:1]' # Parallel lambdas runs in threads

/usr/bin/ruby2.5 /usr/bin/rspec --pattern ./spec/\*\*/\*_spec.rb --format documentation failed
ERROR: Test "ruby2.5" failed. Exiting.
dh_auto_install: dh_ruby --install /<<PKGBUILDDIR>>/debian/ruby-parallel returned exit code 1
make: *** [debian/rules:5: binary-indep] Error 1
dpkg-buildpackage: error: fakeroot debian/rules binary-indep subprocess returned exit status 2
--------------------------------------------------------------------------------
"""

Thanks,
~Niels