[DRE-maint] Bug#725600: ruby-albino: FTBFS: ERROR: Test "ruby2.0" failed: /usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require': cannot load such file -- posix_spawn_ext (LoadError)

[David Suárez]

Source: ruby-albino
Version: 1.3.3-1
Severity: serious
Tags: jessie sid
User: debian-qa at lists.debian.org
Usertags: qa-ftbfs-20131006 qa-ftbfs ruby2-ftbfs
Justification: FTBFS on amd64

Hi,

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

Relevant part (hopefully):
>  fakeroot debian/rules binary
> dh binary --buildsystem=ruby --with ruby
>    dh_testroot -O--buildsystem=ruby
>    dh_prep -O--buildsystem=ruby
>    dh_auto_install -O--buildsystem=ruby
> /usr/lib/ruby/vendor_ruby/gem2deb.rb:17: warning: setting Encoding.default_external
> /usr/lib/ruby/1.9.1/rubygems/psych_tree.rb:31: warning: method redefined; discarding old visit_String
> /usr/lib/ruby/1.9.1/rubygems/psych_tree.rb:4: warning: previous definition of visit_String was here
> /usr/lib/ruby/1.9.1/rubygems/psych_tree.rb:39: warning: method redefined; discarding old register
> /usr/lib/ruby/1.9.1/rubygems/psych_tree.rb:12: warning: previous definition of register was here
> /usr/lib/ruby/1.9.1/rubygems/psych_tree.rb:43: warning: method redefined; discarding old format_time
> /usr/lib/ruby/1.9.1/rubygems/psych_tree.rb:16: warning: previous definition of format_time was here
> /usr/lib/ruby/1.9.1/rubygems/syck_hack.rb:115: warning: method redefined; discarding old to_s
> /usr/lib/ruby/1.9.1/rubygems/syck_hack.rb:44: warning: previous definition of to_s was here
>   Entering dh_ruby --install
> install -d /«PKGBUILDDIR»/debian/ruby-albino/usr/lib/ruby/vendor_ruby
> install -D -m644 /«PKGBUILDDIR»/lib/albino.rb /«PKGBUILDDIR»/debian/ruby-albino/usr/lib/ruby/vendor_ruby/albino.rb
> install -D -m644 /«PKGBUILDDIR»/lib/albino/multi.rb /«PKGBUILDDIR»/debian/ruby-albino/usr/lib/ruby/vendor_ruby/albino/multi.rb
> /usr/bin/ruby1.9.1 -I/usr/lib/ruby/vendor_ruby /usr/lib/ruby/vendor_ruby/gem2deb/test_runner.rb
> /usr/bin/ruby1.9.1 -I"lib" -I"/usr/lib/ruby/vendor_ruby" "/usr/lib/ruby/vendor_ruby/rake/rake_test_loader.rb" "test/**/*_test.rb" 
> 
> *** Mocha deprecation warning: Change `require 'mocha'` to `require 'mocha/setup'`.
> 
> Run options: 
> 
> # Running tests:
> 
> ......................
> 
> Finished tests in 2.704637s, 8.1342 tests/s, 15.1592 assertions/s.
> 
> 22 tests, 41 assertions, 0 failures, 0 errors, 0 skips
> /usr/bin/ruby2.0 -I/usr/lib/ruby/vendor_ruby /usr/lib/ruby/vendor_ruby/gem2deb/test_runner.rb
> /usr/bin/ruby2.0 -I"lib" -I"/usr/lib/ruby/vendor_ruby" "/usr/lib/ruby/vendor_ruby/rake/rake_test_loader.rb" "test/**/*_test.rb" 
> /usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require': cannot load such file -- posix_spawn_ext (LoadError)
> 	from /usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require'
> 	from /usr/lib/ruby/vendor_ruby/posix/spawn.rb:2:in `<top (required)>'
> 	from /usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require'
> 	from /usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require'
> 	from /usr/lib/ruby/vendor_ruby/posix-spawn.rb:1:in `<top (required)>'
> 	from /usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require'
> 	from /usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require'
> 	from /«PKGBUILDDIR»/lib/albino.rb:1:in `<top (required)>'
> 	from /usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require'
> 	from /usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require'
> 	from /«PKGBUILDDIR»/test/albino_test.rb:4:in `<top (required)>'
> 	from /usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require'
> 	from /usr/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:51:in `require'
> 	from /usr/lib/ruby/vendor_ruby/rake/rake_test_loader.rb:10:in `block (2 levels) in <main>'
> 	from /usr/lib/ruby/vendor_ruby/rake/rake_test_loader.rb:9:in `each'
> 	from /usr/lib/ruby/vendor_ruby/rake/rake_test_loader.rb:9:in `block in <main>'
> 	from /usr/lib/ruby/vendor_ruby/rake/rake_test_loader.rb:4:in `select'
> 	from /usr/lib/ruby/vendor_ruby/rake/rake_test_loader.rb:4:in `<main>'
> rake aborted!
> Command failed with status (1): [ruby -I"lib" -I"/usr/lib/ruby/vendor_ruby" "/usr/lib/ruby/vendor_ruby/rake/rake_test_loader.rb" "test/**/*_test.rb" ]
> -e:1:in `<main>'
> Tasks: TOP => default => test
> (See full trace by running task with --trace)
> ERROR: Test "ruby2.0" failed: 
> dh_auto_install: dh_ruby --install /«PKGBUILDDIR»/debian/ruby-albino returned exit code 1
> make: *** [binary] Error 1

The full build log is available from:
   http://aws-logs.debian.net/ftbfs-logs/2013/10/06/ruby-albino_1.3.3-1_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.