[DRE-maint] Bug#914270: ruby-sprockets-rails FTBFS: test failure

[Adrian Bunk]

Source: ruby-sprockets-rails
Version: 2.3.2+git-1
Severity: serious
Tags: ftbfs

https://buildd.debian.org/status/fetch.php?pkg=ruby-sprockets-rails&arch=all&ver=2.3.2%2Bgit-1&stamp=1542787326&raw=0

...
┌──────────────────────────────────────────────────────────────────────────────┐
│ Run tests for ruby2.5 from debian/ruby-tests.rake                            │
└──────────────────────────────────────────────────────────────────────────────┘

RUBYLIB=/<<BUILDDIR>>/ruby-sprockets-rails-2.3.2+git/debian/ruby-sprockets-rails/usr/lib/ruby/vendor_ruby:. GEM_PATH=debian/ruby-sprockets-rails/usr/share/rubygems-integration/all:/var/lib/gems/2.5.0:/usr/lib/x86_64-linux-gnu/rubygems-integration/2.5.0:/usr/share/rubygems-integration/2.5.0:/usr/share/rubygems-integration/all ruby2.5 -S rake -f debian/ruby-tests.rake
/usr/bin/ruby2.5 -w -I"test"  "/usr/lib/ruby/vendor_ruby/rake/rake_test_loader.rb" "test/test_helper.rb" "test/test_railtie.rb" "test/test_task.rb" -v
/usr/lib/ruby/vendor_ruby/active_support/core_ext/hash/slice.rb:21: warning: method redefined; discarding old slice
/usr/lib/ruby/vendor_ruby/active_support/core_ext/hash/keys.rb:8: warning: method redefined; discarding old transform_keys
/usr/lib/ruby/vendor_ruby/active_support/core_ext/hash/keys.rb:19: warning: method redefined; discarding old transform_keys!
/usr/lib/ruby/vendor_ruby/active_support/core_ext/enumerable.rb:20: warning: method redefined; discarding old sum
/usr/lib/ruby/vendor_ruby/active_support/core_ext/object/duplicable.rb:111: warning: BigDecimal.new is deprecated; use Kernel.BigDecimal method instead.
Run options: -v --seed 32539

# Running:

AutomaticDependenciesFromHelpersTest#test_ignores_missing_dependencies = 0.37 s = .
AutomaticDependenciesFromHelpersTest#test_dependency_added = 0.06 s = .
AutomaticDependenciesFromHelpersTest#test_truth = 0.08 s = .
HelperTest#test_truth = 0.05 s = .
PrecompileHelperTest#test_truth = 0.06 s = .
PrecompileHelperTest#test_debug_mode = 0.07 s = .
PrecompileHelperTest#test_asset_not_precompiled_error = 0.12 s = .
PrecompileHelperTest#test_non_javascripts_and_stylesheets = 0.06 s = .
PrecompileHelperTest#test_public_folder_fallback_works_correctly = 0.07 s = .
DebugDigestHelperTest#test_javascript_include_tag = 0.10 s = .
DebugDigestHelperTest#test_asset_digest_path = 0.06 s = .
DebugDigestHelperTest#test_stylesheet_link_tag = 0.11 s = .
DebugDigestHelperTest#test_stylesheet_path = 0.06 s = .
DebugDigestHelperTest#test_javascript_path = 0.07 s = .
DebugDigestHelperTest#test_asset_url = 0.07 s = .
DebugDigestHelperTest#test_asset_digest = 0.06 s = .
DebugDigestHelperTest#test_truth = 0.07 s = .
RelativeHostHelperTest#test_truth = 0.06 s = .
RelativeHostHelperTest#test_stylesheet_path = 0.06 s = .
RelativeHostHelperTest#test_asset_url = 0.08 s = .
RelativeHostHelperTest#test_javascript_path = 0.06 s = .
NoHostHelperTest#test_javascript_include_tag = 0.06 s = .
NoHostHelperTest#test_javascript_path = 0.07 s = .
NoHostHelperTest#test_stylesheet_link_tag = 0.06 s = .
NoHostHelperTest#test_truth = 0.05 s = .
NoHostHelperTest#test_stylesheet_path = 0.07 s = .
DebugHelperTest#test_truth = 0.06 s = .
DebugHelperTest#test_stylesheet_path = 0.07 s = .
DebugHelperTest#test_javascript_include_tag = 0.10 s = .
DebugHelperTest#test_javascript_path = 0.06 s = .
DebugHelperTest#test_stylesheet_link_tag = 0.10 s = .
DebugManifestHelperTest#test_truth = 0.06 s = .
DebugManifestHelperTest#test_javascript_path = 0.05 s = .
DebugManifestHelperTest#test_absolute_asset_path_error = 0.07 s = .
DebugManifestHelperTest#test_asset_digest = 0.05 s = .
DebugManifestHelperTest#test_javascript_include_tag = 0.06 s = .
DebugManifestHelperTest#test_stylesheet_link_tag = 0.07 s = .
DebugManifestHelperTest#test_asset_digest_path = 0.06 s = .
DebugManifestHelperTest#test_stylesheet_path = 0.07 s = .
TestTask#test_clean = 0.01 s = .
TestTask#test_clobber = /<<BUILDDIR>>/ruby-sprockets-rails-2.3.2+git/debian/ruby-sprockets-rails/usr/lib/ruby/vendor_ruby/sprockets/rails/task.rb:53: warning: instance variable @cache_path not initialized
0.01 s = .
TestTask#test_precompile = 0.01 s = .
TestTask#test_precompile_without_manifest = 0.01 s = .
NoDigestHelperTest#test_asset_url = 0.07 s = .
NoDigestHelperTest#test_stylesheet_link_tag = 0.08 s = .
NoDigestHelperTest#test_stylesheet_path = 0.06 s = .
NoDigestHelperTest#test_asset_digest = DEPRECATED: Use assert_nil if expecting nil from /<<BUILDDIR>>/ruby-sprockets-rails-2.3.2+git/test/test_helper.rb:275. This will fail in Minitest 6.
DEPRECATED: Use assert_nil if expecting nil from /<<BUILDDIR>>/ruby-sprockets-rails-2.3.2+git/test/test_helper.rb:276. This will fail in Minitest 6.
0.06 s = .
NoDigestHelperTest#test_javascript_include_tag = 0.08 s = .
NoDigestHelperTest#test_javascript_path = 0.06 s = .
NoDigestHelperTest#test_truth = 0.06 s = .
DigestHelperTest#test_asset_digest = 0.07 s = .
DigestHelperTest#test_javascript_include_tag = 0.07 s = .
DigestHelperTest#test_asset_digest_path = 0.07 s = .
DigestHelperTest#test_javascript_path = 0.06 s = .
DigestHelperTest#test_stylesheet_path = 0.06 s = .
DigestHelperTest#test_truth = 0.06 s = .
DigestHelperTest#test_asset_url = 0.07 s = .
DigestHelperTest#test_stylesheet_link_tag = 0.08 s = .
ManifestHelperTest#test_truth = 0.06 s = .
ManifestHelperTest#test_stylesheet_path = 0.06 s = .
ManifestHelperTest#test_javascript_path = 0.06 s = .
ManifestHelperTest#test_absolute_asset_path_error = 0.07 s = .
ManifestHelperTest#test_javascript_include_tag = 0.08 s = .
ManifestHelperTest#test_stylesheet_link_tag = 0.07 s = .
ManifestHelperTest#test_asset_digest = 0.07 s = .
ManifestHelperTest#test_asset_digest_path = 0.06 s = .
TestBoot#test_initialize = TestRailtie#test_configure = Minitest::Runnable#marshal_dump is deprecated. You might be violating internals. From /usr/lib/ruby/vendor_ruby/active_support/testing/isolation.rb:46:in `dump'
#<Thread:0x000055d6cb2d0b20@/usr/lib/ruby/vendor_ruby/minitest/parallel.rb:28 run> terminated with exception (report_on_exception is true):
/usr/lib/ruby/vendor_ruby/minitest.rb:961:in `run_one_method': TestBoot#run _must_ return a Result (RuntimeError)
	from /usr/lib/ruby/vendor_ruby/minitest/parallel.rb:33:in `block (2 levels) in start'
/usr/lib/ruby/vendor_ruby/minitest.rb:961:in `run_one_method': TestBoot#run _must_ return a Result (RuntimeError)
	from /usr/lib/ruby/vendor_ruby/minitest/parallel.rb:33:in `block (2 levels) in start'
Minitest::Runnable#marshal_dump is deprecated. You might be violating internals. From /usr/lib/ruby/vendor_ruby/active_support/testing/isolation.rb:46:in `dump'
rake aborted!
Command failed with status (1): [ruby -w -I"test"  "/usr/lib/ruby/vendor_ruby/rake/rake_test_loader.rb" "test/test_helper.rb" "test/test_railtie.rb" "test/test_task.rb" -v]

Tasks: TOP => default
(See full trace by running task with --trace)
ERROR: Test "ruby2.5" failed. Exiting.
dh_auto_install: dh_ruby --install /<<BUILDDIR>>/ruby-sprockets-rails-2.3.2\+git/debian/ruby-sprockets-rails returned exit code 1
make: *** [debian/rules:6: binary-indep] Error 1