Index: lib/test/unit/parallel.rb
===================================================================
--- lib/test/unit/parallel.rb	(リビジョン 36712)
+++ lib/test/unit/parallel.rb	(作業コピー)
@@ -152,7 +152,7 @@ module Test
       end
 
       def puke(klass, meth, e)
-        @partial_report << [klass.name, meth, e]
+        @partial_report << [klass.name, meth, e.is_a?(MiniTest::Assertion) ? e : ProxyError.new(e)]
         super
       end
     end
Index: lib/test/unit.rb
===================================================================
--- lib/test/unit.rb	(リビジョン 36712)
+++ lib/test/unit.rb	(作業コピー)
@@ -828,6 +828,15 @@ module Test
         new(*args).run
       end
     end
+
+    class ProxyError < StandardError
+      def initialize(ex)
+        @message = ex.message
+        @backtrace = ex.backtrace
+      end
+
+      attr_accessor :message, :backtrace
+    end
   end
 end
 
Index: test/testunit/tests_for_parallel/ptest_forth.rb
===================================================================
--- test/testunit/tests_for_parallel/ptest_forth.rb	(リビジョン 36712)
+++ test/testunit/tests_for_parallel/ptest_forth.rb	(作業コピー)
@@ -1,6 +1,8 @@
 require 'test/unit'
 
 class TestE < Test::Unit::TestCase
+  class UnknownError < RuntimeError; end
+
   def test_not_fail
     assert_equal(1,1)
   end
@@ -12,5 +14,8 @@ class TestE < Test::Unit::TestCase
   def test_always_fail
     assert_equal(0,1)
   end
-end
 
+  def test_unknown_error
+    raise UnknownError, "unknown error"
+  end
+end
Index: test/testunit/test_parallel.rb
===================================================================
--- test/testunit/test_parallel.rb	(リビジョン 36712)
+++ test/testunit/test_parallel.rb	(作業コピー)
@@ -91,7 +91,7 @@ module TestParallel
       timeout(10) do
         @worker_in.puts "run #{TESTS}/ptest_forth.rb test"
         i = 0
-        5.times { @worker_out.gets }
+        6.times { @worker_out.gets }
         buf = @worker_out.gets
         assert_match(/^done (.+?)$/, buf)
 
@@ -99,14 +99,15 @@ module TestParallel
 
         result = Marshal.load($1.chomp.unpack("m")[0])
 
-        assert_equal(result[0],3)
-        assert_equal(result[1],2)
+        assert_equal(4, result[0])
+        assert_equal(2, result[1])
         assert_kind_of(Array,result[2])
         assert_kind_of(Array,result[3])
         assert_kind_of(Array,result[4])
         assert_kind_of(Array,result[2][1])
         assert_kind_of(MiniTest::Assertion,result[2][0][2])
         assert_kind_of(MiniTest::Skip,result[2][1][2])
+        assert_kind_of(Exception, result[2][2][2])
         assert_equal(result[5], "TestE")
       end
     end
@@ -156,7 +157,7 @@ module TestParallel
     def test_should_run_all_without_any_leaks
       spawn_runner
       buf = timeout(10){@test_out.read}
-      assert_match(/^[SF\.]{7}$/,buf)
+      assert_match(/^[SFE\.]{8}$/,buf)
     end
 
     def test_should_retry_failed_on_workers