`bzr.exe selftest git` fails

bzr.exe selftest seems to crashed while I'm running `bzr selftest git`:

C:\work\Bazaar\plugins-lazy\git>bzr selftest git -v
testing: C:/Program Files/Bazaar/bzr.EXE
   C:\Program Files\Bazaar\lib\library.zip\bzrlib (1.11 python2.5.2)

running 61 tests...
test_globbing.TestGlobster.test_char_group_digit OK 32ms
test_index.TestGraphIndexBuilder.test_node_references_three_digits OK 264ms
test_smart_transport.TestChunkedBodyDecoder.test_multidigit_length OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test__create_blob OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_add_and_commit OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_auto_timestamp OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_commit_base OK 16ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_commit_merge OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_delete_entry OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_delete_entry_newline OK 15ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_encode_path OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_reset OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_reset_named_ref OK 15ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_reset_revision OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_set_file OK 15ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_set_file_executable OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_set_file_newline OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_set_file_unicode OK 16ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_set_link OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilder.test_set_link_newline OK 0ms
bzrlib.plugins.git.tests.test_builder.TestGitBranchBuilderReal.test_create_real_branch ERROR 30ms
    [Error 2]
bzr: ERROR: [Error 2]

The log above is everything I got. No stack trace at all.