[ruby-dev:47157] 1CPUでtest-allするとfiberとFileUtilsでエラーたくさん

CentOS6.3上で

$ taskset -c 0 make test-all TESTS="-v -q"

と、CPUを１つに限定して実行したところ、以下のように大量にエラーが出ます。
ささださん、なかださん、ちょっと見てもらえませんか。


Finished tests in 449.667964s, 29.2460 tests/s, 5709.1926 assertions/s.

  1) Error:
test_many_fibers_with_threads(TestFiber):
Errno::ENOMEM: Cannot allocate memory -
/home/kosaki/ruby/git/build/ruby-lazy-timer-fix2
    /home/kosaki/ruby/git/test/ruby/envutil.rb:55:in `spawn'
    /home/kosaki/ruby/git/test/ruby/envutil.rb:55:in `invoke_ruby'
    /home/kosaki/ruby/git/test/ruby/envutil.rb:191:in `assert_normal_exit'
    /home/kosaki/ruby/git/test/ruby/test_fiber.rb:49:in
`test_many_fibers_with_threads'

  2) Error:
test_stack_size(TestFiber):
Errno::ENOMEM: Cannot allocate memory -
/home/kosaki/ruby/git/build/ruby-lazy-timer-fix2
    /home/kosaki/ruby/git/test/ruby/envutil.rb:55:in `spawn'
    /home/kosaki/ruby/git/test/ruby/envutil.rb:55:in `invoke_ruby'
    /home/kosaki/ruby/git/test/ruby/test_fiber.rb:285:in `invoke_rec'
    /home/kosaki/ruby/git/test/ruby/test_fiber.rb:290:in `test_stack_size'

  3) Error:
test_utime_with_minus_time_segv(TestFile):
Errno::ENOMEM: Cannot allocate memory -
/home/kosaki/ruby/git/build/ruby-lazy-timer-fix2
    /home/kosaki/ruby/git/test/ruby/envutil.rb:55:in `spawn'
    /home/kosaki/ruby/git/test/ruby/envutil.rb:55:in `invoke_ruby'
    /home/kosaki/ruby/git/test/ruby/envutil.rb:222:in `assert_in_out_err'
    /home/kosaki/ruby/git/test/ruby/test_file.rb:257:in
`test_utime_with_minus_time_segv'

  4) Error:
test_chdir(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

  5) Error:
test_chmod(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

  6) Error:
test_chmod_R(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

  7) Error:
test_chmod_symbol_mode(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

  8) Error:
test_chmod_symbol_mode_R(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

  9) Error:
test_chmod_verbose(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 10) Error:
test_chown(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 11) Error:
test_chown_R(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 12) Error:
test_cmp(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 13) Error:
test_collect_methods(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 14) Error:
test_commands(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 15) Error:
test_compare_file(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 16) Error:
test_compare_stream(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 17) Error:
test_copy_entry(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 18) Error:
test_copy_entry_symlink(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 19) Error:
test_copy_file(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 20) Error:
test_copy_stream(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 21) Error:
test_copy_stream_duck(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 22) Error:
test_cp(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 23) Error:
test_cp_pathname(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 24) Error:
test_cp_preserve_permissions(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 25) Error:
test_cp_preserve_permissions_dir(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 26) Error:
test_cp_r(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 27) Error:
test_cp_r_pathname(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 28) Error:
test_cp_r_symlink(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 29) Error:
test_cp_r_symlink_preserve(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 30) Error:
test_cp_symlink(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 31) Error:
test_getwd(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 32) Error:
test_have_option?(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 33) Error:
test_identical?(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 34) Error:
test_install(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 35) Error:
test_install_pathname(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 36) Error:
test_install_symlink(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 37) Error:
test_link(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 38) Error:
test_ln(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 39) Error:
test_ln_pathname(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 40) Error:
test_ln_s(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 41) Error:
test_ln_sf(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 42) Error:
test_ln_symlink(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 43) Error:
test_makedirs(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 44) Error:
test_mkdir(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 45) Error:
test_mkdir_file_perm(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 46) Error:
test_mkdir_lf_in_path(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 47) Error:
test_mkdir_p(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 48) Error:
test_mkdir_p_file_perm(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 49) Error:
test_mkdir_p_pathname(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 50) Error:
test_mkdir_pathname(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 51) Error:
test_mkpath(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 52) Error:
test_move(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 53) Error:
test_mv(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 54) Error:
test_mv_pathname(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 55) Error:
test_mv_symlink(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 56) Error:
test_options(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 57) Error:
test_options_of(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 58) Error:
test_pwd(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 59) Error:
test_remove_dir(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 60) Error:
test_remove_dir_file_perm(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 61) Error:
test_remove_entry_secure(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 62) Error:
test_remove_entry_secure_pathname(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 63) Error:
test_remove_entry_secure_symlink(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 64) Error:
test_remove_file(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 65) Error:
test_remove_file_file_perm(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 66) Error:
test_rm(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 67) Error:
test_rm_f(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 68) Error:
test_rm_f_2(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 69) Error:
test_rm_pathname(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 70) Error:
test_rm_r(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 71) Error:
test_rm_r_pathname(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 72) Error:
test_rm_r_symlink(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 73) Error:
test_rm_rf(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 74) Error:
test_rm_symlink(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 75) Error:
test_rmdir(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 76) Error:
test_rmtree(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 77) Error:
test_safe_unlink(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 78) Error:
test_symlink(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 79) Error:
test_touch(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 80) Error:
test_uptodate?(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 81) Error:
test_with_big_file(TestFileUtils):
Errno::EEXIST: File exists - data
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:93:in `mymkdir'
    /home/kosaki/ruby/git/test/fileutils/test_fileutils.rb:102:in `setup'

 82) Error:
test_install_extension_and_script(TestGemInstaller):
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native
extension.

    /home/kosaki/ruby/git/build/ruby-lazy-timer-fix2 extconf.rb
creating Makefile

make
make[1]: ディレクトリ `/tmp/test_rubygems_14985/gemhome/gems/a-2' に入ります
make[1]: `all' に対して行うべき事はありません.
make[1]: ディレクトリ `/tmp/test_rubygems_14985/gemhome/gems/a-2' から出ます

make install
make[1]: ディレクトリ `/tmp/test_rubygems_14985/gemhome/gems/a-2' に入ります
installing default libraries
/usr/bin/install: `./lib/a/a.rb' と
`/tmp/test_rubygems_14985/gemhome/gems/a-2/lib/a/a.rb' は同じファイルです
make[1]: *** [/tmp/test_rubygems_14985/gemhome/gems/a-2/lib/a/a.rb] エラー 1
make[1]: ディレクトリ `/tmp/test_rubygems_14985/gemhome/gems/a-2' から出ます


Gem files will remain installed in
/tmp/test_rubygems_14985/gemhome/gems/a-2 for inspection.
Results logged to /tmp/test_rubygems_14985/gemhome/gems/a-2/./gem_make.out

    /home/kosaki/ruby/git/lib/rubygems/ext/builder.rb:55:in `run'
    /home/kosaki/ruby/git/lib/rubygems/ext/builder.rb:28:in `block in make'
    /home/kosaki/ruby/git/lib/rubygems/ext/builder.rb:26:in `each'
    /home/kosaki/ruby/git/lib/rubygems/ext/builder.rb:26:in `make'
    /home/kosaki/ruby/git/lib/rubygems/ext/ext_conf_builder.rb:39:in
`block in build'
    /home/kosaki/ruby/git/lib/tempfile.rb:324:in `open'
    /home/kosaki/ruby/git/lib/rubygems/ext/ext_conf_builder.rb:18:in `build'
    /home/kosaki/ruby/git/lib/rubygems/installer.rb:678:in `block (2
levels) in build_extensions'
    /home/kosaki/ruby/git/lib/rubygems/installer.rb:677:in `chdir'
    /home/kosaki/ruby/git/lib/rubygems/installer.rb:677:in `block in
build_extensions'
    /home/kosaki/ruby/git/lib/rubygems/installer.rb:652:in `each'
    /home/kosaki/ruby/git/lib/rubygems/installer.rb:652:in `build_extensions'
    /home/kosaki/ruby/git/lib/rubygems/installer.rb:218:in `install'
    /home/kosaki/ruby/git/test/rubygems/test_gem_installer.rb:1056:in
`block in test_install_extension_and_script'
    /home/kosaki/ruby/git/lib/rubygems/user_interaction.rb:40:in `use_ui'
    /home/kosaki/ruby/git/lib/rubygems/user_interaction.rb:63:in `use_ui'
    /home/kosaki/ruby/git/test/rubygems/test_gem_installer.rb:1052:in
`test_install_extension_and_script'