Result of trunk-asserts@silicon-docker at 2019-02-08 23:59:06 +0900

• NG (r67039) [LOG]

• Linux silicon-docker 4.9.0-8-amd64 #1 SMP Debian 4.9.110-3+deb9u6 (2018-10-08) x86_64 x86_64 x86_64 GNU/Linux
  

• rev: 67039
  test-all : 
  test-spec: 
  exit statuses:
    "rm -f .revision.time" exit with 0.
    "make update-download DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make update-rubyspec DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make update-src      DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make after-update    DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make miniruby DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make ruby DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make all DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make install DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"" exit with 0.
    "make yes-btest TESTS='-j6'" exit with 0.
    "make yes-test-basic TESTS='-j6'" exit with 0.
  Logfile: /home/ko1/ruby/logs/brlog.trunk-asserts.20190208-115446
  #<BuildRuby:0x000055eb9c8cd588
   @BUILD_DIR="/tmp/ruby/build",
   @INSTALL_DIR="/tmp/ruby/install",
   @REPOSITORY="https://svn.ruby-lang.org/repos/ruby/trunk",
   @REPOSITORY_TYPE=:svn,
   @SRC_DIR="/tmp/ruby/src",
   @TARGET_BUILD_DIR="/tmp/ruby/build/trunk-asserts",
   @TARGET_INSTALL_DIR="/tmp/ruby/install/trunk-asserts",
   @TARGET_NAME="trunk-asserts",
   @TARGET_SRC_DIR="/tmp/ruby/src/trunk-asserts",
   @build_opts="DEFS=\"-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2\"",
   @configure_opts=["--enable-shared"],
   @gist=false,
   @git_branch=nil,
   @incremental=true,
   @logfile="/home/ko1/ruby/logs/brlog.trunk-asserts.20190208-115446",
   @quiet=false,
   @steps=
    ["checkout",
     "autoconf",
     "configure",
     "build_up",
     "build_miniruby",
     "build_ruby",
     "build_all",
     "build_install",
     "test_btest",
     "test_basic",
     "test_all",
     "test_rubyspec"],
   @svn_revision=nil,
   @test_opts="TESTS='-j6'",
   @timeout=10800>
                             user     system      total        real
  checkout               0.000000   0.000000   0.000000 (  0.000022)
  autoconf               0.000000   0.000000   0.000000 (  0.000043)
  configure              0.000000   0.000000   0.000000 (  0.000038)
  build_up               0.012000   0.004000   9.152000 (  9.673042)
  build_miniruby         0.000000   0.000000   0.168000 (  0.202504)
  build_ruby             0.000000   0.004000   3.104000 (  3.180222)
  build_all              0.008000   0.012000  11.012000 ( 11.369512)
  build_install          0.024000   0.004000  15.068000 ( 15.372796)
  test_btest           test_attr.rb             ..
  test_autoload.rb         ........
  test_block.rb            ..........................................................
  test_class.rb            ................................................
  test_env.rb              ..
  test_eval.rb             .....................................
  test_exception.rb        ..................................
  test_finalizer.rb        .
  test_flip.rb             .
  test_flow.rb             ..............................................................
  test_fork.rb             ....
  test_gc.rb               ..
  test_insns.rb            ................................................................................................................................................................................................................................................................................................................................................................................................
  test_io.rb               .........
  test_jump.rb             .............................
  test_literal.rb          ............................................................................................................................................................
  test_literal_suffix.rb   ................................................
  test_load.rb             ..
  test_marshal.rb          .
  test_massign.rb          ..................................
  test_method.rb           ...............................................................................................................................................................................................................................
  test_objectspace.rb      .....
  test_proc.rb             .......................................
  test_string.rb           .
  test_struct.rb           .
  test_syntax.rb           ............................................................................................................................................................
  test_thread.rb           ..................................................
  PASS all 1397 tests
    0.004000   0.000000 198.644000 (204.169534)
  test_basic             0.004000   0.012000   5.368000 (  5.543943)
  test_all             $$$ #<Timeout::Error: execution expired>
   PPID   PID  PGID   SID TTY      TPGID STAT   UID   TIME COMMAND
     13    14    14    14 ?           -1 Ss    1001   0:00 sh build-loop.sh trunk-asserts --incremental --process-num=6
  31472  2864    14    14 ?           -1 S     1001   0:00 sh -c make yes-test-all TESTS='-j6'
   2864  2866    14    14 ?           -1 S     1001   0:00 make yes-test-all TESTS=-j6
   2866  2887    14    14 ?           -1 S     1001   0:27 /tmp/ruby/build/trunk-asserts/ruby --disable-gems /tmp/ruby/src/trunk-asserts/test/runner.rb --ruby=./miniruby -I/tmp/ruby/src/trunk-asserts/lib -I. -I.ext/common  /tmp/ruby/src/trunk-asserts/tool/runruby.rb --extout=.ext  -- --disable-gems --excludes-dir=/tmp/ruby/src/trunk-asserts/test/excludes --name=!/memory_leak/ -j6
   2887  2888    14    14 ?           -1 Sl    1001  13:02 /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb
   2888  8108    14    14 ?           -1 Sl    1001   0:01 /tmp/ruby/build/trunk-asserts/ruby /tmp/ruby/src/trunk-asserts/test/drb/ut_drb_drbssl.rb drbssl://172.17.0.13:34805 ut_drb_drbssl.rb
  31472  9658    14    14 ?           -1 R     1001   0:00 ps jx
     14 31469    14    14 ?           -1 Sl    1001   0:00 ruby ./br.rb build_report trunk-asserts --incremental --process-num=6
  31469 31471    14    14 ?           -1 S     1001   0:00 sh -c ruby /home/ko1/ruby/build-ruby/build-ruby.rb --target_name=trunk-asserts --logfile=/home/ko1/ruby/logs/brlog.trunk-asserts.20190208-115446 --root_dir=/tmp/ruby --timeout=10800 --build_opts='DEFS="-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2"'               --add-env=RUBY_TEST_SUBPROCESS_TIMEOUT_SCALE=30 --incremental --process-num=6
  31471 31472    14    14 ?           -1 Sl    1001   0:00 ruby /home/ko1/ruby/build-ruby/build-ruby.rb --target_name=trunk-asserts --logfile=/home/ko1/ruby/logs/brlog.trunk-asserts.20190208-115446 --root_dir=/tmp/ruby --timeout=10800 --build_opts=DEFS="-DRGENGC_CHECK_MODE=2 -DVM_CHECK_MODE=2" --add-env=RUBY_TEST_SUBPROCESS_TIMEOUT_SCALE=30 --incremental --process-num=6
  {13=>[14], 31472=>[2864, 9658], 2864=>[2866], 2866=>[2887], 2887=>[2888], 2888=>[8108], 14=>[31469], 31469=>[31471], 31471=>[31472]}
  "gdb -p 8108 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  [New LWP 8111]
  [New LWP 8112]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  39	../sysdeps/unix/sysv/linux/ppoll.c: No such file or directory.
  0x00007f7120d06cf6 in __GI_ppoll (fds=fds@entry=0x7ffdfdc4bf80, nfds=nfds@entry=2, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
  >>> Machine level backtrace
  
  Thread 3 (Thread 0x7f712160c700 (LWP 8112)):
  #0  0x00007f7120d06cf6 in __GI_ppoll (fds=fds@entry=0x7f712160a7c0, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
  #1  0x00007f7121211aa9 in rb_wait_for_single_fd (fd=fd@entry=12, events=events@entry=1, timeout=timeout@entry=0x0) at /tmp/ruby/src/trunk-asserts/thread.c:4116
  #2  0x00007f7121212174 in rb_thread_wait_fd_rw (read=1, fd=fd@entry=12) at /tmp/ruby/src/trunk-asserts/thread.c:3980
  #3  rb_thread_wait_fd (fd=fd@entry=12) at /tmp/ruby/src/trunk-asserts/thread.c:3991
  #4  0x00007f71210df78f in rb_io_wait_readable (f=12) at /tmp/ruby/src/trunk-asserts/io.c:1189
  #5  0x00007f711cee85b9 in ossl_start_ssl (opts=0, funcname=0x7f711cef68f3 "SSL_connect", func=<optimized out>, self=94607172573720) at /tmp/ruby/src/trunk-asserts/ext/openssl/ossl_ssl.c:1680
  #6  ossl_ssl_connect (self=94607172573720) at /tmp/ruby/src/trunk-asserts/ext/openssl/ossl_ssl.c:1722
  #7  0x00007f712124437e in vm_call_cfunc_with_frame (ci=0x560b7325e270, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f7117ffebb0, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #8  vm_call_cfunc (ec=0x7f7118011588, reg_cfp=0x7f7117ffebb0, calling=<optimized out>, ci=0x560b7325e270, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #9  0x00007f712124e2b2 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x560b732efde0, ci=0x560b7325e270, reg_cfp=0x7f7117ffebb0, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #10 vm_exec_core (ec=ec@entry=0x7f7118011588, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #11 0x00007f71212553d1 in rb_vm_exec (ec=ec@entry=0x7f7118011588, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #12 0x00007f7121255fdd in invoke_block (ec=ec@entry=0x7f7118011588, iseq=iseq@entry=0x560b732d9158, self=self@entry=94607175487440, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #13 0x00007f7121256fcd in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7f712160ace0, argc=1, self=94607175487440, captured=<optimized out>, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #14 invoke_block_from_c_bh (ec=ec@entry=0x7f7118011588, block_handler=<optimized out>, block_handler@entry=140123710680233, argv=argv@entry=0x7f712160ad60, force_blockarg=force_blockarg@entry=0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, argc=1) at /tmp/ruby/src/trunk-asserts/vm.c:1122
  #15 0x00007f7121257172 in vm_yield (argc=1, argv=0x7f712160ad60, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm.c:1167
  #16 rb_yield_0 (argv=0x7f712160ad60, argc=1) at /tmp/ruby/src/trunk-asserts/vm_eval.c:979
  #17 rb_yield_1 (val=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:985
  #18 rb_yield (val=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:995
  #19 0x00007f712101790c in rb_ary_each (ary=94607175485720) at /tmp/ruby/src/trunk-asserts/array.c:2087
  #20 0x00007f712124437e in vm_call_cfunc_with_frame (ci=0x560b73069070, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f7117ffec90, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #21 vm_call_cfunc (ec=0x7f7118011588, reg_cfp=0x7f7117ffec90, calling=<optimized out>, ci=0x560b73069070, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #22 0x00007f712124e35f in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cc=0x560b7326eb00, ci=0x560b73069070, reg_cfp=0x7f7117ffec90, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #23 vm_exec_core (ec=ec@entry=0x7f7118011588, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:764
  #24 0x00007f71212553d1 in rb_vm_exec (ec=ec@entry=0x7f7118011588, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #25 0x00007f712125a220 in vm_call0_body (argv=0x7f7117eff240, cc=0x7f712160b170, ci=0x7f712160b140, calling=0x7f712160b150, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm_eval.c:128
  #26 rb_vm_call0 (ec=0x7f7118011588, recv=recv@entry=94607172574880, id=id@entry=3041, argc=argc@entry=261622610, argv=0x7f7117eff240, argv@entry=0x1, me=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:60
  #27 0x00007f712125ae50 in rb_call0 (ec=<optimized out>, recv=recv@entry=94607172574880, mid=mid@entry=3041, argc=261622610, argc@entry=3041, argv=argv@entry=0x1, self=<optimized out>, scope=CALL_FCALL) at /tmp/ruby/src/trunk-asserts/vm_eval.c:309
  #28 0x00007f712125aea5 in rb_call (scope=CALL_FCALL, argv=0x1, argc=3041, mid=3041, recv=94607172574880) at /tmp/ruby/src/trunk-asserts/vm_eval.c:602
  #29 rb_funcallv (recv=recv@entry=94607172574880, mid=mid@entry=3041, argc=argc@entry=1, argv=argv@entry=0x7f7117eff240) at /tmp/ruby/src/trunk-asserts/vm_eval.c:824
  #30 0x00007f71210ae2ce in rb_obj_call_init (obj=obj@entry=94607172574880, argc=argc@entry=1, argv=argv@entry=0x7f7117eff240) at /tmp/ruby/src/trunk-asserts/eval.c:1627
  #31 0x00007f712113cc5d in rb_class_s_new (argc=1, argv=0x7f7117eff240, klass=94607175484560) at /tmp/ruby/src/trunk-asserts/object.c:2187
  #32 0x00007f712124437e in vm_call_cfunc_with_frame (ci=0x560b731d0170, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f7117ffed38, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #33 vm_call_cfunc (ec=0x7f7118011588, reg_cfp=0x7f7117ffed38, calling=<optimized out>, ci=0x560b731d0170, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #34 0x00007f712124e2b2 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x560b732e0998, ci=0x560b731d0170, reg_cfp=0x7f7117ffed38, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #35 vm_exec_core (ec=ec@entry=0x7f7118011588, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #36 0x00007f71212553d1 in rb_vm_exec (ec=ec@entry=0x7f7118011588, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #37 0x00007f712125c544 in invoke_block (captured=<optimized out>, opt_pc=<optimized out>, type=<optimized out>, cref=0x0, self=94607177149560, iseq=0x560b732f3d78, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #38 invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, argv=0x0, argc=0, self=94607177149560, captured=<optimized out>, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #39 invoke_block_from_c_bh (argc=<optimized out>, argv=<optimized out>, passed_block_handler=<optimized out>, cref=<optimized out>, is_lambda=<optimized out>, force_blockarg=<optimized out>, block_handler=<optimized out>, ec=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1122
  #40 vm_yield (argc=0, argv=0x0, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm.c:1167
  #41 rb_yield_0 (argv=0x0, argc=0) at /tmp/ruby/src/trunk-asserts/vm_eval.c:979
  #42 loop_i () at /tmp/ruby/src/trunk-asserts/vm_eval.c:1058
  #43 0x00007f71210aace2 in rb_rescue2 (b_proc=0x7f712125c0e0 <loop_i>, data1=0, r_proc=0x7f712123db70 <loop_stop>, data2=0) at /tmp/ruby/src/trunk-asserts/eval.c:934
  #44 0x00007f712124437e in vm_call_cfunc_with_frame (ci=0x560b732f62a0, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f7117ffefa0, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #45 vm_call_cfunc (ec=0x7f7118011588, reg_cfp=0x7f7117ffefa0, calling=<optimized out>, ci=0x560b732f62a0, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #46 0x00007f712124e35f in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cc=0x560b732f5e20, ci=0x560b732f62a0, reg_cfp=0x7f7117ffefa0, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #47 vm_exec_core (ec=ec@entry=0x7f7118011588, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:764
  #48 0x00007f71212553d1 in rb_vm_exec (ec=ec@entry=0x7f7118011588, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #49 0x00007f7121255fdd in invoke_block (ec=ec@entry=0x7f7118011588, iseq=iseq@entry=0x560b732f3f58, self=self@entry=94607177149560, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #50 0x00007f7121259141 in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7f712160bbd0, argc=<optimized out>, self=94607177149560, captured=0x7f711800ff90, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #51 invoke_block_from_c_proc (me=0x0, is_lambda=0, passed_block_handler=0, argv=0x7f712160bbd0, argc=<optimized out>, self=94607177149560, proc=0x22220001, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm.c:1204
  #52 vm_invoke_proc (passed_block_handler=0, argv=0x7f712160bbd0, argc=<optimized out>, self=94607177149560, proc=0x22220001, ec=0x7f7118011588) at /tmp/ruby/src/trunk-asserts/vm.c:1222
  #53 rb_vm_invoke_proc (ec=0x7f7118011588, proc=proc@entry=0x7f711800ff90, argc=argc@entry=1, argv=argv@entry=0x7f712160bbd0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/src/trunk-asserts/vm.c:1243
  #54 0x00007f712120b331 in thread_do_start (th=th@entry=0x7f7118017f00) at /tmp/ruby/src/trunk-asserts/thread.c:686
  #55 0x00007f712120d79e in thread_start_func_2 (th=th@entry=0x7f7118017f00, stack_start=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:725
  #56 0x00007f712120dd4b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1030
  #57 0x00007f71207bd6db in start_thread (arg=0x7f712160c700) at pthread_create.c:463
  #58 0x00007f7120d1388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 2 (Thread 0x7f712162d700 (LWP 8111)):
  #0  0x00007f7120d0903f in __GI___select (nfds=7, readfds=0x7f7118005860, writefds=0x0, exceptfds=0x0, timeout=0x0) at ../sysdeps/unix/sysv/linux/select.c:41
  #1  0x00007f7121210e7c in rb_fd_select (n=<optimized out>, readfds=<optimized out>, writefds=<optimized out>, exceptfds=<optimized out>, timeout=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:3770
  #2  0x00007f7121210ff8 in native_fd_select (th=<optimized out>, timeout=<optimized out>, exceptfds=<optimized out>, writefds=<optimized out>, readfds=<optimized out>, n=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1223
  #3  do_select (p=p@entry=140123868152880) at /tmp/ruby/src/trunk-asserts/thread.c:3939
  #4  0x00007f71210ab2e6 in rb_ensure (b_proc=b_proc@entry=0x7f7121210e80 <do_select>, data1=data1@entry=140123868152880, e_proc=e_proc@entry=0x7f7121210bb0 <select_set_free>, data2=data2@entry=140123868152880) at /tmp/ruby/src/trunk-asserts/eval.c:1075
  #5  0x00007f7121211606 in rb_thread_fd_select (max=max@entry=7, read=read@entry=0x7f712162c780, write=write@entry=0x0, except=except@entry=0x0, timeout=timeout@entry=0x0) at /tmp/ruby/src/trunk-asserts/thread.c:4062
  #6  0x00007f71210ded10 in select_internal (fds=0x7f712162c780, tp=0x0, except=<optimized out>, write=<optimized out>, read=<optimized out>) at /tmp/ruby/src/trunk-asserts/io.c:9091
  #7  select_call (arg=arg@entry=140123868153696) at /tmp/ruby/src/trunk-asserts/io.c:9161
  #8  0x00007f71210ab2e6 in rb_ensure (b_proc=b_proc@entry=0x7f71210de9e0 <select_call>, data1=data1@entry=140123868153696, e_proc=e_proc@entry=0x7f71210db230 <select_end>, data2=data2@entry=140123868153696) at /tmp/ruby/src/trunk-asserts/eval.c:1075
  #9  0x00007f71210db176 in rb_f_select (argc=<optimized out>, argv=<optimized out>, obj=<optimized out>) at /tmp/ruby/src/trunk-asserts/io.c:9510
  #10 0x00007f712124437e in vm_call_cfunc_with_frame (ci=0x560b73285aa0, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f711c1afef8, ec=0x560b7318ff58) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #11 vm_call_cfunc (ec=0x560b7318ff58, reg_cfp=0x7f711c1afef8, calling=<optimized out>, ci=0x560b73285aa0, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #12 0x00007f712124e2b2 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x560b73285ae0, ci=0x560b73285aa0, reg_cfp=0x7f711c1afef8, ec=0x560b7318ff58) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #13 vm_exec_core (ec=ec@entry=0x560b7318ff58, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #14 0x00007f71212553d1 in rb_vm_exec (ec=ec@entry=0x560b7318ff58, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #15 0x00007f7121255fdd in invoke_block (ec=ec@entry=0x560b7318ff58, iseq=iseq@entry=0x560b732dd1b8, self=self@entry=94607177149560, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #16 0x00007f7121259141 in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7f712162cbd0, argc=<optimized out>, self=94607177149560, captured=0x560b733b8660, ec=0x560b7318ff58) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #17 invoke_block_from_c_proc (me=0x0, is_lambda=0, passed_block_handler=0, argv=0x7f712162cbd0, argc=<optimized out>, self=94607177149560, proc=0x22220001, ec=0x560b7318ff58) at /tmp/ruby/src/trunk-asserts/vm.c:1204
  #18 vm_invoke_proc (passed_block_handler=0, argv=0x7f712162cbd0, argc=<optimized out>, self=94607177149560, proc=0x22220001, ec=0x560b7318ff58) at /tmp/ruby/src/trunk-asserts/vm.c:1222
  #19 rb_vm_invoke_proc (ec=0x560b7318ff58, proc=proc@entry=0x560b733b8660, argc=argc@entry=0, argv=argv@entry=0x7f712162cbd0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/src/trunk-asserts/vm.c:1243
  #20 0x00007f712120b331 in thread_do_start (th=th@entry=0x560b733b8400) at /tmp/ruby/src/trunk-asserts/thread.c:686
  #21 0x00007f712120d79e in thread_start_func_2 (th=th@entry=0x560b733b8400, stack_start=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:725
  #22 0x00007f712120dd4b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1030
  #23 0x00007f71207bd6db in start_thread (arg=0x7f712162d700) at pthread_create.c:463
  #24 0x00007f7120d1388f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7f7121790d80 (LWP 8108)):
  #0  0x00007f7120d06cf6 in __GI_ppoll (fds=fds@entry=0x7ffdfdc4bf80, nfds=nfds@entry=2, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
  #1  0x00007f712120c03c in native_ppoll_sleep (th=th@entry=0x560b72e8ffa0, rel=rel@entry=0x0) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:2136
  #2  0x00007f712120c88a in native_sleep (th=th@entry=0x560b72e8ffa0, rel=0x0) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:2175
  #3  0x00007f71212108be in thread_join_sleep (arg=arg@entry=140728860983776) at /tmp/ruby/src/trunk-asserts/thread.c:987
  #4  0x00007f71210ab2e6 in rb_ensure (b_proc=b_proc@entry=0x7f7121210770 <thread_join_sleep>, data1=data1@entry=140728860983776, e_proc=e_proc@entry=0x7f7121205db0 <remove_from_join_list>, data2=data2@entry=140728860983776) at /tmp/ruby/src/trunk-asserts/eval.c:1075
  #5  0x00007f7121209038 in thread_join (target_th=0x560b733b8400, rel=rel@entry=0x0) at /tmp/ruby/src/trunk-asserts/thread.c:1032
  #6  0x00007f712120915c in thread_join_m (argc=<optimized out>, argv=<optimized out>, self=94607177301080) at /tmp/ruby/src/trunk-asserts/thread.c:1129
  #7  0x00007f712124437e in vm_call_cfunc_with_frame (ci=0x560b730edc60, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f712178efa0, ec=0x560b72e90438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #8  vm_call_cfunc (ec=0x560b72e90438, reg_cfp=0x7f712178efa0, calling=<optimized out>, ci=0x560b730edc60, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #9  0x00007f712125882a in vm_call_method (ec=0x560b72e90438, cfp=0x7f712178efa0, calling=<optimized out>, ci=<optimized out>, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2495
  #10 0x00007f712124e2b2 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x560b73252688, ci=0x560b730edc60, reg_cfp=0x7f712178efa0, ec=0x560b72e90438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #11 vm_exec_core (ec=ec@entry=0x560b72e90438, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #12 0x00007f71212553d1 in rb_vm_exec (ec=<optimized out>, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #13 0x00007f7121259cb0 in rb_iseq_eval_main (iseq=iseq@entry=0x560b7312fcd0) at /tmp/ruby/src/trunk-asserts/vm.c:2156
  #14 0x00007f71210a7506 in ruby_exec_internal (n=0x560b7312fcd0) at /tmp/ruby/src/trunk-asserts/eval.c:261
  #15 0x00007f71210a9c4d in ruby_exec_node (n=<optimized out>, n@entry=0x560b7312fcd0) at /tmp/ruby/src/trunk-asserts/eval.c:325
  #16 0x00007f71210adbfe in ruby_run_node (n=0x560b7312fcd0) at /tmp/ruby/src/trunk-asserts/eval.c:317
  #17 0x0000560b71388a1f in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/src/trunk-asserts/main.c:42
  >>> Dump Ruby level backtrace
  th: 0x560b72e8ffa0, native_id: 0x7f7121790d80
  -- Control frame information -----------------------------------------------
  c:0003 p:---- s:0012 e:000011 CFUNC  :join
  c:0002 p:0239 s:0008 E:000650 EVAL   /tmp/ruby/src/trunk-asserts/test/drb/ut_drb_drbssl.rb:37 [FINISH]
  c:0001 p:0000 s:0003 E:001ba0 (none) [FINISH]
  
  th: 0x560b733b8400, native_id: 0x7f712162d700
  -- Control frame information -----------------------------------------------
  c:0006 p:---- s:0027 e:000026 CFUNC  :select
  c:0005 p:0018 s:0022 e:000021 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:989
  c:0004 p:0008 s:0017 e:000016 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/ssl.rb:326
  c:0003 p:0006 s:0011 e:000010 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1665
  c:0002 p:0009 s:0006 e:000005 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1505 [FINISH]
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
  
  th: 0x7f7118017f00, native_id: 0x7f712160c700
  -- Control frame information -----------------------------------------------
  c:0021 p:---- s:0115 e:000114 CFUNC  :connect
  c:0020 p:0037 s:0111 e:000110 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/ssl.rb:144
  c:0019 p:0068 s:0105 e:000104 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/ssl.rb:256
  c:0018 p:0010 s:0094 e:000093 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:739 [FINISH]
  c:0017 p:---- s:0090 e:000089 CFUNC  :each
  c:0016 p:0011 s:0086 e:000085 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:737
  c:0015 p:0027 s:0079 e:000078 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1246 [FINISH]
  c:0014 p:---- s:0074 e:000073 CFUNC  :new
  c:0013 p:0022 s:0069 e:000068 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1226
  c:0012 p:0015 s:0061 e:000060 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1139
  c:0011 p:0020 s:0058 e:000057 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1158
  c:0010 p:0075 s:0051 e:000050 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1138
  c:0009 p:0010 s:0040 e:000039 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/extserv.rb:32
  c:0008 p:0007 s:0036 e:000035 METHOD /tmp/ruby/src/trunk-asserts/lib/monitor.rb:230
  c:0007 p:0005 s:0032 e:000031 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/extserv.rb:31
  c:0006 p:0079 s:0028 e:000027 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1635
  c:0005 p:0103 s:0023 e:000022 METHOD /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1595
  c:0004 p:0025 s:0018 e:000017 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1679 [FINISH]
  c:0003 p:---- s:0011 e:000010 CFUNC  :loop
  c:0002 p:0063 s:0007 e:000006 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1675 [FINISH]
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
  
  $1 = 0
  ">>> Finish
  "
  [nil, 8108]
  "gdb -p 2888 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  #<Thread:0x00005588bb4a4e50@/tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1503 run> terminated with exception (report_on_exception is true):
  /tmp/ruby/src/trunk-asserts/lib/drb/ssl.rb:153:in `accept': Connection reset by peer - SSL_accept (Errno::ECONNRESET)
  	from /tmp/ruby/src/trunk-asserts/lib/drb/ssl.rb:153:in `accept'
  	from /tmp/ruby/src/trunk-asserts/lib/drb/ssl.rb:332:in `accept'
  	from /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1665:in `main_loop'
  	from /tmp/ruby/src/trunk-asserts/lib/drb/drb.rb:1505:in `block in run'
  [New LWP 7577]
  [New LWP 7968]
  [New LWP 7969]
  [New LWP 8019]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  0x00007f94dc2ecf34 in iseq_extract_values (func=<optimized out>, data=0x0, translator=0x7f94dc2eb2c0 <rb_vm_insn_addr2insn2>, pos=1223, code=0x5588bd322c40) at /tmp/ruby/src/trunk-asserts/iseq.c:150
  150	    for (op_no = 0; types[op_no]; op_no++) {
  >>> Machine level backtrace
  
  Thread 5 (Thread 0x7f94dc7e3700 (LWP 8019)):
  #0  0x00007f94db9bbed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f94dc7e2d70, expected=0, futex_word=0x7f94dc7e2e88) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
  #1  __pthread_cond_wait_common (abstime=0x7f94dc7e2e50, mutex=0x7f94dc7693a0 <thread_cache_lock>, cond=0x7f94dc7e2e60) at pthread_cond_wait.c:533
  #2  __pthread_cond_timedwait (cond=0x7f94dc7e2e60, mutex=0x7f94dc7693a0 <thread_cache_lock>, abstime=0x7f94dc7e2e50) at pthread_cond_wait.c:667
  #3  0x00007f94dc405e38 in native_cond_timedwait (abs=<synthetic pointer>, mutex=0x7f94dc7693a0 <thread_cache_lock>, cond=0x7f94dc7e2e60) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:529
  #4  register_cached_thread_and_wait (altstack=0x7f94c00008d0) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1092
  #5  thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1037
  #6  0x00007f94db9b56db in start_thread (arg=0x7f94dc7e3700) at pthread_create.c:463
  #7  0x00007f94dbf0b88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 4 (Thread 0x7f94dc886700 (LWP 7969)):
  #0  0x00007f94dbefecf6 in __GI_ppoll (fds=fds@entry=0x7f94dc885518, nfds=nfds@entry=1, timeout=<optimized out>, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
  #1  0x00007f94dc4037e7 in rb_sigwait_sleep (th=th@entry=0x5588bd6eb110, sigwait_fd=sigwait_fd@entry=3, rel=rel@entry=0x0) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:2044
  #2  0x00007f94dc4047a3 in native_sleep (th=<optimized out>, rel=0x0) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:2164
  #3  0x00007f94dc407e56 in queue_sleep () at /tmp/ruby/src/trunk-asserts/thread.c:1739
  #4  0x00007f94dc2a32e6 in rb_ensure (b_proc=b_proc@entry=0x7f94dc407dd0 <queue_sleep>, data1=data1@entry=94045746073520, e_proc=e_proc@entry=0x7f94dc3fdd40 <queue_sleep_done>, data2=data2@entry=140277331810176) at /tmp/ruby/src/trunk-asserts/eval.c:1075
  #5  0x00007f94dc40018e in queue_do_pop (should_block=1, q=0x5588bcb6a000, self=94045746073520) at /tmp/ruby/src/trunk-asserts/thread_sync.c:909
  #6  rb_queue_pop (argc=<optimized out>, argv=<optimized out>, self=94045746073520) at /tmp/ruby/src/trunk-asserts/thread_sync.c:945
  #7  0x00007f94dc43c37e in vm_call_cfunc_with_frame (ci=0x5588bca44930, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f94ce4e2fa0, ec=0x5588bda5ed78) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #8  vm_call_cfunc (ec=0x5588bda5ed78, reg_cfp=0x7f94ce4e2fa0, calling=<optimized out>, ci=0x5588bca44930, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #9  0x00007f94dc4462b2 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x5588bcb864f0, ci=0x5588bca44930, reg_cfp=0x7f94ce4e2fa0, ec=0x5588bda5ed78) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #10 vm_exec_core (ec=ec@entry=0x5588bda5ed78, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #11 0x00007f94dc44d3d1 in rb_vm_exec (ec=ec@entry=0x5588bda5ed78, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #12 0x00007f94dc44dfdd in invoke_block (ec=ec@entry=0x5588bda5ed78, iseq=iseq@entry=0x5588ba887d20, self=self@entry=94045746074640, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #13 0x00007f94dc451141 in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7f94dc885bd0, argc=<optimized out>, self=94045746074640, captured=0x5588bb8b2240, ec=0x5588bda5ed78) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #14 invoke_block_from_c_proc (me=0x0, is_lambda=0, passed_block_handler=0, argv=0x7f94dc885bd0, argc=<optimized out>, self=94045746074640, proc=0x22220001, ec=0x5588bda5ed78) at /tmp/ruby/src/trunk-asserts/vm.c:1204
  #15 vm_invoke_proc (passed_block_handler=0, argv=0x7f94dc885bd0, argc=<optimized out>, self=94045746074640, proc=0x22220001, ec=0x5588bda5ed78) at /tmp/ruby/src/trunk-asserts/vm.c:1222
  #16 rb_vm_invoke_proc (ec=0x5588bda5ed78, proc=proc@entry=0x5588bb8b2240, argc=argc@entry=0, argv=argv@entry=0x7f94dc885bd0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/src/trunk-asserts/vm.c:1243
  #17 0x00007f94dc403331 in thread_do_start (th=th@entry=0x5588bd6eb110) at /tmp/ruby/src/trunk-asserts/thread.c:686
  #18 0x00007f94dc40579e in thread_start_func_2 (th=th@entry=0x5588bd6eb110, stack_start=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:725
  #19 0x00007f94dc405d4b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1030
  #20 0x00007f94db9b56db in start_thread (arg=0x7f94dc886700) at pthread_create.c:463
  #21 0x00007f94dbf0b88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 3 (Thread 0x7f94cde37700 (LWP 7968)):
  #0  0x00007f94db9bbed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f94cde36d70, expected=0, futex_word=0x7f94cde36e88) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
  #1  __pthread_cond_wait_common (abstime=0x7f94cde36e50, mutex=0x7f94dc7693a0 <thread_cache_lock>, cond=0x7f94cde36e60) at pthread_cond_wait.c:533
  #2  __pthread_cond_timedwait (cond=0x7f94cde36e60, mutex=0x7f94dc7693a0 <thread_cache_lock>, abstime=0x7f94cde36e50) at pthread_cond_wait.c:667
  #3  0x00007f94dc405e38 in native_cond_timedwait (abs=<synthetic pointer>, mutex=0x7f94dc7693a0 <thread_cache_lock>, cond=0x7f94cde36e60) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:529
  #4  register_cached_thread_and_wait (altstack=0x7f94a4020940) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1092
  #5  thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1037
  #6  0x00007f94db9b56db in start_thread (arg=0x7f94cde37700) at pthread_create.c:463
  #7  0x00007f94dbf0b88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 2 (Thread 0x7f94dc825700 (LWP 7577)):
  #0  0x00007f94db9bbed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7f94dc8242e0, expected=0, futex_word=0x5588bda18f60) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
  #1  __pthread_cond_wait_common (abstime=0x7f94dc8243a0, mutex=0x5588b9ad4a60, cond=0x5588bda18f38) at pthread_cond_wait.c:533
  #2  __pthread_cond_timedwait (cond=0x5588bda18f38, mutex=0x5588b9ad4a60, abstime=0x7f94dc8243a0) at pthread_cond_wait.c:667
  #3  0x00007f94dc403c33 in native_cond_timedwait (abs=<optimized out>, mutex=<optimized out>, cond=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:529
  #4  do_gvl_timer (th=0x5588bda18ed0, vm=0x5588b9ad4a50) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:219
  #5  gvl_acquire_common (vm=vm@entry=0x5588b9ad4a50, th=th@entry=0x5588bda18ed0) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:253
  #6  0x00007f94dc4074a8 in gvl_acquire (th=0x5588bda18ed0, vm=0x5588b9ad4a50) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:282
  #7  blocking_region_end (region=0x7f94dc82444c, th=0x5588bda18ed0) at /tmp/ruby/src/trunk-asserts/thread.c:1415
  #8  rb_thread_io_blocking_region (func=0x7f94dc2d22c0 <internal_read_func>, data1=0x7f94dc824770, fd=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:1582
  #9  0x00007f94dc2a32e6 in rb_ensure (b_proc=b_proc@entry=0x7f94dc2d2220 <read_internal_call>, data1=data1@entry=140277331412848, e_proc=e_proc@entry=0x7f94dc3d62f0 <rb_str_unlocktmp>, data2=<optimized out>) at /tmp/ruby/src/trunk-asserts/eval.c:1075
  #10 0x00007f94dc3e9adb in rb_str_locktmp_ensure (str=<optimized out>, func=func@entry=0x7f94dc2d2220 <read_internal_call>, arg=arg@entry=140277331412848) at /tmp/ruby/src/trunk-asserts/string.c:2655
  #11 0x00007f94dc2e8afc in read_internal_locktmp (iis=0x7f94dc824770, str=<optimized out>) at /tmp/ruby/src/trunk-asserts/io.c:2784
  #12 io_getpartial (argc=<optimized out>, argv=<optimized out>, io=<optimized out>, opts=opts@entry=8, nonblock=nonblock@entry=0) at /tmp/ruby/src/trunk-asserts/io.c:2834
  #13 0x00007f94dc2e9001 in io_readpartial (argc=<optimized out>, argv=<optimized out>, io=<optimized out>) at /tmp/ruby/src/trunk-asserts/io.c:2923
  #14 0x00007f94dc43c37e in vm_call_cfunc_with_frame (ci=0x5588b9c31090, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f94d852bfa0, ec=0x5588bd926f78) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #15 vm_call_cfunc (ec=0x5588bd926f78, reg_cfp=0x7f94d852bfa0, calling=<optimized out>, ci=0x5588b9c31090, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #16 0x00007f94dc4462b2 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x5588b9c316a8, ci=0x5588b9c31090, reg_cfp=0x7f94d852bfa0, ec=0x5588bd926f78) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #17 vm_exec_core (ec=ec@entry=0x5588bd926f78, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #18 0x00007f94dc44d3d1 in rb_vm_exec (ec=ec@entry=0x5588bd926f78, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #19 0x00007f94dc44dfdd in invoke_block (ec=ec@entry=0x5588bd926f78, iseq=iseq@entry=0x5588b9ae69a0, self=self@entry=94045724875800, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #20 0x00007f94dc451141 in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7f94dc824bd0, argc=<optimized out>, self=94045724875800, captured=0x5588ba3407e0, ec=0x5588bd926f78) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #21 invoke_block_from_c_proc (me=0x0, is_lambda=0, passed_block_handler=0, argv=0x7f94dc824bd0, argc=<optimized out>, self=94045724875800, proc=0x22220001, ec=0x5588bd926f78) at /tmp/ruby/src/trunk-asserts/vm.c:1204
  #22 vm_invoke_proc (passed_block_handler=0, argv=0x7f94dc824bd0, argc=<optimized out>, self=94045724875800, proc=0x22220001, ec=0x5588bd926f78) at /tmp/ruby/src/trunk-asserts/vm.c:1222
  #23 rb_vm_invoke_proc (ec=0x5588bd926f78, proc=proc@entry=0x5588ba3407e0, argc=argc@entry=0, argv=argv@entry=0x7f94dc824bd0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/src/trunk-asserts/vm.c:1243
  #24 0x00007f94dc403331 in thread_do_start (th=th@entry=0x5588bda18ed0) at /tmp/ruby/src/trunk-asserts/thread.c:686
  #25 0x00007f94dc40579e in thread_start_func_2 (th=th@entry=0x5588bda18ed0, stack_start=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread.c:725
  #26 0x00007f94dc405d4b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1030
  #27 0x00007f94db9b56db in start_thread (arg=0x7f94dc825700) at pthread_create.c:463
  #28 0x00007f94dbf0b88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7f94dc988d80 (LWP 2888)):
  #0  0x00007f94dc2ecf34 in iseq_extract_values (func=<optimized out>, data=0x0, translator=0x7f94dc2eb2c0 <rb_vm_insn_addr2insn2>, pos=1223, code=0x5588bd322c40) at /tmp/ruby/src/trunk-asserts/iseq.c:150
  #1  rb_iseq_each_value (func=<optimized out>, data=0x0, iseq=0x5588bc2e31d8) at /tmp/ruby/src/trunk-asserts/iseq.c:203
  #2  rb_iseq_mark (iseq=0x5588bc2e31d8) at /tmp/ruby/src/trunk-asserts/iseq.c:224
  #3  0x00007f94dc2bc6ad in rb_objspace_reachable_objects_from (obj=obj@entry=94045761057240, func=func@entry=0x7f94dc2bafc0 <check_generation_i>, data=data@entry=0x7ffdda8f9b40) at /tmp/ruby/src/trunk-asserts/gc.c:7786
  #4  0x00007f94dc2bc8a6 in verify_internal_consistency_i (page_start=<optimized out>, page_end=0x5588bc2e3fc0, stride=40, ptr=0x7ffdda8f9b40) at /tmp/ruby/src/trunk-asserts/gc.c:5337
  #5  0x00007f94dc2b32c0 in objspace_each_objects (arg=arg@entry=140728270297904) at /tmp/ruby/src/trunk-asserts/gc.c:2524
  #6  0x00007f94dc2bd6c6 in gc_verify_internal_consistency (dummy=dummy@entry=8) at /tmp/ruby/src/trunk-asserts/gc.c:5466
  #7  0x00007f94dc2be57d in gc_start (objspace=0x5588b9ad51b0, reason=107520) at /tmp/ruby/src/trunk-asserts/gc.c:6573
  #8  0x00007f94dc2c1b15 in gc_start_internal (argc=<optimized out>, argv=<optimized out>, self=<optimized out>) at /tmp/ruby/src/trunk-asserts/gc.c:6893
  #9  0x00007f94dc43c37e in vm_call_cfunc_with_frame (ci=0x5588b9d4ac80, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f94dc986d70, ec=0x5588b9ad5438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #10 vm_call_cfunc (ec=0x5588b9ad5438, reg_cfp=0x7f94dc986d70, calling=<optimized out>, ci=0x5588b9d4ac80, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #11 0x00007f94dc45082a in vm_call_method (ec=0x5588b9ad5438, cfp=0x7f94dc986d70, calling=<optimized out>, ci=<optimized out>, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2495
  #12 0x00007f94dc4462b2 in vm_sendish (method_explorer=<optimized out>, block_handler=0, cc=0x5588b9c445e0, ci=0x5588b9d4ac80, reg_cfp=0x7f94dc986d70, ec=0x5588b9ad5438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #13 vm_exec_core (ec=ec@entry=0x5588b9ad5438, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:782
  #14 0x00007f94dc44d3d1 in rb_vm_exec (ec=ec@entry=0x5588b9ad5438, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #15 0x00007f94dc44dfdd in invoke_block (ec=ec@entry=0x5588b9ad5438, iseq=iseq@entry=0x5588b9aef848, self=self@entry=94045724875800, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #16 0x00007f94dc44efcd in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7ffdda8fa090, argc=1, self=94045724875800, captured=<optimized out>, ec=0x5588b9ad5438) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #17 invoke_block_from_c_bh (ec=ec@entry=0x5588b9ad5438, block_handler=<optimized out>, block_handler@entry=140277332864561, argv=argv@entry=0x7ffdda8fa110, force_blockarg=force_blockarg@entry=0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, argc=1) at /tmp/ruby/src/trunk-asserts/vm.c:1122
  #18 0x00007f94dc44f172 in vm_yield (argc=1, argv=0x7ffdda8fa110, ec=0x5588b9ad5438) at /tmp/ruby/src/trunk-asserts/vm.c:1167
  #19 rb_yield_0 (argv=0x7ffdda8fa110, argc=1) at /tmp/ruby/src/trunk-asserts/vm_eval.c:979
  #20 rb_yield_1 (val=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:985
  #21 rb_yield (val=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:995
  #22 0x00007f94dc215dfc in rb_ary_collect (ary=94045744256640) at /tmp/ruby/src/trunk-asserts/array.c:3017
  #23 0x00007f94dc43c37e in vm_call_cfunc_with_frame (ci=0x5588b9bc2990, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f94dc986e18, ec=0x5588b9ad5438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #24 vm_call_cfunc (ec=0x5588b9ad5438, reg_cfp=0x7f94dc986e18, calling=<optimized out>, ci=0x5588b9bc2990, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #25 0x00007f94dc44635f in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cc=0x5588b9d359b0, ci=0x5588b9bc2990, reg_cfp=0x7f94dc986e18, ec=0x5588b9ad5438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #26 vm_exec_core (ec=ec@entry=0x5588b9ad5438, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:764
  #27 0x00007f94dc44d3d1 in rb_vm_exec (ec=ec@entry=0x5588b9ad5438, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #28 0x00007f94dc44dfdd in invoke_block (ec=ec@entry=0x5588b9ad5438, iseq=iseq@entry=0x5588b9ae6c20, self=self@entry=94045724875800, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm.c:1032
  #29 0x00007f94dc44efcd in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, argv=0x7ffdda8fa520, argc=1, self=94045724875800, captured=<optimized out>, ec=0x5588b9ad5438) at /tmp/ruby/src/trunk-asserts/vm.c:1104
  #30 invoke_block_from_c_bh (ec=ec@entry=0x5588b9ad5438, block_handler=<optimized out>, block_handler@entry=140277332864841, argv=argv@entry=0x7ffdda8fa5a0, force_blockarg=force_blockarg@entry=0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, argc=1) at /tmp/ruby/src/trunk-asserts/vm.c:1122
  #31 0x00007f94dc44f172 in vm_yield (argc=1, argv=0x7ffdda8fa5a0, ec=0x5588b9ad5438) at /tmp/ruby/src/trunk-asserts/vm.c:1167
  #32 rb_yield_0 (argv=0x7ffdda8fa5a0, argc=1) at /tmp/ruby/src/trunk-asserts/vm_eval.c:979
  #33 rb_yield_1 (val=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:985
  #34 rb_yield (val=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_eval.c:995
  #35 0x00007f94dc215dfc in rb_ary_collect (ary=94045737274840) at /tmp/ruby/src/trunk-asserts/array.c:3017
  #36 0x00007f94dc43c37e in vm_call_cfunc_with_frame (ci=0x5588b9c25600, cc=<optimized out>, calling=<optimized out>, reg_cfp=0x7f94dc986f30, ec=0x5588b9ad5438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2005
  #37 vm_call_cfunc (ec=0x5588b9ad5438, reg_cfp=0x7f94dc986f30, calling=<optimized out>, ci=0x5588b9c25600, cc=<optimized out>) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:2021
  #38 0x00007f94dc44635f in vm_sendish (method_explorer=<optimized out>, block_handler=<optimized out>, cc=0x5588b9c2dc00, ci=0x5588b9c25600, reg_cfp=0x7f94dc986f30, ec=0x5588b9ad5438) at /tmp/ruby/src/trunk-asserts/vm_insnhelper.c:3349
  #39 vm_exec_core (ec=ec@entry=0x5588b9ad5438, initial=initial@entry=0) at ../../src/trunk-asserts/insns.def:764
  #40 0x00007f94dc44d3d1 in rb_vm_exec (ec=<optimized out>, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/src/trunk-asserts/vm.c:1906
  #41 0x00007f94dc451cb0 in rb_iseq_eval_main (iseq=iseq@entry=0x5588b9ae7260) at /tmp/ruby/src/trunk-asserts/vm.c:2156
  #42 0x00007f94dc29f506 in ruby_exec_internal (n=0x5588b9ae7260) at /tmp/ruby/src/trunk-asserts/eval.c:261
  #43 0x00007f94dc2a1c4d in ruby_exec_node (n=<optimized out>, n@entry=0x5588b9ae7260) at /tmp/ruby/src/trunk-asserts/eval.c:325
  #44 0x00007f94dc2a5bfe in ruby_run_node (n=0x5588b9ae7260) at /tmp/ruby/src/trunk-asserts/eval.c:317
  #45 0x00005588b906ba1f in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/src/trunk-asserts/main.c:42
  >>> Dump Ruby level backtrace
  th: 0x5588b9ad4fa0, native_id: 0x7f94dc988d80
  -- Control frame information -----------------------------------------------
  c:0013 p:---- s:0086 e:000085 CFUNC  :start
  c:0012 p:0063 s:0082 e:000081 METHOD /tmp/ruby/src/trunk-asserts/test/lib/leakchecker.rb:22
  c:0011 p:0215 s:0076 e:000075 BLOCK  /tmp/ruby/src/trunk-asserts/test/lib/minitest/unit.rb:960 [FINISH]
  c:0010 p:---- s:0069 e:000068 CFUNC  :map
  c:0009 p:0134 s:0065 e:000064 METHOD /tmp/ruby/src/trunk-asserts/test/lib/minitest/unit.rb:945
  c:0008 p:0045 s:0053 e:000052 METHOD /tmp/ruby/src/trunk-asserts/test/lib/test/unit.rb:1045
  c:0007 p:0096 s:0046 E:0019e0 METHOD /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:50
  c:0006 p:0009 s:0030 e:000029 BLOCK  /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:25 [FINISH]
  c:0005 p:---- s:0026 e:000025 CFUNC  :map
  c:0004 p:0006 s:0022 e:000021 METHOD /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:24
  c:0003 p:0263 s:0016 E:000b00 METHOD /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:122
  c:0002 p:0128 s:0006 E:001290 EVAL   /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:207 [FINISH]
  c:0001 p:0000 s:0003 E:0007a0 (none) [FINISH]
  
  th: 0x5588bda18ed0, native_id: 0x7f94dc825700
  -- Control frame information -----------------------------------------------
  c:0003 p:---- s:0012 e:000011 CFUNC  :readpartial
  c:0002 p:0036 s:0007 e:000006 BLOCK  /tmp/ruby/src/trunk-asserts/test/lib/test/unit/parallel.rb:39 [FINISH]
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
  
  th: 0x5588bd6eb110, native_id: 0x7f94dc886700
  -- Control frame information -----------------------------------------------
  c:0003 p:---- s:0011 e:000010 CFUNC  :pop
  c:0002 p:0027 s:0007 e:000006 BLOCK  /tmp/ruby/src/trunk-asserts/lib/drb/extservm.rb:64 [FINISH]
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
  
  $1 = 0
  ">>> Finish
  "
  [nil, 2888]
  "gdb -p 2887 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  running file: /tmp/ruby/src/trunk-asserts/test/drb/test_drbssl.rb
  
  Some worker was crashed. It seems ruby interpreter's bug
  or, a bug of test/unit/parallel.rb. try again without -j
  option.
  
  [New LWP 9670]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  rb_objspace_reachable_objects_from (obj=obj@entry=94475022456040, func=func@entry=0x7fba40e00fc0 <check_generation_i>, data=data@entry=0x7ffddc00a2d0) at /tmp/ruby/src/trunk-asserts/gc.c:7778
  7778	{
  >>> Machine level backtrace
  
  Thread 2 (Thread 0x7fba413cc700 (LWP 9670)):
  #0  0x00007fba40501ed9 in futex_reltimed_wait_cancelable (private=<optimized out>, reltime=0x7fba413cbd70, expected=0, futex_word=0x7fba413cbe88) at ../sysdeps/unix/sysv/linux/futex-internal.h:142
  #1  __pthread_cond_wait_common (abstime=0x7fba413cbe50, mutex=0x7fba412af3a0 <thread_cache_lock>, cond=0x7fba413cbe60) at pthread_cond_wait.c:533
  #2  __pthread_cond_timedwait (cond=0x7fba413cbe60, mutex=0x7fba412af3a0 <thread_cache_lock>, abstime=0x7fba413cbe50) at pthread_cond_wait.c:667
  #3  0x00007fba40f4be38 in native_cond_timedwait (abs=<synthetic pointer>, mutex=0x7fba412af3a0 <thread_cache_lock>, cond=0x7fba413cbe60) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:529
  #4  register_cached_thread_and_wait (altstack=0x7fba38000b20) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1092
  #5  thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/src/trunk-asserts/thread_pthread.c:1037
  #6  0x00007fba404fb6db in start_thread (arg=0x7fba413cc700) at pthread_create.c:463
  #7  0x00007fba40a5188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7fba414ced80 (LWP 2887)):
  #0  rb_objspace_reachable_objects_from (obj=obj@entry=94475022456040, func=func@entry=0x7fba40e00fc0 <check_generation_i>, data=data@entry=0x7ffddc00a2d0) at /tmp/ruby/src/trunk-asserts/gc.c:7778
  #1  0x00007fba40e028a6 in verify_internal_consistency_i (page_start=<optimized out>, page_end=0x55ecae277fb8, stride=40, ptr=0x7ffddc00a2d0) at /tmp/ruby/src/trunk-asserts/gc.c:5337
  #2  0x00007fba40df92c0 in objspace_each_objects (arg=arg@entry=140728294482624) at /tmp/ruby/src/trunk-asserts/gc.c:2524
  #3  0x00007fba40e036c6 in gc_verify_internal_consistency (dummy=dummy@entry=8) at /tmp/ruby/src/trunk-asserts/gc.c:5466
  #4  0x00007fba40e06d16 in rb_gc_call_finalizer_at_exit () at /tmp/ruby/src/trunk-asserts/gc.c:3006
  #5  0x00007fba40deb9d8 in ruby_finalize_1 () at /tmp/ruby/src/trunk-asserts/eval.c:146
  #6  ruby_cleanup (ex=<optimized out>) at /tmp/ruby/src/trunk-asserts/eval.c:238
  #7  0x00007fba40debc05 in ruby_run_node (n=0x55ecadeae7d8) at /tmp/ruby/src/trunk-asserts/eval.c:317
  #8  0x000055ecac79aa1f in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/src/trunk-asserts/main.c:42
  >>> Dump Ruby level backtrace
  th: 0x55ecade98fa0, native_id: 0x7fba414ced80
  -- Control frame information -----------------------------------------------
  c:0001 p:0000 s:0003 E:000db0 (none) [FINISH]
  
  $1 = 0
  ">>> Finish
  "
  [nil, 2887]
  "gdb -p 2866 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  make: *** [yes-test-all] Error 1
  ptrace: No such process.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace
  /home/ko1/ruby/build-ruby/gdbscript:9: Error in sourced command file:
  No symbol table is loaded.  Use the "file" command.
  [nil, 2866]
  #<Errno::ESRCH: No such process>
  "gdb -p 2864 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  Could not attach to process.  If your uid matches the uid of the target
  process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try
  again as the root user.  For more details, see /etc/sysctl.d/10-ptrace.conf
  warning: process 2864 is a zombie - the process has already terminated
  ptrace: Operation not permitted.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace
  /home/ko1/ruby/build-ruby/gdbscript:9: Error in sourced command file:
  No symbol table is loaded.  Use the "file" command.
  [nil, 2864]
  "gdb -p 9658 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  ptrace: No such process.
  >>> Machine level backtrace
  >>> Dump Ruby level backtrace
  /home/ko1/ruby/build-ruby/gdbscript:9: Error in sourced command file:
  No symbol table is loaded.  Use the "file" command.
  [nil, 9658]
  #<Errno::ESRCH: No such process>
    0.016000   0.004000 8084.824000 (10806.721215)
  /home/ko1/ruby/build-ruby/build-ruby.rb:146:in `each_line': execution expired (Timeout::Error)
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:146:in `block (2 levels) in cmd'
  	from /usr/lib/ruby/2.5.0/timeout.rb:108:in `timeout'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:145:in `block in cmd'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:142:in `popen'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:142:in `cmd'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:282:in `block in test_all'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:210:in `block in builddir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:209:in `chdir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:209:in `builddir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:281:in `test_all'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:337:in `block (4 levels) in run'
  	from /usr/lib/ruby/2.5.0/benchmark.rb:293:in `measure'
  	from /usr/lib/ruby/2.5.0/benchmark.rb:375:in `item'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:335:in `block (3 levels) in run'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:334:in `each'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:334:in `block (2 levels) in run'
  	from /usr/lib/ruby/2.5.0/benchmark.rb:173:in `benchmark'
  	from /usr/lib/ruby/2.5.0/benchmark.rb:205:in `bm'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:333:in `block in run'
  	from /usr/lib/ruby/2.5.0/benchmark.rb:293:in `measure'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:332:in `run'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:495:in `<main>'
  total: 11056.24 sec