Result of trunk-vm-asserts@silicon-docker at 2020-06-05 13:56:25 +0900

• NG (e17028e48b) [LOG]

• Linux silicon-docker 4.9.0-9-amd64 #1 SMP Debian 4.9.168-1+deb9u5 (2019-08-11) x86_64 x86_64 x86_64 GNU/Linux
  

• rev: e17028e48b
  test-all : 
  test-spec: 
  exit statuses:
    "rm -f .revision.time" exit with 0.
    "make update-unicode  DEFS=\"-DVM_CHECK_MODE=2\"" exit with 0.
    "make update-download DEFS=\"-DVM_CHECK_MODE=2\"" exit with 0.
    "make update-rubyspec DEFS=\"-DVM_CHECK_MODE=2\"" exit with 0.
    "make update-src      DEFS=\"-DVM_CHECK_MODE=2\"" exit with 0.
    "make after-update    DEFS=\"-DVM_CHECK_MODE=2\"" exit with 0.
    "make miniruby DEFS=\"-DVM_CHECK_MODE=2\"" exit with 0.
    "make ruby DEFS=\"-DVM_CHECK_MODE=2\"" exit with 0.
    "make all DEFS=\"-DVM_CHECK_MODE=2\"" exit with 0.
    "make install DEFS=\"-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-vm-asserts.20200605-015512
  #<BuildRuby:0x000055da33ae8c70
   @BUILD_DIR="/tmp/ruby/v3/build",
   @INSTALL_DIR="/tmp/ruby/v3/install",
   @REPOSITORY="https://github.com/ruby/ruby.git",
   @REPOSITORY_TYPE=:git,
   @SRC_DIR="/tmp/ruby/v3/src",
   @TARGET_BUILD_DIR="/tmp/ruby/v3/build/trunk-vm-asserts",
   @TARGET_INSTALL_DIR="/tmp/ruby/v3/install/trunk-vm-asserts",
   @TARGET_NAME="trunk-vm-asserts",
   @TARGET_SRC_DIR="/tmp/ruby/v3/src/trunk-vm-asserts",
   @build_opts="DEFS=\"-DVM_CHECK_MODE=2\"",
   @configure_opts=["--enable-shared"],
   @gist=false,
   @git_branch=nil,
   @incremental=true,
   @logfile="/home/ko1/ruby/logs/brlog.trunk-vm-asserts.20200605-015512",
   @quiet=false,
   @ruby_env=[["RUBY_DEBUG", "ci"]],
   @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 (  0.000032)
  autoconf               0.000000   0.000000   0.000000 (  0.000067)
  configure              0.000000   0.000000   0.000000 (  0.000058)
  build_up             From https://github.com/ruby/ruby
     449b62b..e17028e  master     -> origin/master
    0.012000   0.004000   7.396000 (  9.707459)
  build_miniruby         0.000000   0.000000   0.152000 (  0.168027)
  build_ruby             0.004000   0.000000   3.888000 (  3.972620)
  build_all              0.012000   0.012000   8.492000 (  8.975193)
  build_install          0.024000   0.004000   5.040000 (  5.404161)
  test_btest           test_attr.rb             ..
  test_autoload.rb         ........
  test_block.rb            ..........................................................
  test_class.rb            ................................................
  test_env.rb              ..
  test_eval.rb             .....................................
  test_exception.rb        ..................................
  test_fiber.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           .................................................
  Fiber count: 10000 (skipping)
  PASS all 1409 tests
    0.000000   0.000000  37.700000 ( 40.798360)
  test_basic             0.008000   0.008000   0.724000 (  0.843850)
  test_all             #<Thread:0x000055709542ae90 /tmp/ruby/v3/src/trunk-vm-asserts/test/net/imap/test_imap.rb:133 run> terminated with exception (report_on_exception is true):
  /tmp/ruby/v3/build/trunk-vm-asserts/.ext/common/socket.rb:252:in `local_address': closed stream (IOError)
  	from /tmp/ruby/v3/build/trunk-vm-asserts/.ext/common/socket.rb:252:in `connect_address'
  	from /tmp/ruby/v3/src/trunk-vm-asserts/test/net/imap/test_imap.rb:514:in `block (2 levels) in test_connection_closed_without_greeting'
  	from /tmp/ruby/v3/src/trunk-vm-asserts/test/net/imap/test_imap.rb:514:in `each_object'
  	from /tmp/ruby/v3/src/trunk-vm-asserts/test/net/imap/test_imap.rb:514:in `each'
  	from /tmp/ruby/v3/src/trunk-vm-asserts/test/net/imap/test_imap.rb:514:in `map'
  	from /tmp/ruby/v3/src/trunk-vm-asserts/test/net/imap/test_imap.rb:514:in `block in test_connection_closed_without_greeting'
  	from /tmp/ruby/v3/src/trunk-vm-asserts/test/net/imap/test_imap.rb:134:in `block in start_server'
  $$$ #<Timeout::Error: execution expired>
   PPID   PID  PGID   SID TTY      TPGID STAT   UID   TIME COMMAND
     11    12    12    12 ?           -1 Ss    1001   0:12 sh build-loop.sh trunk-vm-asserts --incremental --process-num=6
     12 18703    12    12 ?           -1 Sl    1001   0:00 ruby ./br.rb build_report trunk-vm-asserts --incremental --process-num=6
  18703 18705    12    12 ?           -1 S     1001   0:00 sh -c ruby /home/ko1/ruby/build-ruby/build-ruby.rb --target_name=trunk-vm-asserts --logfile=/home/ko1/ruby/logs/brlog.trunk-vm-asserts.20200605-015512 --root_dir=/tmp/ruby --timeout=10800 --build_opts='DEFS="-DVM_CHECK_MODE=2"' --incremental --process-num=6
  18705 18706    12    12 ?           -1 Sl    1001   0:00 ruby /home/ko1/ruby/build-ruby/build-ruby.rb --target_name=trunk-vm-asserts --logfile=/home/ko1/ruby/logs/brlog.trunk-vm-asserts.20200605-015512 --root_dir=/tmp/ruby --timeout=10800 --build_opts=DEFS="-DVM_CHECK_MODE=2" --incremental --process-num=6
  18706 22824    12    12 ?           -1 S     1001   0:00 sh -c make yes-test-all TESTS='-j6'
  22824 22826    12    12 ?           -1 S     1001   0:00 make yes-test-all TESTS=-j6
  22826 22839    12    12 ?           -1 S     1001   0:06 /tmp/ruby/v3/build/trunk-vm-asserts/ruby --disable-gems /tmp/ruby/v3/src/trunk-vm-asserts/test/runner.rb --ruby=./miniruby -I/tmp/ruby/v3/src/trunk-vm-asserts/lib -I. -I.ext/common  /tmp/ruby/v3/src/trunk-vm-asserts/tool/runruby.rb --extout=.ext  -- --disable-gems --excludes-dir=/tmp/ruby/v3/src/trunk-vm-asserts/test/excludes --name=!/memory_leak/ -j6
  22839 22843    12    12 ?           -1 Sl    1001   0:02 /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/test/unit/parallel.rb: IMAPTest#test_connection_closed_without_greeting
  18706 31794    12    12 ?           -1 R     1001   0:00 ps jx
  {11=>[12], 12=>[18703], 18703=>[18705], 18705=>[18706], 18706=>[22824, 31794], 22824=>[22826], 22826=>[22839], 22839=>[22843]}
  "gdb -p 22843 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  [New LWP 22849]
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  29	../sysdeps/unix/sysv/linux/poll.c: No such file or directory.
  0x00007ff916189bf9 in __GI___poll (fds=fds@entry=0x7ffed160c360, nfds=nfds@entry=1, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  >>> Machine level backtrace
  
  Thread 2 (Thread 0x7ff911b75700 (LWP 22849)):
  #0  0x00007ff916189bf9 in __GI___poll (fds=fds@entry=0x7ff911a74690, nfds=nfds@entry=1, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  #1  0x00007ff91656ddf0 in poll (__timeout=-1, __nfds=1, __fds=0x7ff911a74690) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
  #2  nogvl_wait_for_single_fd (events=1, fd=7) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:10932
  #3  internal_read_func (ptr=ptr@entry=0x7ff911a748e0) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:1078
  #4  0x00007ff9166b9d87 in rb_thread_io_blocking_region (func=0x7ff91656dd30 <internal_read_func>, data1=0x7ff911a748e0, fd=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/thread.c:1638
  #5  0x00007ff9165376a4 in rb_ensure (b_proc=b_proc@entry=0x7ff91656c060 <read_internal_call>, data1=data1@entry=140707719760096, e_proc=e_proc@entry=0x7ff91668c9a0 <rb_str_unlocktmp>, data2=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/eval.c:1141
  #6  0x00007ff91669d58b in rb_str_locktmp_ensure (str=<optimized out>, func=func@entry=0x7ff91656c060 <read_internal_call>, arg=arg@entry=140707719760096) at /tmp/ruby/v3/src/trunk-vm-asserts/string.c:2788
  #7  0x00007ff916582047 in read_internal_locktmp (iis=0x7ff911a748e0, str=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:2863
  #8  io_getpartial (argc=<optimized out>, argv=<optimized out>, io=<optimized out>, no_exception=no_exception@entry=8, nonblock=nonblock@entry=0) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:2904
  #9  0x00007ff916582491 in io_readpartial (argc=<optimized out>, argv=<optimized out>, io=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:2997
  #10 0x00007ff9166ed301 in vm_call_cfunc_with_frame (ec=0x7ff8f805fae0, reg_cfp=0x7ff911b74ca0, calling=<optimized out>, cd=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:2527
  #11 0x00007ff9166f98d3 in vm_sendish (ec=ec@entry=0x7ff8f805fae0, reg_cfp=reg_cfp@entry=0x7ff911b74ca0, cd=0x557094f66040, block_handler=block_handler@entry=0, method_explorer=0x7ff9166f9700 <vm_search_method_wrap>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:4136
  #12 0x00007ff9167001bb in vm_exec_core (ec=ec@entry=0x7ff8f805fae0, initial=initial@entry=0) at ../../src/trunk-vm-asserts/insns.def:801
  #13 0x00007ff916709482 in rb_vm_exec (ec=ec@entry=0x7ff8f805fae0, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1945
  #14 0x00007ff91670a06d in invoke_block (ec=ec@entry=0x7ff8f805fae0, iseq=iseq@entry=0x557094e17cd8, self=self@entry=93942028793800, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1052
  #15 0x00007ff91670c883 in invoke_iseq_block_from_c (me=0x0, is_lambda=0, cref=0x0, passed_block_handler=0, kw_splat=0, argv=0x7ff911a74c50, argc=0, self=93942028793800, captured=0x5570958caf40, ec=0x7ff8f805fae0) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1124
  #16 invoke_block_from_c_proc (me=0x0, is_lambda=0, passed_block_handler=0, kw_splat=0, argv=0x7ff911a74c50, argc=0, self=93942028793800, proc=0x7ff8f805fae0, ec=0x7ff8f805fae0) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1224
  #17 vm_invoke_proc (passed_block_handler=0, kw_splat=0, argv=0x7ff911a74c50, argc=0, self=93942028793800, proc=0x7ff8f805fae0, ec=0x7ff8f805fae0) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1253
  #18 rb_vm_invoke_proc (ec=0x7ff8f805fae0, proc=proc@entry=0x5570958caf40, argc=argc@entry=0, argv=argv@entry=0x7ff911a74c50, kw_splat=0, passed_block_handler=passed_block_handler@entry=0) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1274
  #19 0x00007ff9166b9132 in thread_do_start (th=th@entry=0x557095cf7e20) at /tmp/ruby/v3/src/trunk-vm-asserts/thread.c:703
  #20 0x00007ff9166bb085 in thread_start_func_2 (th=th@entry=0x557095cf7e20, stack_start=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/thread.c:757
  #21 0x00007ff9166bb66b in thread_start_func_1 (th_ptr=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/thread_pthread.c:969
  #22 0x00007ff915c406db in start_thread (arg=0x7ff911b75700) at pthread_create.c:463
  #23 0x00007ff91619688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
  
  Thread 1 (Thread 0x7ff916c53d80 (LWP 22843)):
  #0  0x00007ff916189bf9 in __GI___poll (fds=fds@entry=0x7ffed160c360, nfds=nfds@entry=1, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
  #1  0x00007ff91656ddf0 in poll (__timeout=-1, __nfds=1, __fds=0x7ffed160c360) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
  #2  nogvl_wait_for_single_fd (events=1, fd=12) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:10932
  #3  internal_read_func (ptr=ptr@entry=0x7ffed160c4b0) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:1078
  #4  0x00007ff9166b9d87 in rb_thread_io_blocking_region (func=func@entry=0x7ff91656dd30 <internal_read_func>, data1=data1@entry=0x7ffed160c4b0, fd=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/thread.c:1638
  #5  0x00007ff916571c4c in rb_read_internal (count=<optimized out>, buf=<optimized out>, fd=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:1128
  #6  io_fillbuf (fptr=fptr@entry=0x557095a36d30) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:2155
  #7  0x00007ff9165753b9 in io_fillbuf (fptr=0x557095a36d30) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:2152
  #8  appendline (lp=<synthetic pointer>, strp=<synthetic pointer>, delim=10, fptr=0x557095a36d30) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:3301
  #9  rb_io_getline_0 (rs=<optimized out>, rs@entry=93942031353240, limit=<optimized out>, limit@entry=-1, chomp=chomp@entry=0, fptr=fptr@entry=0x557095a36d30) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:3553
  #10 0x00007ff916576566 in rb_io_getline_1 (io=93942028955240, chomp=0, limit=-1, rs=93942031353240) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:3612
  #11 rb_io_getline (io=93942028955240, argv=<optimized out>, argc=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:3632
  #12 rb_io_gets_m (argc=<optimized out>, argv=<optimized out>, io=93942028955240) at /tmp/ruby/v3/src/trunk-vm-asserts/io.c:3687
  #13 0x00007ff9166ed301 in vm_call_cfunc_with_frame (ec=0x557094e085b0, reg_cfp=0x7ff916c51b78, calling=<optimized out>, cd=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:2527
  #14 0x00007ff9166f98d3 in vm_sendish (ec=ec@entry=0x557094e085b0, reg_cfp=reg_cfp@entry=0x7ff916c51b78, cd=0x557095b0a8a0, block_handler=block_handler@entry=0, method_explorer=0x7ff9166f9700 <vm_search_method_wrap>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:4136
  #15 0x00007ff9167001bb in vm_exec_core (ec=ec@entry=0x557094e085b0, initial=initial@entry=0) at ../../src/trunk-vm-asserts/insns.def:801
  #16 0x00007ff916709482 in rb_vm_exec (ec=ec@entry=0x557094e085b0, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1945
  #17 0x00007ff9166f9ef4 in vm_call0_body (argv=0x7ff916b523e0, cd=0x7ffed160c8f0, calling=0x7ffed160c900, ec=0x557094e085b0) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_eval.c:136
  #18 rb_vm_call0 (ec=0x557094e085b0, recv=<optimized out>, id=<optimized out>, argc=<optimized out>, argv=0x7ff916b523e0, me=<optimized out>, kw_splat=1) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_eval.c:53
  #19 0x00007ff9166fb306 in rb_call (scope=CALL_FCALL_KW, argv=0x2, argc=3089, mid=3089, recv=93942028869680) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_eval.c:682
  #20 rb_funcallv_kw (recv=recv@entry=93942028869680, mid=mid@entry=3089, argc=argc@entry=2, argv=argv@entry=0x7ff916b523e0, kw_splat=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_eval.c:928
  #21 0x00007ff91653a3e1 in rb_obj_call_init_kw (obj=obj@entry=93942028869680, argc=argc@entry=2, argv=argv@entry=0x7ff916b523e0, kw_splat=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/eval.c:1703
  #22 0x00007ff9165e4a53 in rb_class_new_instance_pass_kw (argc=2, argv=0x7ff916b523e0, klass=93942028873800) at /tmp/ruby/v3/src/trunk-vm-asserts/object.c:2212
  #23 0x00007ff9166ed301 in vm_call_cfunc_with_frame (ec=ec@entry=0x557094e085b0, reg_cfp=reg_cfp@entry=0x7ff916c51c20, calling=calling@entry=0x7ffed160cba0, cd=cd@entry=0x5570957e2530) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:2527
  #24 0x00007ff9166f889a in vm_call_cfunc (ec=ec@entry=0x557094e085b0, reg_cfp=reg_cfp@entry=0x7ff916c51c20, calling=calling@entry=0x7ffed160cba0, cd=cd@entry=0x5570957e2530) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:2548
  #25 0x00007ff91670cc10 in vm_call_method_each_type (ec=ec@entry=0x557094e085b0, cfp=cfp@entry=0x7ff916c51c20, calling=calling@entry=0x7ffed160cba0, cd=cd@entry=0x5570957e2530) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:3028
  #26 0x00007ff91670d323 in vm_call_method (ec=0x557094e085b0, cfp=0x7ff916c51c20, calling=0x7ffed160cba0, cd=0x5570957e2530) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:3132
  #27 0x00007ff9166f98d3 in vm_sendish (ec=ec@entry=0x557094e085b0, reg_cfp=reg_cfp@entry=0x7ff916c51c20, cd=0x5570957e2530, block_handler=block_handler@entry=0, method_explorer=0x7ff9166f9700 <vm_search_method_wrap>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:4136
  #28 0x00007ff9167001bb in vm_exec_core (ec=ec@entry=0x557094e085b0, initial=initial@entry=0) at ../../src/trunk-vm-asserts/insns.def:801
  #29 0x00007ff916709482 in rb_vm_exec (ec=ec@entry=0x557094e085b0, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1945
  #30 0x00007ff91670a06d in invoke_block (ec=ec@entry=0x557094e085b0, iseq=iseq@entry=0x557094e66c70, self=self@entry=93942028793800, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1052
  #31 0x00007ff91670b88c in invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=0, argv=0x7ffed160ce20, argc=1, self=93942028793800, captured=<optimized out>, ec=0x557094e085b0) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1124
  #32 invoke_block_from_c_bh (ec=ec@entry=0x557094e085b0, block_handler=<optimized out>, block_handler@entry=140707805601273, argv=argv@entry=0x7ffed160ce20, force_blockarg=force_blockarg@entry=0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=0, argc=1) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1142
  #33 0x00007ff91670bc32 in vm_yield (argc=1, kw_splat=0, argv=0x7ffed160ce20, ec=0x557094e085b0) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1187
  #34 rb_yield_0 (argv=0x7ffed160ce20, argc=1) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_eval.c:1133
  #35 rb_yield_1 (val=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_eval.c:1139
  #36 rb_yield (val=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_eval.c:1149
  #37 0x00007ff9164a28ec in rb_ary_collect (ary=93942036068480) at /tmp/ruby/v3/src/trunk-vm-asserts/array.c:3186
  #38 0x00007ff9166ed301 in vm_call_cfunc_with_frame (ec=0x557094e085b0, reg_cfp=0x7ff916c51de0, calling=<optimized out>, cd=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:2527
  #39 0x00007ff9166f98d3 in vm_sendish (ec=ec@entry=0x557094e085b0, reg_cfp=reg_cfp@entry=0x7ff916c51de0, cd=cd@entry=0x5570950314b0, block_handler=<optimized out>, method_explorer=0x7ff9166f9700 <vm_search_method_wrap>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:4136
  #40 0x00007ff9167014a0 in vm_exec_core (ec=ec@entry=0x557094e085b0, initial=initial@entry=0) at ../../src/trunk-vm-asserts/insns.def:782
  #41 0x00007ff916709482 in rb_vm_exec (ec=ec@entry=0x557094e085b0, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1945
  #42 0x00007ff91670a06d in invoke_block (ec=ec@entry=0x557094e085b0, iseq=iseq@entry=0x557094e17eb8, self=self@entry=93942028793800, cref=cref@entry=0x0, type=type@entry=572653569, opt_pc=0, captured=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1052
  #43 0x00007ff91670b88c in invoke_iseq_block_from_c (me=0x0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=0, argv=0x7ffed160d1a0, argc=1, self=93942028793800, captured=<optimized out>, ec=0x557094e085b0) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1124
  #44 invoke_block_from_c_bh (ec=ec@entry=0x557094e085b0, block_handler=<optimized out>, block_handler@entry=140707805601609, argv=argv@entry=0x7ffed160d1a0, force_blockarg=force_blockarg@entry=0, is_lambda=<optimized out>, cref=0x0, passed_block_handler=0, kw_splat=0, argc=1) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1142
  #45 0x00007ff91670bc32 in vm_yield (argc=1, kw_splat=0, argv=0x7ffed160d1a0, ec=0x557094e085b0) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1187
  #46 rb_yield_0 (argv=0x7ffed160d1a0, argc=1) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_eval.c:1133
  #47 rb_yield_1 (val=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_eval.c:1139
  #48 rb_yield (val=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_eval.c:1149
  #49 0x00007ff9164a28ec in rb_ary_collect (ary=93942035908160) at /tmp/ruby/v3/src/trunk-vm-asserts/array.c:3186
  #50 0x00007ff9166ed301 in vm_call_cfunc_with_frame (ec=0x557094e085b0, reg_cfp=0x7ff916c51f30, calling=<optimized out>, cd=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:2527
  #51 0x00007ff9166f98d3 in vm_sendish (ec=ec@entry=0x557094e085b0, reg_cfp=reg_cfp@entry=0x7ff916c51f30, cd=cd@entry=0x557094f62c90, block_handler=<optimized out>, method_explorer=0x7ff9166f9700 <vm_search_method_wrap>) at /tmp/ruby/v3/src/trunk-vm-asserts/vm_insnhelper.c:4136
  #52 0x00007ff9167014a0 in vm_exec_core (ec=ec@entry=0x557094e085b0, initial=initial@entry=0) at ../../src/trunk-vm-asserts/insns.def:782
  #53 0x00007ff916709482 in rb_vm_exec (ec=0x557094e085b0, mjit_enable_p=mjit_enable_p@entry=1) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:1945
  #54 0x00007ff91670e994 in rb_iseq_eval_main (iseq=iseq@entry=0x557094e186d8) at /tmp/ruby/v3/src/trunk-vm-asserts/vm.c:2195
  #55 0x00007ff916533bea in rb_ec_exec_node (ec=ec@entry=0x557094e085b0, n=n@entry=0x557094e186d8) at /tmp/ruby/v3/src/trunk-vm-asserts/eval.c:296
  #56 0x00007ff916539cb9 in ruby_run_node (n=0x557094e186d8) at /tmp/ruby/v3/src/trunk-vm-asserts/eval.c:354
  #57 0x00005570939f0a1f in main (argc=<optimized out>, argv=<optimized out>) at /tmp/ruby/v3/src/trunk-vm-asserts/main.c:50
  >>> Dump Ruby level backtrace
  th: 0x557094e07f70, native_id: 0x7ff916c53d80
  -- Control frame information -----------------------------------------------
  c:0022 p:---- s:0148 e:000147 CFUNC  :gets
    me:
      called_id: gets, type: cfunc
      owner class: 0x0000557094e4a020 [3LMP  ] T_CLASS IO
    self: 0x000055709543ee68 [0    U] T_FILE (Socket)
  c:0021 p:0031 s:0143 e:000142 METHOD /tmp/ruby/v3/src/trunk-vm-asserts/lib/net/imap.rb:1231
    me:
      called_id: get_response, type: iseq
      owner class: 0x0000557095bec818 [2     ] T_CLASS Net::IMAP
    self: 0x000055709542a030 [0     ] T_OBJECT len:22 ptr:0x00007ff914fa82e0
    lvars:
      buff: 0x000055709543d7c0 [0     ] T_STRING (String)
      s: T_NIL
  c:0020 p:0223 s:0137 e:000136 METHOD /tmp/ruby/v3/src/trunk-vm-asserts/lib/net/imap.rb:1110 [FINISH]
    me:
      called_id: initialize, type: iseq
      owner class: 0x0000557095bec818 [2     ] T_CLASS Net::IMAP
    self: 0x000055709542a030 [0     ] T_OBJECT len:22 ptr:0x00007ff914fa82e0
    lvars:
      host: 0x000055709542a260 [0     ] T_STRING (String)127.0.0.1
      port_or_options: 0x000055709542a0a8 [0     ] T_HASH (Hash)[AT] 1
      usessl: T_FALSE
      certs: T_NIL
      verify: T_TRUE
      options: 0x000055709542a0a8 [0     ] T_HASH (Hash)[AT] 1
  c:0019 p:---- s:0127 e:000126 CFUNC  :new
    me:
      called_id: new, type: cfunc
      owner class: 0x0000557094e69128 [3LMP  ] T_CLASS Class
    self: 0x000055709542b048 [2     ] T_CLASS (annon)
  c:0018 p:0010 s:0121 e:000120 BLOCK  /tmp/ruby/v3/src/trunk-vm-asserts/test/net/imap/test_imap.rb:527
    me:
      called_id: test_connection_closed_without_greeting, type: iseq
      owner class: 0x0000557095ae16a8 [2     ] T_CLASS IMAPTest
    self: 0x000055709541c6b0 [0     ] T_OBJECT (IMAPTest)len:9 ptr:0x00007ff914fb7b08
    lvars:
      e: T_NIL
  c:0017 p:0044 s:0117 e:000116 METHOD /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/test/unit/core_assertions.rb:382
    me:
      called_id: assert_raise, type: iseq
      owner class: 0x000055709500be40 [0LM  U] T_MODULE (Module)Test::Unit::CoreAssertions
      defined_class: 0x000055709514de48 [0LM  U] T_ICLASS src:Test::Unit::CoreAssertions
    self: 0x000055709541c6b0 [0     ] T_OBJECT (IMAPTest)len:9 ptr:0x00007ff914fb7b08
    lvars:
      exp: 0x000055709542a580 [0     ] T_ARRAY (Array)[E ] len: 1 (embed)
      b: T_NIL
      msg: T_NIL
      e: T_NIL
      expected: T_NIL
  c:0016 p:0117 s:0108 E:0021e0 METHOD /tmp/ruby/v3/src/trunk-vm-asserts/test/net/imap/test_imap.rb:524
    me:
      called_id: test_connection_closed_without_greeting, type: iseq
      owner class: 0x0000557095ae16a8 [2     ] T_CLASS IMAPTest
    self: 0x000055709541c6b0 [0     ] T_OBJECT (IMAPTest)len:9 ptr:0x00007ff914fb7b08
    lvars:
      server: 0x000055709542b638 [0    U] T_FILE (TCPServer)
      port: T_FIXNUM 41951
      h: 0x000055709542b070 [0     ] T_HASH (Hash)[AT] 6
      net_imap: 0x000055709542b048 [2     ] T_CLASS (annon)
  c:0015 p:0054 s:0100 e:000099 METHOD /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/test/unit.rb:1231
    me:
      called_id: run_test, type: iseq
      owner class: 0x000055709500d1a0 [3LM R ] T_CLASS MiniTest::Unit::TestCase
    self: 0x000055709541c6b0 [0     ] T_OBJECT (IMAPTest)len:9 ptr:0x00007ff914fb7b08
    lvars:
      name: 0x0000557095b07e20 [0     ] T_STRING (String)test_connection_closed_without_greeting
      progname: 0x0000557094e2a018 [3LMP  ] T_STRING (String)/tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/test/unit/parallel.rb
  c:0014 p:0065 s:0094 e:000093 METHOD /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/minitest/unit.rb:1320
    me:
      called_id: run, type: iseq
      owner class: 0x000055709500d1a0 [3LM R ] T_CLASS MiniTest::Unit::TestCase
    self: 0x000055709541c6b0 [0     ] T_OBJECT (IMAPTest)len:9 ptr:0x00007ff914fb7b08
    lvars:
      runner: 0x00005570954177c8 [3LMPR ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055709520b6f0
      start_time: 0x000055709541c688 [0    U] time (Time)time
      result: 0x0000557094e183e0 [3LMP  ] T_STRING (String)
      time: T_NIL
      e: T_NIL
  c:0013 p:0013 s:0085 e:000084 METHOD /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/test/unit/testcase.rb:18
    me:
      called_id: run, type: iseq
      owner class: 0x000055709514e028 [3LM   ] T_CLASS Test::Unit::TestCase
    self: 0x000055709541c6b0 [0     ] T_OBJECT (IMAPTest)len:9 ptr:0x00007ff914fb7b08
    lvars:
      runner: 0x00005570954177c8 [3LMPR ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055709520b6f0
  c:0012 p:0079 s:0080 e:000079 BLOCK  /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/minitest/unit.rb:969 [FINISH]
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x000055709500e578 [3LM R ] T_CLASS MiniTest::Unit
    self: 0x00005570954177c8 [3LMPR ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055709520b6f0
    lvars:
      method: 0x0000557095b07e20 [0     ] T_STRING (String)test_connection_closed_without_greeting
      inst: 0x000055709541c6b0 [0     ] T_OBJECT (IMAPTest)len:9 ptr:0x00007ff914fb7b08
      start_time: T_NIL
      result: T_NIL
  c:0011 p:---- s:0073 e:000072 CFUNC  :map
    me:
      called_id: map, type: cfunc
      owner class: 0x0000557094e52658 [3LMP  ] T_CLASS Array
    self: 0x0000557095b07880 [0     ] T_ARRAY (Array)[  T] len: 24, capa:37 ptr:0x00007ff914fb5288
  c:0010 p:0006 s:0069 e:000068 BLOCK  /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/minitest/unit.rb:962
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x000055709500e578 [3LM R ] T_CLASS MiniTest::Unit
    self: 0x00005570954177c8 [3LMPR ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055709520b6f0
    lvars:
      assertions: T_NIL
  c:0009 p:0167 s:0065 E:001ca0 METHOD /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/minitest/unit.rb:989
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x000055709500e578 [3LM R ] T_CLASS MiniTest::Unit
    self: 0x00005570954177c8 [3LMPR ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055709520b6f0
    lvars:
      suite: 0x0000557095ae16a8 [2     ] T_CLASS IMAPTest
      type: T_SYMBOL test
      header: 0x0000557095ae0118 [0     ] T_STRING (String)test_suite_header
      filter: 0x000055709542a468 [3LM   ] T_REGEXP 
      all_test_methods: 0x0000557095b07998 [0     ] T_ARRAY (Array)[   ] len: 24, capa:24 ptr:0x0000557095d1bd40
      filtered_test_methods: 0x0000557095b07880 [0     ] T_ARRAY (Array)[  T] len: 24, capa:37 ptr:0x00007ff914fb5288
      leakchecker: 0x0000557095b07240 [0     ] T_OBJECT (LeakChecker)len:7 ptr:0x00007ff914fb56a0
      continuation: 0x0000557095b04d38 [0     ] proc (Proc) block in _run_suite@/tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/minitest/unit.rb:961
  c:0008 p:0042 s:0053 e:000052 METHOD /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/test/unit.rb:1084
    me:
      called_id: orig_run_suite, type: iseq
      owner class: 0x000055709514c020 [0LM  U] T_MODULE (Module)Test::Unit::ExcludesOption
      defined_class: 0x000055709500b030 [0LM  U] T_ICLASS src:Test::Unit::ExcludesOption
    self: 0x00005570954177c8 [3LMPR ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055709520b6f0
    lvars:
      suite: 0x0000557095ae16a8 [2     ] T_CLASS IMAPTest
      type: T_SYMBOL test
      ex: T_NIL
  c:0007 p:0103 s:0046 E:001eb0 METHOD /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/test/unit/parallel.rb:55
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x0000557094e4ca00 [3LMP  ] T_CLASS Test::Unit::Worker
    self: 0x00005570954177c8 [3LMPR ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055709520b6f0
    lvars:
      suite: 0x0000557095ae16a8 [2     ] T_CLASS IMAPTest
      type: T_SYMBOL test
      orig_testout: 0x0000557094e47550 [0LMP U] T_FILE (IO)
      i: 0x0000557095ae0578 [0    U] T_FILE (IO)
      o: 0x0000557095ae0550 [0    U] T_FILE (IO)
      orig_stdin: 0x0000557094e475f0 [0LMP U] T_FILE (IO)
      orig_stdout: 0x0000557094e47550 [0LMP U] T_FILE (IO)
      th: 0x0000557095ae04d8 [0    U] VM/thread (Thread)VM/thread
      e: T_FIXNUM 0
      f: T_FIXNUM 0
      s: T_FIXNUM 3
      result: T_NIL
  c:0006 p:0008 s:0030 e:000029 BLOCK  /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/test/unit/parallel.rb:31 [FINISH]
    me:
      called_id: _run_suites, type: iseq
      owner class: 0x0000557094e4ca00 [3LMP  ] T_CLASS Test::Unit::Worker
    self: 0x00005570954177c8 [3LMPR ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055709520b6f0
    lvars:
      suite: 0x0000557095ae16a8 [2     ] T_CLASS IMAPTest
  c:0005 p:---- s:0026 e:000025 CFUNC  :map
    me:
      called_id: map, type: cfunc
      owner class: 0x0000557094e52658 [3LMP  ] T_CLASS Array
    self: 0x0000557095ae0640 [0     ] T_ARRAY (Array)[E ] len: 1 (embed)
  c:0004 p:0005 s:0022 e:000021 METHOD /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/test/unit/parallel.rb:30
    me:
      called_id: _run_suites, type: iseq
      owner class: 0x0000557094e4ca00 [3LMP  ] T_CLASS Test::Unit::Worker
    self: 0x00005570954177c8 [3LMPR ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055709520b6f0
    lvars:
      suites: 0x0000557095ae0640 [0     ] T_ARRAY (Array)[E ] len: 1 (embed)
      type: T_SYMBOL test
  c:0003 p:0259 s:0016 E:002300 METHOD /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/test/unit/parallel.rb:125
    me:
      called_id: run, type: iseq
      owner class: 0x0000557094e4ca00 [3LMP  ] T_CLASS Test::Unit::Worker
    self: 0x00005570954177c8 [3LMPR ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055709520b6f0
    lvars:
      args: 0x0000557094e466f0 [3LMP  ] T_ARRAY [E ] len: 0 (embed)
      buf: 0x0000557095187490 [3LM   ] T_STRING (String)run /tmp/ruby/v3/src/trunk-vm-asserts/test/net/imap/test_imap.rb test
  
      suites: 0x0000557095187148 [3LM   ] T_ARRAY (Array)[   ] len: 26, capa:26 ptr:0x00005570958a6b10
      e: T_NIL
      trace: T_NIL
      err: T_NIL
  c:0002 p:0144 s:0006 E:001d50 EVAL   /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/test/unit/parallel.rb:205 [FINISH]
    self: 0x0000557094e65eb0 [3LMP  ] T_OBJECT len:0 ptr:0x0000000000000000
  c:0001 p:0000 s:0003 E:000400 (none) [FINISH]
    self: 0x0000557094e65eb0 [3LMP  ] T_OBJECT len:0 ptr:0x0000000000000000
  
  th: 0x557095cf7e20, native_id: 0x7ff911b75700
  -- Control frame information -----------------------------------------------
  c:0003 p:---- s:0012 e:000011 CFUNC  :readpartial
    me:
      called_id: readpartial, type: cfunc
      owner class: 0x0000557094e4a020 [3LMP  ] T_CLASS IO
    self: 0x0000557095ae0578 [0    U] T_FILE (IO)
  c:0002 p:0036 s:0007 e:000006 BLOCK  /tmp/ruby/v3/src/trunk-vm-asserts/tool/lib/test/unit/parallel.rb:45 [FINISH]
    me:
      called_id: _run_suite, type: iseq
      owner class: 0x0000557094e4ca00 [3LMP  ] T_CLASS Test::Unit::Worker
    self: 0x00005570954177c8 [3LMPR ] T_OBJECT (Test::Unit::Worker)len:28 ptr:0x000055709520b6f0
    lvars:
      buf: 0x00005570953d87d0 [0     ] T_STRING (String).
  c:0001 p:---- s:0003 e:000002 (none) [FINISH]
    self: T_NIL
  
  $1 = 0
  ">>> Finish
  "
  [nil, 22843]
  "gdb -p 22839 -x /home/ko1/ruby/build-ruby/gdbscript -batch -quiet"
  running file: /tmp/ruby/v3/src/trunk-vm-asserts/test/net/imap/test_imap.rb
  
  Some worker was crashed. It seems ruby interpreter's bug
  or, a bug of test/unit/parallel.rb. try again without -j
  option.
  
  22843:running:test_imap: Broken pipe
  
  /tmp/ruby/v3/src/trunk-vm-asserts/test/rubygems/test_gem_package_task.rb: cannot load such file -- rake/packagetask (Test::Unit::ProxyError)
  
  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, 22839]
  #<Errno::ESRCH: No such process>
  "gdb -p 22826 -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, 22826]
  #<Errno::ESRCH: No such process>
  "gdb -p 22824 -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 22824 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, 22824]
  "gdb -p 31794 -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, 31794]
  #<Errno::ESRCH: No such process>
    0.004000   0.008000 1482.708000 (10802.001164)
  /home/ko1/ruby/build-ruby/build-ruby.rb:150:in `each_line': execution expired (Timeout::Error)
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:150: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:149:in `block in cmd'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:146:in `popen'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:146:in `cmd'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:287:in `block in test_all'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:214:in `block in builddir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:213:in `chdir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:213:in `builddir'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:286:in `test_all'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:342: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:340:in `block (3 levels) in run'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:339:in `each'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:339: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:338: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:337:in `run'
  	from /home/ko1/ruby/build-ruby/build-ruby.rb:500:in `<main>'
  total: 10871.87 sec