coreyf@frewbook-pro ~/D/r/servo (master) [1]> ./mach run -d http://news.ycombinator.com
thread 'ScriptTask PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(0) }' panicked at 'assertion failed: self.suspended_since.get().is_none()', /Users/coreyf/Development/rust/servo/components/script/timers.rs:302
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x108bd1857 - sys_common::unwind::begin_unwind::begin_unwind::h6013527462472163115
   6:        0x1093d24f6 - timers::_<impl>::suspend::h2b5d23bdd48565cfXe0
   7:        0x1093d246f - dom::window::_<impl>::freeze::h9db0a973af7265d5lAT
   8:        0x1094774d0 - script_task::_<impl>::handle_freeze_msg::h870855878ad6f693VmY
   9:        0x10947492a - script_task::_<impl>::handle_msg_from_constellation::h2bcde2c38854dfbcBXX
  10:        0x109473181 - script_task::_<impl>::handle_msgs::_<closure>::closure.153983
  11:        0x109472d72 - script_task::_<impl>::profile_event::h17201106865570710532
  12:        0x1094459cf - script_task::_<impl>::handle_msgs::h9d6ee921e283ae6fkLX
  13:        0x10943a240 - script_task::_<impl>::start::h92c58de184d4cabeaLX
  14:        0x10943a20c - script_task::_<impl>::create::_<closure>::_<closure>::closure.153523
  15:        0x109439f80 - mem::_<impl>::run_with_memory_reporting::run_with_memory_reporting::h2579562698869375760
  16:        0x1094309c2 - script_task::_<impl>::create::_<closure>::closure.153259
  17:        0x10942ffa7 - util::task::spawn_named_with_send_on_failure::_<closure>::closure.153252
  18:        0x10942fef7 - boxed::_<impl>::call_box::call_box::h13690438905561145205
  19:        0x108bf0a5b - boxed::_<impl>::call_once::call_once::h2037064455503983534
  20:        0x108bf062d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.114684
  21:        0x108bf05d9 - sys_common::unwind::try::try_fn::try_fn::h7114584136122829963
  22:        0x10ad44ae8 - __rust_try
  23:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  24:        0x108bf0543 - sys_common::unwind::try::try::h1710013783211824149
  25:        0x108bf03bb - std::thread::_<impl>::spawn_inner::_<closure>::closure.114661
  26:        0x108bf0c8c - boxed::_<impl>::call_box::call_box::h247979001150499961
  27:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  28:     0x7fff9ab319b0 - _pthread_body
  29:     0x7fff9ab3192d - _pthread_start
thread 'Constellation' panicked at 'called `Result::unwrap()` on an `Err` value: "SendError(..)"', src/libcore/result.rs:736
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x109b7bafe - result::_<impl>::unwrap::unwrap::h15803469513569622284
   9:        0x109b7bc53 - pipeline::_<impl>::force_exit::h187329e739c14aedlVf
  10:        0x1086b35a2 - constellation::_<impl>::close_pipeline::close_pipeline::h7174756701180509044
  11:        0x1086b21b7 - constellation::_<impl>::handle_failure_msg::handle_failure_msg::h5397430824233849668
  12:        0x10869390d - constellation::_<impl>::handle_request::handle_request::h11431170504730336170
  13:        0x10868e54b - constellation::_<impl>::run::run::h17233721292198931740
  14:        0x10866312c - export::compositing::constellation::_<impl>::start::_<closure>::closure.20099
  15:        0x108661ee7 - boxed::_<impl>::call_box::call_box::h10717532098136079256
  16:        0x108661afb - boxed::_<impl>::call_once::call_once::h9447247507543652004
  17:        0x1086616cd - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.20060
  18:        0x108661679 - sys_common::unwind::try::try_fn::try_fn::h10642910996740278691
  19:        0x10ad44ae8 - __rust_try
  20:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  21:        0x1086615e3 - sys_common::unwind::try::try::h16202649139980744476
  22:        0x10866145b - std::thread::_<impl>::spawn_inner::_<closure>::closure.20037
  23:        0x108661d2c - boxed::_<impl>::call_box::call_box::h14940472034995653569
  24:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  25:     0x7fff9ab319b0 - _pthread_body
  26:     0x7fff9ab3192d - _pthread_start
thread 'LayoutTask PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(2) }' panicked at 'called `Result::unwrap()` on an `Err` value: RecvError', src/libcore/result.rs:736
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x108a582d9 - result::_<impl>::unwrap::unwrap::h16272101181344876198
   9:        0x108a3a3e6 - layout_task::_<impl>::handle_request::h7507ca4bf6a8c41en5q
  10:        0x108a05afa - layout_task::_<impl>::start::h7405da0d655a4d44J3q
  11:        0x108a05947 - layout_task::_<impl>::create::_<closure>::_<closure>::closure.53515
  12:        0x108a00f63 - mem::_<impl>::run_with_memory_reporting::run_with_memory_reporting::h16381181687263919643
  13:        0x1089cfca5 - layout_task::_<impl>::create::_<closure>::closure.52004
  14:        0x1089cf2a7 - util::task::spawn_named_with_send_on_failure::_<closure>::closure.51992
  15:        0x1089cf1f7 - boxed::_<impl>::call_box::call_box::h6234717807886082829
  16:        0x1089ced4b - boxed::_<impl>::call_once::call_once::h17982923234709530759
  17:        0x1089ce91d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.51962
  18:        0x1089ce8c9 - sys_common::unwind::try::try_fn::try_fn::h2142900102651248505
  19:        0x10ad44ae8 - __rust_try
  20:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  21:        0x1089ce833 - sys_common::unwind::try::try::h13717378100896570910
  22:        0x1089ce6ab - std::thread::_<impl>::spawn_inner::_<closure>::closure.51939
  23:        0x1089cef7c - boxed::_<impl>::call_box::call_box::h8298499157630561807
  24:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  25:     0x7fff9ab319b0 - _pthread_body
  26:     0x7fff9ab3192d - _pthread_start
thread 'PaintTask PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(2) }' panicked at 'called `Result::unwrap()` on an `Err` value: RecvErrorthread '', thread 'thread 'LayoutWorker worker 2/6LayoutWorker worker 3/6src/libcore/result.rsLayoutWorker worker 1/6' panicked at ':' panicked at '' panicked at 'called `Result::unwrap()` on an `Err` value: RecvErrorcalled `Result::unwrap()` on an `Err` value: RecvError736', called `Result::unwrap()` on an `Err` value: RecvError', src/libcore/result.rs', src/libcore/result.rs:src/libcore/result.rs:736:736
736

stack backtrace:

thread 'LayoutWorker worker 4/6' panicked at 'called `Result::unwrap()` on an `Err` value: RecvErrorthread '', LayoutWorker worker 5/6src/libcore/result.rs' panicked at ':called `Result::unwrap()` on an `Err` value: RecvError736',
thread 'src/libcore/result.rs:736
LayoutWorker worker 6/6' panicked at 'thread '  called `Result::unwrap()` on an `Err` value: RecvError', src/libcore/result.rsLayoutTask PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(2) }Watcher: ' panicked at '7361called `Result::unwrap()` on an `Err` value: "SendError(..)"
: ', src/libcore/result.rs : 736
    0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x108a1c869 - result::_<impl>::unwrap::unwrap::h14396439584113519952
   9:        0x108a1be35 - workqueue::_<impl>::start::start::h358481972452908367
  10:        0x108a1bccf - util::workqueue::_<impl>::new::_<closure>::closure.53937
  11:        0x108a1bbb9 - boxed::_<impl>::call_box::call_box::h5676511998843372951
  12:        0x1089ced4b - boxed::_<impl>::call_once::call_once::h17982923234709530759
  13:        0x1089ce91d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.51962
  14:        0x1089ce8c9 - sys_common::unwind::try::try_fn::try_fn::h2142900102651248505
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  17:        0x1089ce833 - sys_common::unwind::try::try::h13717378100896570910
  18:        0x1089ce6ab - std::thread::_<impl>::spawn_inner::_<closure>::closure.51939
  19:        0x1089cef7c - boxed::_<impl>::call_box::call_box::h8298499157630561807
  20:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  21:     0x7fff9ab319b0 - _pthread_body
  22:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x108a1c869 - result::_<impl>::unwrap::unwrap::h14396439584113519952
   9:        0x108a1be35 - workqueue::_<impl>::start::start::h358481972452908367
  10:        0x108a1bccf - util::workqueue::_<impl>::new::_<closure>::closure.53937
  11:        0x108a1bbb9 - boxed::_<impl>::call_box::call_box::h5676511998843372951
  12:        0x1089ced4b - boxed::_<impl>::call_once::call_once::h17982923234709530759
  13:        0x1089ce91d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.51962
  14:        0x1089ce8c9 - sys_common::unwind::try::try_fn::try_fn::h2142900102651248505
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  17:        0x1089ce833 - sys_common::unwind::try::try::h13717378100896570910
  18:        0x1089ce6ab - std::thread::_<impl>::spawn_inner::_<closure>::closure.51939
  19:        0x1089cef7c - boxed::_<impl>::call_box::call_box::h8298499157630561807
  20:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  21:     0x7fff9ab319b0 - _pthread_body
  22:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x109bbbc65 - result::_<impl>::unwrap::unwrap::h3448441480007950682
   9:        0x109bae160 - paint_task::_<impl>::start::start::h18318771123079493152
  10:        0x109badd4c - gfx::paint_task::_<impl>::create::_<closure>::_<closure>::closure.31109
  11:        0x109bab747 - mem::_<impl>::run_with_memory_reporting::run_with_memory_reporting::h12918024920268159069
  12:        0x109b9db4c - gfx::paint_task::_<impl>::create::_<closure>::closure.30649
  13:        0x109b9d2d7 - util::task::spawn_named_with_send_on_failure::_<closure>::closure.30641
  14:        0x109b9d227 - boxed::_<impl>::call_box::call_box::h2166987994548373643
  15:        0x109b0567b - boxed::_<impl>::call_once::call_once::h17169998378774417752
  16:        0x109b0524d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.26781
  17:        0x109b051f9 - sys_common::unwind::try::try_fn::try_fn::h651081411699473534
  18:        0x10ad44ae8 - __rust_try
  19:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  20:        0x109b05163 - sys_common::unwind::try::try::h3436093357725794666
  21:        0x109b04fdb - std::thread::_<impl>::spawn_inner::_<closure>::closure.26758
  22:        0x109b058ac - boxed::_<impl>::call_box::call_box::h5939448851573790
  23:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  24:     0x7fff9ab319b0 - _pthread_body
  25:     0x7fff9ab3192d - _pthread_start
stack backtrace:
thread 'thread 'PaintWorkerPaintWorkerthread '' panicked at '' panicked at 'PaintWorkercalled `Result::unwrap()` on an `Err` value: RecvErrorcalled `Result::unwrap()` on an `Err` value: RecvError' panicked at '', ', called `Result::unwrap()` on an `Err` value: RecvErrorsrc/libcore/result.rssrc/libcore/result.rs', ::src/libcore/result.rs736736:

736
thread 'PaintWorker' panicked at 'called `Result::unwrap()` on an `Err` value: RecvError', src/libcore/result.rs:736thread '
thread 'PaintWorkerPaintWorker' panicked at '' panicked at 'called `Result::unwrap()` on an `Err` value: RecvErrorcalled `Result::unwrap()` on an `Err` value: RecvError', ', src/libcore/result.rssrc/libcore/result.rs::736736

thread 'PaintTask PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(2) }Watcher' panicked at 'called `Result::unwrap()` on an `Err` value: "SendError(..)"', src/libcore/result.rs:736
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x108a1c869 - result::_<impl>::unwrap::unwrap::h14396439584113519952
   9:        0x108a1be35 - workqueue::_<impl>::start::start::h358481972452908367
  10:        0x108a1bccf - util::workqueue::_<impl>::new::_<closure>::closure.53937
  11:        0x108a1bbb9 - boxed::_<impl>::call_box::call_box::h5676511998843372951
  12:        0x1089ced4b - boxed::_<impl>::call_once::call_once::h17982923234709530759
  13:        0x1089ce91d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.51962
  14:        0x1089ce8c9 - sys_common::unwind::try::try_fn::try_fn::h2142900102651248505
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  17:        0x1089ce833 - sys_common::unwind::try::try::h13717378100896570910
  18:        0x1089ce6ab - std::thread::_<impl>::spawn_inner::_<closure>::closure.51939
  19:        0x1089cef7c - boxed::_<impl>::call_box::call_box::h8298499157630561807
  20:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  21:     0x7fff9ab319b0 - _pthread_body
  22:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x108a1c869 - result::_<impl>::unwrap::unwrap::h14396439584113519952
   9:        0x108a1be35 - workqueue::_<impl>::start::start::h358481972452908367
  10:        0x108a1bccf - util::workqueue::_<impl>::new::_<closure>::closure.53937
  11:        0x108a1bbb9 - boxed::_<impl>::call_box::call_box::h5676511998843372951
  12:        0x1089ced4b - boxed::_<impl>::call_once::call_once::h17982923234709530759
  13:        0x1089ce91d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.51962
  14:        0x1089ce8c9 - sys_common::unwind::try::try_fn::try_fn::h2142900102651248505
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  17:        0x1089ce833 - sys_common::unwind::try::try::h13717378100896570910
  18:        0x1089ce6ab - std::thread::_<impl>::spawn_inner::_<closure>::closure.51939
  19:        0x1089cef7c - boxed::_<impl>::call_box::call_box::h8298499157630561807
  20:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  21:     0x7fff9ab319b0 - _pthread_body
  22:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x108a1c869 - result::_<impl>::unwrap::unwrap::h14396439584113519952
   9:        0x108a1be35 - workqueue::_<impl>::start::start::h358481972452908367
  10:        0x108a1bccf - util::workqueue::_<impl>::new::_<closure>::closure.53937
  11:        0x108a1bbb9 - boxed::_<impl>::call_box::call_box::h5676511998843372951
  12:        0x1089ced4b - boxed::_<impl>::call_once::call_once::h17982923234709530759
  13:        0x1089ce91d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.51962
  14:        0x1089ce8c9 - sys_common::unwind::try::try_fn::try_fn::h2142900102651248505
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  17:        0x1089ce833 - sys_common::unwind::try::try::h13717378100896570910
  18:        0x1089ce6ab - std::thread::_<impl>::spawn_inner::_<closure>::closure.51939
  19:        0x1089cef7c - boxed::_<impl>::call_box::call_box::h8298499157630561807
  20:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  21:     0x7fff9ab319b0 - _pthread_body
  22:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x108a1c869 - result::_<impl>::unwrap::unwrap::h14396439584113519952
   9:        0x108a1be35 - workqueue::_<impl>::start::start::h358481972452908367
  10:        0x108a1bccf - util::workqueue::_<impl>::new::_<closure>::closure.53937
  11:        0x108a1bbb9 - boxed::_<impl>::call_box::call_box::h5676511998843372951
  12:        0x1089ced4b - boxed::_<impl>::call_once::call_once::h17982923234709530759
  13:        0x1089ce91d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.51962
  14:        0x1089ce8c9 - sys_common::unwind::try::try_fn::try_fn::h2142900102651248505
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  17:        0x1089ce833 - sys_common::unwind::try::try::h13717378100896570910
  18:        0x1089ce6ab - std::thread::_<impl>::spawn_inner::_<closure>::closure.51939
  19:        0x1089cef7c - boxed::_<impl>::call_box::call_box::h8298499157630561807
  20:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  21:     0x7fff9ab319b0 - _pthread_body
  22:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x10882be5e - result::_<impl>::unwrap::unwrap::h14151638715876631485
   9:        0x1089d05ea - util::task::spawn_named_with_send_on_failure::_<closure>::closure.52009
  10:        0x1089d01a7 - boxed::_<impl>::call_box::call_box::h16523938737989545931
  11:        0x1089ced4b - boxed::_<impl>::call_once::call_once::h17982923234709530759
  12:        0x1089ce91d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.51962
  13:        0x1089ce8c9 - sys_common::unwind::try::try_fn::try_fn::h2142900102651248505
  14:        0x10ad44ae8 - __rust_try
  15:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  16:        0x1089ce833 - sys_common::unwind::try::try::h13717378100896570910
  17:        0x1089ce6ab - std::thread::_<impl>::spawn_inner::_<closure>::closure.51939
  18:        0x1089cef7c - boxed::_<impl>::call_box::call_box::h8298499157630561807
  19:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  20:     0x7fff9ab319b0 - _pthread_body
  21:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
thread 'ScriptTask PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(2) }' panicked at 'called `Result::unwrap()` on an `Err` value: "SendError(..)"', src/libcore/result.rs:736
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x109cb75f7 - result::_<impl>::unwrap::unwrap::h17717102147176203198
   9:        0x109cae9b9 - paint_task::_<impl>::main::h9014d5ad37db04b3Rrm
  10:        0x109cae542 - paint_task::_<impl>::spawn::_<closure>::_<closure>::closure.39981
  11:        0x109cae3b5 - boxed::_<impl>::call_box::call_box::h1531863320522816125
  12:        0x109c817cb - boxed::_<impl>::call_once::call_once::h10383768504178843853
  13:        0x109c8139d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.39039
  14:        0x109c81349 - sys_common::unwind::try::try_fn::try_fn::h16531681529351083856
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  17:        0x109c812b3 - sys_common::unwind::try::try::h3641012822636182422
  18:        0x109c8112b - std::thread::_<impl>::spawn_inner::_<closure>::closure.39016
  19:        0x109c819fc - boxed::_<impl>::call_box::call_box::h3593120621663362214
  20:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  21:     0x7fff9ab319b0 - _pthread_body
  22:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x109cb75f7 - result::_<impl>::unwrap::unwrap::h17717102147176203198
   9:        0x109cae9b9 - paint_task::_<impl>::main::h9014d5ad37db04b3Rrm
  10:        0x109cae542 - paint_task::_<impl>::spawn::_<closure>::_<closure>::closure.39981
  11:        0x109cae3b5 - boxed::_<impl>::call_box::call_box::h1531863320522816125
  12:        0x109c817cb - boxed::_<impl>::call_once::call_once::h10383768504178843853
  13:        0x109c8139d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.39039
  14:        0x109c81349 - sys_common::unwind::try::try_fn::try_fn::h16531681529351083856
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  17:        0x109c812b3 - sys_common::unwind::try::try::h3641012822636182422
  18:        0x109c8112b - std::thread::_<impl>::spawn_inner::_<closure>::closure.39016
  19:        0x109c819fc - boxed::_<impl>::call_box::call_box::h3593120621663362214
  20:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  21:     0x7fff9ab319b0 - _pthread_body
  22:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x109cb75f7 - result::_<impl>::unwrap::unwrap::h17717102147176203198
   9:        0x109cae9b9 - paint_task::_<impl>::main::h9014d5ad37db04b3Rrm
  10:        0x109cae542 - paint_task::_<impl>::spawn::_<closure>::_<closure>::closure.39981
  11:        0x109cae3b5 - boxed::_<impl>::call_box::call_box::h1531863320522816125
  12:        0x109c817cb - boxed::_<impl>::call_once::call_once::h10383768504178843853
  13:        0x109c8139d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.39039
  14:        0x109c81349 - sys_common::unwind::try::try_fn::try_fn::h16531681529351083856
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  17:        0x109c812b3 - sys_common::unwind::try::try::h3641012822636182422
  18:        0x109c8112b - std::thread::_<impl>::spawn_inner::_<closure>::closure.39016
  19:        0x109c819fc - boxed::_<impl>::call_box::call_box::h3593120621663362214
  20:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  21:     0x7fff9ab319b0 - _pthread_body
  22:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x109cb75f7 - result::_<impl>::unwrap::unwrap::h17717102147176203198
   9:        0x109cae9b9 - paint_task::_<impl>::main::h9014d5ad37db04b3Rrm
  10:        0x109cae542 - paint_task::_<impl>::spawn::_<closure>::_<closure>::closure.39981
  11:        0x109cae3b5 - boxed::_<impl>::call_box::call_box::h1531863320522816125
  12:        0x109c817cb - boxed::_<impl>::call_once::call_once::h10383768504178843853
  13:        0x109c8139d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.39039
  14:        0x109c81349 - sys_common::unwind::try::try_fn::try_fn::h16531681529351083856
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  17:        0x109c812b3 - sys_common::unwind::try::try::h3641012822636182422
  18:        0x109c8112b - std::thread::_<impl>::spawn_inner::_<closure>::closure.39016
  19:        0x109c819fc - boxed::_<impl>::call_box::call_box::h3593120621663362214
  20:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  21:     0x7fff9ab319b0 - _pthread_body
  22:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x109cb75f7 - result::_<impl>::unwrap::unwrap::h17717102147176203198
   9:        0x109cae9b9 - paint_task::_<impl>::main::h9014d5ad37db04b3Rrm
  10:        0x109cae542 - paint_task::_<impl>::spawn::_<closure>::_<closure>::closure.39981
  11:        0x109cae3b5 - boxed::_<impl>::call_box::call_box::h1531863320522816125
  12:        0x109c817cb - boxed::_<impl>::call_once::call_once::h10383768504178843853
  13:        0x109c8139d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.39039
  14:        0x109c81349 - sys_common::unwind::try::try_fn::try_fn::h16531681529351083856
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  17:        0x109c812b3 - sys_common::unwind::try::try::h3641012822636182422
  18:        0x109c8112b - std::thread::_<impl>::spawn_inner::_<closure>::closure.39016
  19:        0x109c819fc - boxed::_<impl>::call_box::call_box::h3593120621663362214
  20:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  21:     0x7fff9ab319b0 - _pthread_body
  22:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x109cb75f7 - result::_<impl>::unwrap::unwrap::h17717102147176203198
   9:        0x109cae9b9 - paint_task::_<impl>::main::h9014d5ad37db04b3Rrm
  10:        0x109cae542 - paint_task::_<impl>::spawn::_<closure>::_<closure>::closure.39981
  11:        0x109cae3b5 - boxed::_<impl>::call_box::call_box::h1531863320522816125
  12:        0x109c817cb - boxed::_<impl>::call_once::call_once::h10383768504178843853
  13:        0x109c8139d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.39039
  14:        0x109c81349 - sys_common::unwind::try::try_fn::try_fn::h16531681529351083856
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  17:        0x109c812b3 - sys_common::unwind::try::try::h3641012822636182422
  18:        0x109c8112b - std::thread::_<impl>::spawn_inner::_<closure>::closure.39016
  19:        0x109c819fc - boxed::_<impl>::call_box::call_box::h3593120621663362214
  20:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  21:     0x7fff9ab319b0 - _pthread_body
  22:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x109acee4e - result::_<impl>::unwrap::unwrap::h6847504697336821970
   9:        0x109b9e7ba - util::task::spawn_named_with_send_on_failure::_<closure>::closure.30660
  10:        0x109b9e377 - boxed::_<impl>::call_box::call_box::h15705259050781492568
  11:        0x109b0567b - boxed::_<impl>::call_once::call_once::h17169998378774417752
  12:        0x109b0524d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.26781
  13:        0x109b051f9 - sys_common::unwind::try::try_fn::try_fn::h651081411699473534
  14:        0x10ad44ae8 - __rust_try
  15:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  16:        0x109b05163 - sys_common::unwind::try::try::h3436093357725794666
  17:        0x109b04fdb - std::thread::_<impl>::spawn_inner::_<closure>::closure.26758
  18:        0x109b058ac - boxed::_<impl>::call_box::call_box::h5939448851573790
  19:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  20:     0x7fff9ab319b0 - _pthread_body
  21:     0x7fff9ab3192d - _pthread_start
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x109121cce - result::_<impl>::unwrap::unwrap::h12252218522619792354
   9:        0x1093dbdfe - dom::window::_<impl>::new::h8b9a8751d435431fRDT
  10:        0x109489e75 - script_task::_<impl>::load::hdb69bb0dc8280573QzY
  11:        0x10943bc7e - script_task::_<impl>::handle_page_fetch_complete::hdd2ad88879fc9026rsY
  12:        0x10943b869 - script_task::_<impl>::page_fetch_complete::_<closure>::closure.153574
  13:        0x10943b67e - thread::local::_<impl>::with::with::h6764750758576490758
  14:        0x1092dc72a - script_task::_<impl>::page_fetch_complete::h4ef400480aa962a64EX
  15:        0x1092db8c8 - dom::servohtmlparser::_<impl>::headers_available::h68db2c4d58d2723flUL
  16:        0x10a0014b9 - _<impl>::process::ha30553559ad42ad8lwg
  17:        0x109492675 - network_listener::_<impl>::handler::h4603244986553325111
  18:        0x10943d115 - script_task::_<impl>::handle_msg_from_script::hd4ae54539e982159F0X
  19:        0x1094731ef - script_task::_<impl>::handle_msgs::_<closure>::closure.153983
  20:        0x109472d72 - script_task::_<impl>::profile_event::h17201106865570710532
  21:        0x1094459cf - script_task::_<impl>::handle_msgs::h9d6ee921e283ae6fkLX
  22:        0x10943a240 - script_task::_<impl>::start::h92c58de184d4cabeaLX
  23:        0x10943a20c - script_task::_<impl>::create::_<closure>::_<closure>::closure.153523
  24:        0x109439f80 - mem::_<impl>::run_with_memory_reporting::run_with_memory_reporting::h2579562698869375760
  25:        0x1094309c2 - script_task::_<impl>::create::_<closure>::closure.153259
  26:        0x10942ffa7 - util::task::spawn_named_with_send_on_failure::_<closure>::closure.153252
  27:        0x10942fef7 - boxed::_<impl>::call_box::call_box::h13690438905561145205
  28:        0x108bf0a5b - boxed::_<impl>::call_once::call_once::h2037064455503983534
  29:        0x108bf062d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.114684
  30:        0x108bf05d9 - sys_common::unwind::try::try_fn::try_fn::h7114584136122829963
  31:        0x10ad44ae8 - __rust_try
  32:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  33:        0x108bf0543 - sys_common::unwind::try::try::h1710013783211824149
  34:        0x108bf03bb - std::thread::_<impl>::spawn_inner::_<closure>::closure.114661
  35:        0x108bf0c8c - boxed::_<impl>::call_box::call_box::h247979001150499961
  36:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  37:     0x7fff9ab319b0 - _pthread_body
  38:     0x7fff9ab3192d - _pthread_start
thread 'ScriptTask PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(2) }Watcher' panicked at 'called `Result::unwrap()` on an `Err` value: "SendError(..)"', src/libcore/result.rs:736
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x108bcfa0e - result::_<impl>::unwrap::unwrap::h2639299142858507128
   9:        0x10943130a - util::task::spawn_named_with_send_on_failure::_<closure>::closure.153264
  10:        0x109430ec7 - boxed::_<impl>::call_box::call_box::h8851761760054973137
  11:        0x108bf0a5b - boxed::_<impl>::call_once::call_once::h2037064455503983534
  12:        0x108bf062d - std::thread::_<impl>::spawn_inner::_<closure>::_<closure>::closure.114684
  13:        0x108bf05d9 - sys_common::unwind::try::try_fn::try_fn::h7114584136122829963
  14:        0x10ad44ae8 - __rust_try
  15:        0x10ad41f8e - sys_common::unwind::try::inner_try::hc13d8e198528cd0fZ4r
  16:        0x108bf0543 - sys_common::unwind::try::try::h1710013783211824149
  17:        0x108bf03bb - std::thread::_<impl>::spawn_inner::_<closure>::closure.114661
  18:        0x108bf0c8c - boxed::_<impl>::call_box::call_box::h247979001150499961
  19:        0x10ad464dd - sys::thread::_<impl>::new::thread_start::h906ddce3a93d4852ksw
  20:     0x7fff9ab319b0 - _pthread_body
  21:     0x7fff9ab3192d - _pthread_start
thread '<main>' panicked at 'called `Result::unwrap()` on an `Err` value: "SendError(..)"', src/libcore/result.rs:736
stack backtrace:
   1:        0x10ad45618 - sys::backtrace::tracing::imp::write::h662793599f713c74T5s
   2:        0x10ad4710f - panicking::log_panic::_<closure>::closure.38923
   3:        0x10ad46bb9 - panicking::log_panic::h87af6096e0b6fa7c4Uw
   4:        0x10ad358a6 - sys_common::unwind::begin_unwind_inner::h1e338bc64cf56d9dr8r
   5:        0x10ad35c8e - sys_common::unwind::begin_unwind_fmt::he992719329bdd2c6x7r
   6:        0x10ad44ca7 - rust_begin_unwind
   7:        0x10ad6aad0 - panicking::panic_fmt::h54ca80e608a83d7dwZK
   8:        0x1085a866e - result::_<impl>::unwrap::unwrap::h9482645680685534654
   9:        0x1085b5a73 - compositor::_<impl>::start_shutting_down::start_shutting_down::h13445822688708572634
  10:        0x10862bac4 - compositor::_<impl>::handle_window_message::handle_window_message::h3142603154576700840
  11:        0x1085aae3e - compositor::_<impl>::handle_events::handle_events::h14187952521313330110
  12:        0x108643d98 - _<impl>::handle_events::h83eaf5c12b8f286fLda
  13:        0x108560947 - main::h6ac4149d54e3c2d9Jaa
  14:        0x10ad46942 - sys_common::unwind::try::try_fn::h5790516615995350782
  15:        0x10ad44ae8 - __rust_try
  16:        0x10ad467e9 - rt::lang_start::h3dc147628bf597f5cSw
  17:        0x108633679 - main
thread 'LayoutTask PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(1) }' panicked at 'called `Result::unwrap()` on an `Err` value: RecvError', thread 'src/libcore/result.rsLayoutTask PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(0) }:' panicked at '736called `Result::unwrap()` on an `Err` value: RecvError
', stack backtrace:
src/libcore/result.rs:736
Servo exited with return value 101