{"action":"opened","issue":{"url":"https://api.github.com/repos/servo/servo/issues/14638","repository_url":"https://api.github.com/repos/servo/servo","labels_url":"https://api.github.com/repos/servo/servo/issues/14638/labels{/name}","comments_url":"https://api.github.com/repos/servo/servo/issues/14638/comments","events_url":"https://api.github.com/repos/servo/servo/issues/14638/events","html_url":"https://github.com/servo/servo/issues/14638","id":196529352,"number":14638,"title":"called `Option::unwrap()` on a `None` value","user":{"login":"beingalink","id":871741,"avatar_url":"https://avatars.githubusercontent.com/u/871741?v=3","gravatar_id":"","url":"https://api.github.com/users/beingalink","html_url":"https://github.com/beingalink","followers_url":"https://api.github.com/users/beingalink/followers","following_url":"https://api.github.com/users/beingalink/following{/other_user}","gists_url":"https://api.github.com/users/beingalink/gists{/gist_id}","starred_url":"https://api.github.com/users/beingalink/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/beingalink/subscriptions","organizations_url":"https://api.github.com/users/beingalink/orgs","repos_url":"https://api.github.com/users/beingalink/repos","events_url":"https://api.github.com/users/beingalink/events{/privacy}","received_events_url":"https://api.github.com/users/beingalink/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-12-19T21:49:33Z","updated_at":"2016-12-19T21:49:33Z","closed_at":null,"body":"called `Option::unwrap()` on a `None` value\r\n### URL:\r\n\r\n### Servo Version:\r\nServo 0.0.1-11dffa8\r\n### Backtrace:\r\n```\r\n\r\nWARNING: <Constellation>: creating replacement pipeline for about:failure\r\nWARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(5) }>: Mozbrowser event after pipeline PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(6) } closed.\r\nWARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(5) }>: Mozbrowser event after pipeline PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(6) } closed.\r\nWARNING: <ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(5) }>: Panic hook called.\r\nWARNING: <Constellation>: Parent pipeline PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(6) } closed\r\nERROR: called `Option::unwrap()` on a `None` value\r\n\r\nstack backtrace:\r\n   0:        0x1028e1ade - backtrace::backtrace::trace::he729cbd729f64e70\r\n   1:        0x1028e1dcc - backtrace::capture::Backtrace::new::h3416c1b891724916\r\n   2:        0x1028d7cf5 - constellation::constellation::log_entry::heb47f295faa7fc01\r\n   3:        0x1028d6bc2 - _<constellation..constellation..FromCompositorLogger as log..Log>::log::h7d143df2315d915e\r\n   4:        0x104278501 - log::__log::h6c933a12665923ab\r\n   5:        0x1027cae90 - servo::main::_{{closure}}::h0f6bf64e846b9f76\r\n   6:        0x1042dddf3 - std::panicking::rust_panic_with_hook::ha5aed1dfc0e220e3\r\n   7:        0x1042ddcc4 - std::panicking::begin_panic::hc066339e2fdc17d1\r\n   8:        0x1042ddbe2 - std::panicking::begin_panic_fmt::h5912b2d2df332044\r\n   9:        0x1042ddb47 - rust_begin_unwind\r\n  10:        0x10430ba00 - core::panicking::panic_fmt::h561c5ee168a3d2cb\r\n  11:        0x10430b904 - core::panicking::panic::h194ce5d68a8f28a1\r\n  12:        0x1030c389c - script::script_thread::ScriptThread::handle_msg_from_constellation::hba8c04a6e43a2e3b\r\n  13:        0x1030c04ae - script::script_thread::ScriptThread::handle_msgs::_{{closure}}::h2c0d7536615a594c\r\n  14:        0x1030bb2c5 - script::script_thread::ScriptThread::handle_msgs::h37e51f011f87dce1\r\n  15:        0x102cd1907 - std::panicking::try::do_call::h9d8cfb9eb2183033\r\n  16:        0x1042decca - __rust_maybe_catch_panic\r\n  17:        0x102dd7576 - _<F as alloc..boxed..FnBox<A>>::call_box::h0e44f0842d866d9f\r\n  18:        0x1042dcd74 - std::sys::imp::thread::Thread::new::thread_start::h8084b1107992ae5b\r\n  19:     0x7fffe217baaa - _pthread_body\r\n  20:     0x7fffe217b9f6 - _pthread_start\r\n```\r\nThis report was generated by the browser.html issue reporter.\r\n"}}
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