{"action":"opened","issue":{"url":"https://api.github.com/repos/servo/servo/issues/20806","repository_url":"https://api.github.com/repos/servo/servo","labels_url":"https://api.github.com/repos/servo/servo/issues/20806/labels{/name}","comments_url":"https://api.github.com/repos/servo/servo/issues/20806/comments","events_url":"https://api.github.com/repos/servo/servo/issues/20806/events","html_url":"https://github.com/servo/servo/issues/20806","id":324167802,"number":20806,"title":"Museum showcase background doesn't appear","user":{"login":"jdm","id":27658,"avatar_url":"https://avatars1.githubusercontent.com/u/27658?v=4","gravatar_id":"","url":"https://api.github.com/users/jdm","html_url":"https://github.com/jdm","followers_url":"https://api.github.com/users/jdm/followers","following_url":"https://api.github.com/users/jdm/following{/other_user}","gists_url":"https://api.github.com/users/jdm/gists{/gist_id}","starred_url":"https://api.github.com/users/jdm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jdm/subscriptions","organizations_url":"https://api.github.com/users/jdm/orgs","repos_url":"https://api.github.com/users/jdm/repos","events_url":"https://api.github.com/users/jdm/events{/privacy}","received_events_url":"https://api.github.com/users/jdm/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-05-17T20:09:44Z","updated_at":"2018-05-17T20:09:44Z","closed_at":null,"author_association":"MEMBER","body":"```\r\ngodot:master-servo jdm$ ./mach run -d --pref dom.mutation_observer.enabled https://aframe.io/examples/showcase/museum/\r\nERROR 2018-05-17T20:07:34Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 3) }\r\nERROR 2018-05-17T20:07:34Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 3) }\r\nERROR 2018-05-17T20:07:34Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 3) }\r\nERROR 2018-05-17T20:07:34Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 3) }\r\nERROR 2018-05-17T20:07:34Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 3) }\r\nERROR 2018-05-17T20:07:34Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 3) }\r\nERROR 2018-05-17T20:07:35Z: script::dom::bindings::error: Error at https://cdn.jsdelivr.net/docsearch.js/2/docsearch.min.js:2:55856 Error: No input element in the page matches .docs-search-sidebar .search-field\r\nERROR 2018-05-17T20:07:35Z: webrender::display_list_flattener: Unknown pipeline used for iframe IframeDisplayItem { clip_id: Clip(8, PipelineId(0, 1)), pipeline_id: PipelineId(1, 3) }\r\nA-Frame Version: 0.7.0 (Date 22-09-2017, Commit #75ac4d8)\r\nthree Version:\r\n^0.87.0\r\nWebVR Polyfill Version:\r\n^0.9.36\r\n%ccore:schema:warn %cDefault value `0 1 0` does not match type `vec3` in component `teleport-controls`%c\r\ncolor: orange\r\ncolor: inherit\r\ncolor: orange\r\nTHREE.WebGLRenderer\r\n87\r\nERROR 2018-05-17T20:07:38Z: offscreen_gl_context::draw_buffer: The given GLContext doesn't support requested antialising\r\nTHREE.WebGLRenderer: WEBGL_depth_texture extension not supported.\r\nTHREE.WebGLRenderer: ANGLE_instanced_arrays extension not supported.\r\nTHREE.WebGLRenderer: OES_element_index_uint extension not supported.\r\nERROR 2018-05-17T20:07:38Z: offscreen_gl_context::draw_buffer: The given GLContext doesn't support requested antialising\r\nERROR 2018-05-17T20:07:38Z: offscreen_gl_context::draw_buffer: The given GLContext doesn't support requested antialising\r\n[physics] `debug` cannot be changed dynamically.\r\n%ccore:a-assets:warn %cAsset loading timed out in %c\r\ncolor: orange\r\ncolor: inherit\r\ncolor: orange\r\n3000\r\nms\r\n%ccomponents:sound:warn %cAudio source was not specified with `src`%c\r\ncolor: orange\r\ncolor: inherit\r\ncolor: orange\r\nERROR 2018-05-17T20:08:06Z: offscreen_gl_context::draw_buffer: The given GLContext doesn't support requested antialising\r\nERROR 2018-05-17T20:08:06Z: offscreen_gl_context::draw_buffer: The given GLContext doesn't support requested antialising\r\nTHREE.WebGLRenderer: EXT_shader_texture_lod extension not supported.\r\nTHREE.WebGLRenderer: Texture marked for update but image is incomplete\r\n[object Object]\r\nTHREE.WebGLRenderer: Texture marked for update but image is incomplete\r\n[object Object]\r\n%ccore:schema:warn %cUnknown property `rotationOffset` for component/system `windows-motion-controls`.%c\r\ncolor: orange\r\ncolor: inherit\r\ncolor: orange\r\n%ccore:schema:warn %cUnknown property `rotationOffset` for component/system `windows-motion-controls`.%c\r\ncolor: orange\r\ncolor: inherit\r\ncolor: orange\r\nOBJLoader: timer started\r\nOBJLoader: 126ms\r\nOBJLoader: timer started\r\nOBJLoader: 4673ms\r\nOBJLoader: timer started\r\nOBJLoader: 87ms\r\nOBJLoader: timer started\r\nOBJLoader: 33ms\r\nOBJLoader: timer started\r\nOBJLoader: 13ms\r\nOBJLoader: timer started\r\nOBJLoader: 72ms\r\nOBJLoader: timer started\r\nOBJLoader: 25ms\r\nOBJLoader: timer started\r\nOBJLoader: 355ms\r\nOBJLoader: timer started\r\nOBJLoader: 3678ms\r\nTHREE.WebGLRenderer: EXT_texture_filter_anisotropic extension not supported.\r\nTHREE.WebGLRenderer: Texture marked for update but image is incomplete\r\n[object Object]\r\nTHREE.WebGLRenderer: Texture marked for update but image is incomplete\r\n[object Object]\r\nTHREE.WebGLRenderer: Texture marked for update but image is incomplete\r\n[object Object]\r\nTHREE.WebGLRenderer: Texture marked for update but image is incomplete\r\n[object Object]\r\nTHREE.WebGLRenderer: Texture marked for update but image is incomplete\r\n[object Object]\r\nmodel load time [worker]: 18 ms, total: 38123\r\nmodel load time [worker]: 40 ms, total: 38357\r\nmodel load time [worker]: 78 ms, total: 38438\r\nmodel load time [worker]: 57 ms, total: 38494\r\nTHREE.WebGLRenderer: Texture marked for update but image is incomplete\r\n[object Object]\r\nTHREE.WebGLRenderer: Texture marked for update but image is incomplete\r\n[object Object]\r\ncalled `Result::unwrap()` on an `Err` value: Io(Custom { kind: InvalidData, error: StringError(\"Send is too large for port\") }) (thread <unnamed>, at libcore/result.rs:945)\r\nstack backtrace:\r\n   0:        0x112c29e34 - backtrace::backtrace::trace::he39332bd6b104fb9\r\n                        at /Users/jdm/.cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.2/src/backtrace/mod.rs:42\r\n   1:        0x112c24f5c - backtrace::capture::Backtrace::new::h56fe28cf6edb3743\r\n                        at /Users/jdm/.cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.2/src/capture.rs:64\r\n   2:        0x10be15f7d - servo::main::_$u7b$$u7b$closure$u7d$$u7d$::h07036b9f5999b66e\r\n                        at ports/servo/main.rs:145\r\n   3:        0x112c60934 - std::panicking::rust_panic_with_hook::hcebe05e8466ff134\r\n                        at libstd/panicking.rs:467\r\n   4:        0x112c60420 - std::panicking::begin_panic_fmt::hf6867449b867ca07\r\n                        at libstd/panicking.rs:350\r\n   5:        0x112c603e2 - rust_begin_unwind\r\n                        at libstd/panicking.rs:328\r\n   6:        0x112c726e5 - core::panicking::panic_fmt::h794f4a50949acedc\r\n                        at libcore/panicking.rs:71\r\n   7:        0x112a0f80e - core::result::unwrap_failed::he49da7f315c4142e\r\n                        at /Users/travis/build/rust-lang/rust/src/libcore/macros.rs:26\r\n   8:        0x112a0dee9 - _$LT$core..result..Result$LT$T$C$$u20$E$GT$$GT$::unwrap::h8f5b7f5cf48af8cb\r\n                        at /Users/travis/build/rust-lang/rust/src/libcore/result.rs:782\r\n   9:        0x1117673ae - webrender_api::api::RenderApi::update_resources::h704c601c219ec39d\r\n                        at /Users/jdm/.cargo/git/checkouts/webrender-c3596abe1cf4f320/f946835/webrender_api/src/api.rs:846\r\n  10:        0x10f4cb41a - net::image_cache::set_webrender_image_key::h2c325ec52365c106\r\n                        at components/net/image_cache.rs:86\r\n  11:        0x10f4ccb40 - net::image_cache::ImageCacheStore::complete_load::h83a2dd9405cb789c\r\n                        at components/net/image_cache.rs:341\r\n  12:        0x10f4cd6ad - net::image_cache::ImageCacheStore::handle_decoder::he12c8897a8e46a6d\r\n                        at components/net/image_cache.rs:389\r\n  13:        0x10f4d2565 - _$LT$net..image_cache..ImageCacheImpl$u20$as$u20$net_traits..image_cache..ImageCache$GT$::notify_pending_response::_$u7b$$u7b$closure$u7d$$u7d$::hba3eee22cd695fec\r\n                        at components/net/image_cache.rs:541\r\n  14:        0x10f55116a - std::sys_common::backtrace::__rust_begin_short_backtrace::ha34ed39df4e3aa7d\r\n                        at /Users/travis/build/rust-lang/rust/src/libstd/sys_common/backtrace.rs:136\r\n  15:        0x10f462c4e - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::_$u7b$$u7b$closure$u7d$$u7d$::h5113320b74e68f5b\r\n                        at /Users/travis/build/rust-lang/rust/src/libstd/thread/mod.rs:409\r\n  16:        0x10f55028a - _$LT$std..panic..AssertUnwindSafe$LT$F$GT$$u20$as$u20$core..ops..function..FnOnce$LT$$LP$$RP$$GT$$GT$::call_once::h1426f14b310c47f5\r\n                        at /Users/travis/build/rust-lang/rust/src/libstd/panic.rs:305\r\n  17:        0x10f5542b4 - std::panicking::try::do_call::h1401efbd7d08f3d6\r\n                        at /Users/travis/build/rust-lang/rust/src/libstd/panicking.rs:310\r\n  18:        0x112c6c11e - __rust_maybe_catch_panic\r\n                        at libpanic_unwind/lib.rs:105\r\n  19:        0x10f553de4 - std::panicking::try::hba7a5ef5c3ecb533\r\n                        at /Users/travis/build/rust-lang/rust/src/libstd/panicking.rs:289\r\n  20:        0x10f552c1a - std::panic::catch_unwind::hc7c3ebf0f4e425f7\r\n                        at /Users/travis/build/rust-lang/rust/src/libstd/panic.rs:374\r\n  21:        0x10f46171f - std::thread::Builder::spawn::_$u7b$$u7b$closure$u7d$$u7d$::h53720912a37896ab\r\n                        at /Users/travis/build/rust-lang/rust/src/libstd/thread/mod.rs:408\r\n  22:        0x10f4642ef - _$LT$F$u20$as$u20$alloc..boxed..FnBox$LT$A$GT$$GT$::call_box::hf8f697be49125f52\r\n                        at /Users/travis/build/rust-lang/rust/src/liballoc/boxed.rs:638\r\n  23:        0x112c5be97 - std::sys_common::thread::start_thread::h3a2a1586806f3926\r\n                        at libstd/sys_common/thread.rs:24\r\n  24:        0x112c44d18 - std::sys::unix::thread::Thread::new::thread_start::h657bd8405a5d884c\r\n                        at libstd/sys/unix/thread.rs:90\r\n  25:     0x7fffbfb9093a - _pthread_body\r\n  26:     0x7fffbfb90886 - _pthread_start\r\n```"}}
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