gistfile1.txt

$ ./mach test-wpt /_webgl/conformance2/context
Warning: Cannot set the path to OSMesa library.
Running 9 tests in web-platform-tests

  ▶ CRASH [expected ERROR] /_webgl/conformance2/context/context-sharing-texture2darray-texture3d-data-bug.html
  │ 
  │ internal error: entered unreachable code (thread ScriptThread PipelineId { namespace_id: PipelineNamespaceId(1), index: PipelineIndex(1) }, at components/script/dom/bindings/trace.rs:896)
  │ stack backtrace:
  │    0: servo::backtrace::print
  │    1: servo::main::{{closure}}
  │    2: std::panicking::rust_panic_with_hook
  │    3: std::panicking::begin_panic
  │    4: script::dom::bindings::trace::RootedTraceableSet::remove::{{closure}}
  │    5: std::thread::local::LocalKey<T>::try_with
  │    6: std::thread::local::LocalKey<T>::with
  │    7: script::dom::bindings::trace::RootedTraceableSet::remove
  │    8: <script::dom::bindings::trace::RootedVec<T> as core::ops::drop::Drop>::drop
  │    9: core::ptr::drop_in_place
  │   10: script::dom::event::Event::dispatch
  │   11: script::dom::eventtarget::EventTarget::dispatch_event
  │   12: script::dom::event::Event::fire
  │   13: script::dom::eventtarget::EventTarget::fire_event_with_params
  │   14: script::dom::eventtarget::EventTarget::fire_event
  │   15: script::dom::document::Document::set_ready_state
  │   16: script::script_thread::ScriptThread::load
  │   17: script::script_thread::ScriptThread::handle_page_headers_available::{{closure}}
  │   18: core::option::Option<T>::map
  │   19: script::script_thread::ScriptThread::handle_page_headers_available
  │   20: script::script_thread::ScriptThread::page_headers_available::{{closure}}
  │   21: std::thread::local::LocalKey<T>::try_with
  │   22: std::thread::local::LocalKey<T>::with
  │   23: script::script_thread::ScriptThread::page_headers_available
  │   24: <script::dom::servoparser::ParserContext as net_traits::FetchResponseListener>::process_response
  │   25: script::script_thread::ScriptThread::handle_fetch_metadata
  │   26: script::script_thread::ScriptThread::handle_msg_from_constellation
  │   27: script::script_thread::ScriptThread::handle_msgs::{{closure}}
  │   28: script::script_thread::ScriptThread::profile_event
  │   29: script::script_thread::ScriptThread::handle_msgs
  │   30: script::script_thread::ScriptThread::start
  │   31: <script::script_thread::ScriptThread as script_traits::ScriptThreadFactory>::create::{{closure}}::{{closure}}
  │   32: profile_traits::mem::ProfilerChan::run_with_memory_reporting
  │   33: <script::script_thread::ScriptThread as script_traits::ScriptThreadFactory>::create::{{closure}}
  │   34: std::sys_common::backtrace::__rust_begin_short_backtrace
  │   35: std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}
  │   36: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
  │   37: std::panicking::try::do_call
  │   38: __rust_maybe_catch_panic
  │   39: std::panicking::try
  │   40: std::panic::catch_unwind
  │   41: std::thread::Builder::spawn_unchecked::{{closure}}
  │   42: core::ops::function::FnOnce::call_once{{vtable.shim}}
  │   43: <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once
  │   44: std::sys::unix::thread::Thread::new::thread_start
  │   45: start_thread
  │   46: clone
  │ [2020-03-06T16:05:43Z ERROR servo] internal error: entered unreachable code
  └ Pipeline failed in hard-fail mode.  Crashing!