thread 'StyleThread#3' panicked at 'assertion failed: self.get_data().is_some()', /home/worker/workspace/build/src/servo/components/style/gecko/wrapper.rs:1040
stack backtrace:
[27247] WARNING: file /home/worker/workspace/build/src/ipc/chromium/src/base/histogram.cc, line 358
   0:     0x7fa1ac1cd783 - std::sys::imp::backtrace::tracing::imp::unwind_backtrace::hcab99e0793da62c7
   1:     0x7fa1ac1c8aa6 - std::sys_common::backtrace::_print::hbfe5b0c7e79c0711
   2:     0x7fa1ac1dae1a - std::panicking::default_hook::{{closure}}::h9ba2c6973907a2be
   3:     0x7fa1ac1daa1b - std::panicking::default_hook::he4d55e2dd21c3cca
   4:     0x7fa1ac1db22b - std::panicking::rust_panic_with_hook::ha138c05cd33ad44d
   5:     0x7fa1abfba7ea - std::panicking::begin_panic::h3893082380049d75
   6:     0x7fa1abe75fe4 - <style::gecko::wrapper::GeckoElement<'le> as style::dom::TElement>::set_dirty_descendants::h7e0109538e4478b9
   7:     0x7fa1ac38d3da - <style::invalidation::element::invalidator::TreeStyleInvalidator<'a, 'b, E>>::invalidate_child::h3f189b4aebe47c62
   8:     0x7fa1ac38dec9 - <style::invalidation::element::invalidator::TreeStyleInvalidator<'a, 'b, E>>::invalidate_dom_descendants_of::h28329f57642c446c
   9:     0x7fa1ac38ddae - <style::invalidation::element::invalidator::TreeStyleInvalidator<'a, 'b, E>>::invalidate_descendants::ha9f8400395e35b97
  10:     0x7fa1ac38d171 - <style::invalidation::element::invalidator::TreeStyleInvalidator<'a, 'b, E>>::invalidate::h55792fb45d7f0193
  11:     0x7fa1ac2cc7fd - style::data::ElementData::invalidate_style_if_needed::h6c92f7a55a3c66c7
  12:     0x7fa1abc3ac26 - style::traversal::note_children::hbf53f5fd19334f04
  13:     0x7fa1ac3453da - style::traversal::recalc_style_at::h2554583039965b7b
  14:     0x7fa1ac31ccfa - <style::gecko::traversal::RecalcStyleOnly<'recalc> as style::traversal::DomTraversal<style::gecko::wrapper::GeckoElement<'le>>>::process_preorder::h5bc6bf3e8a809483
  15:     0x7fa1abc3982c - style::parallel::traverse_nodes::h149467d755f7edde
  16:     0x7fa1abc393c9 - style::parallel::traverse_dom::{{closure}}::{{closure}}::hc41734613847a4b8
  17:     0x7fa1abbee506 - rayon_core::scope::Scope::execute_job_closure::{{closure}}::hb2d2182893d5e162
  18:     0x7fa1abc67852 - <std::panic::AssertUnwindSafe<F> as core::ops::FnOnce<()>>::call_once::h43762f21b8583545
  19:     0x7fa1abc0c962 - std::panicking::try::do_call::h09b210c138cd5782
  20:     0x7fa1ac1dfb0b - <unknown>
Redirecting call to abort() to mozalloc_abort
