│ Stack trace for thread "ScriptThread PipelineId { namespace_id: PipelineNamespaceId(0), index: PipelineIndex(1) }"
  │ stack backtrace:
  │    0:     0x7f0a935815cc - backtrace::backtrace::trace::haa53f4880ff627c6
  │    1:     0x7f0a93581a92 - backtrace::capture::Backtrace::new::h5f3de869c0349b3d
  │    2:     0x7f0a921545cd - servo::install_crash_handler::handler::h47b241f6e5ce7481
  │    3:     0x7f0a932fddf3 - AsmJSFaultHandler
  │                         at /home/servo/.cargo/git/checkouts/mozjs-fa11ffc7d4f1cc2d/834ce35/mozjs/js/src/asmjs/WasmSignalHandlers.cpp:1171
  │    4:     0x7f0a9007832f - <unknown>
  │    5:     0x7f0a931f8bdd - _Z14mozalloc_abortPKc
  │                         at /home/servo/.cargo/git/checkouts/mozjs-fa11ffc7d4f1cc2d/834ce35/mozjs/memory/mozalloc/mozalloc_abort.cpp:33
  │    6:     0x7f0a931f8bbf - abort
  │                         at /home/servo/.cargo/git/checkouts/mozjs-fa11ffc7d4f1cc2d/834ce35/mozjs/memory/mozalloc/mozalloc_abort.cpp:80
  │    7:     0x7f0a94177d88 - std::sys::imp::abort_internal
  │                         at /checkout/src/libstd/sys/unix/mod.rs:175
  │                          - std::process::abort
  │                         at /checkout/src/libstd/process.rs:1097
  │    8:     0x7f0a92154724 - servo::install_crash_handler::handler::h47b241f6e5ce7481
  │    9:     0x7f0a932fddf3 - AsmJSFaultHandler
  │                         at /home/servo/.cargo/git/checkouts/mozjs-fa11ffc7d4f1cc2d/834ce35/mozjs/js/src/asmjs/WasmSignalHandlers.cpp:1171
  │   10:     0x7f0a9007832f - <unknown>
  │   11:     0x7f0a931f8bdd - _Z14mozalloc_abortPKc
  │                         at /home/servo/.cargo/git/checkouts/mozjs-fa11ffc7d4f1cc2d/834ce35/mozjs/memory/mozalloc/mozalloc_abort.cpp:33
  │   12:     0x7f0a931f8bbf - abort
  │                         at /home/servo/.cargo/git/checkouts/mozjs-fa11ffc7d4f1cc2d/834ce35/mozjs/memory/mozalloc/mozalloc_abort.cpp:80
  │   13:     0x7f0a94177d88 - std::sys::imp::abort_internal
  │                         at /checkout/src/libstd/sys/unix/mod.rs:175
  │                          - std::process::abort
  │                         at /checkout/src/libstd/process.rs:1097
  │   14:     0x7f0a92154724 - servo::install_crash_handler::handler::h47b241f6e5ce7481
  │   15:     0x7f0a932fddf3 - AsmJSFaultHandler
  │                         at /home/servo/.cargo/git/checkouts/mozjs-fa11ffc7d4f1cc2d/834ce35/mozjs/js/src/asmjs/WasmSignalHandlers.cpp:1171
  │   16:     0x7f0a9007832f - <unknown>
  │   17:     0x7f0a931f8bdd - _Z14mozalloc_abortPKc
  │                         at /home/servo/.cargo/git/checkouts/mozjs-fa11ffc7d4f1cc2d/834ce35/mozjs/memory/mozalloc/mozalloc_abort.cpp:33
  │   18:     0x7f0a931f8bbf - abort
  │                         at /home/servo/.cargo/git/checkouts/mozjs-fa11ffc7d4f1cc2d/834ce35/mozjs/memory/mozalloc/mozalloc_abort.cpp:80
  │   19:     0x7f0a94177d88 - std::sys::imp::abort_internal
  │                         at /checkout/src/libstd/sys/unix/mod.rs:175
  │                          - std::process::abort
  │                         at /checkout/src/libstd/process.rs:1097
  │   20:     0x7f0a92154724 - servo::install_crash_handler::handler::h47b241f6e5ce7481
  │   21:     0x7f0a932fddf3 - AsmJSFaultHandler
  │                         at /home/servo/.cargo/git/checkouts/mozjs-fa11ffc7d4f1cc2d/834ce35/mozjs/js/src/asmjs/WasmSignalHandlers.cpp:1171
  │   22:     0x7f0a9007832f - <unknown>
  │   23:     0x7f0a931f8bdd - _Z14mozalloc_abortPKc
  │                         at /home/servo/.cargo/git/checkouts/mozjs-fa11ffc7d4f1cc2d/834ce35/mozjs/memory/mozalloc/mozalloc_abort.cpp:33
  │   24:     0x7f0a931f8bbf - abort
  │                         at /home/servo/.cargo/git/checkouts/mozjs-fa11ffc7d4f1cc2d/834ce35/mozjs/memory/mozalloc/mozalloc_abort.cpp:80
  │   25:     0x7f0a94177d88 - std::sys::imp::abort_internal
  │                         at /checkout/src/libstd/sys/unix/mod.rs:175
  │                          - std::process::abort
  │                         at /checkout/src/libstd/process.rs:1097
  │   26:     0x7f0a92154724 - servo::install_crash_handler::handler::h47b241f6e5ce7481
...