▶ CRASH [expected OK] /html/semantics/embedded-content/media-elements/offsets-into-the-media-resource/currentTime.html
  │ 
  │ ALSA lib confmisc.c:855:(parse_card) cannot find card '0'
  │ ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory
  │ ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings
  │ ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
  │ ALSA lib confmisc.c:1334:(snd_func_refer) error evaluating name
  │ ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  │ ALSA lib conf.c:5701:(snd_config_expand) Evaluate error: No such file or directory
  │ ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM default
  │ AL lib: (EE) ALCplaybackAlsa_open: Could not open playback device 'default': No such file or directory
  │ Cannot connect to server socket err = No such file or directory
  │ Cannot connect to server request channel
  │ jack server is not running or cannot be started
  │ JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
  │ JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
  │ ALSA lib confmisc.c:855:(parse_card) cannot find card '0'
  │ ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory
  │ ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings
  │ ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
  │ ALSA lib confmisc.c:1334:(snd_func_refer) error evaluating name
  │ ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  │ ALSA lib conf.c:5701:(snd_config_expand) Evaluate error: No such file or directory
  │ ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM default
  │ AL lib: (EE) ALCplaybackAlsa_open: Could not open playback device 'default': No such file or directory
  │ called `Option::unwrap()` on a `None` value (thread Script(1,1), at /root/.cargo/git/checkouts/media-9074def3f0bdf023/eb96030/backends/gstreamer/player.rs:810)
  │    0: servoshell::backtrace::print
  │    1: servoshell::panic_hook::panic_hook
  │    2: std::panicking::rust_panic_with_hook
  │    3: std::panicking::begin_panic_handler::{{closure}}
  │    4: std::sys::backtrace::__rust_end_short_backtrace
  │    5: rust_begin_unwind
  │    6: core::panicking::panic_fmt
  │    7: core::panicking::panic
  │    8: core::option::unwrap_failed
  │    9: <servo_media_gstreamer::player::GStreamerPlayer as servo_media_player::Player>::seekable
  │   10: <script::dom::htmlmediaelement::HTMLMediaElement as script_bindings::codegen::GenericBindings::HTMLMediaElementBinding::HTMLMediaElement_Binding::HTMLMediaElementMethods<script::dom::bindings::codegen::DomTypeHolder::DomTypeHolder>>::Seekable
  │   11: script::dom::htmlmediaelement::HTMLMediaElement::seek
  │   12: script_bindings::codegen::GenericBindings::HTMLMediaElementBinding::HTMLMediaElement_Binding::set_currentTime::{{closure}}
  │   13: mozjs::panic::wrap_panic
  │   14: script_bindings::codegen::GenericBindings::HTMLMediaElementBinding::HTMLMediaElement_Binding::set_currentTime
  │   15: CallJitSetterOp
  │   16: script_bindings::utils::call_setter
  │   17: script_bindings::utils::generic_call
  │   18: script_bindings::utils::generic_setter
  │   19: _ZN2js23InternalCallOrConstructEP9JSContextRKN2JS8CallArgsENS_14MaybeConstructENS_10CallReasonE
  │   20: _ZN2js10CallSetterEP9JSContextN2JS6HandleINS2_5ValueEEES5_S5_
  │   21: _ZL19SetExistingPropertyP9JSContextN2JS6HandleINS1_11PropertyKeyEEENS2_INS1_5ValueEEES6_NS2_IPN2js12NativeObjectEEERKNS7_14PropertyResultERNS1_14ObjectOpResultE
  │   22: _ZN2js17NativeSetPropertyILNS_13QualifiedBoolE1EEEbP9JSContextN2JS6HandleIPNS_12NativeObjectEEENS5_INS4_11PropertyKeyEEENS5_INS4_5ValueEEESC_RNS4_14ObjectOpResultE
  │   23: _ZN2js9InterpretEP9JSContextRNS_8RunStateE
  │   24: _ZN2js9RunScriptEP9JSContextRNS_8RunStateE
  │   25: _ZN2js23InternalCallOrConstructEP9JSContextRKN2JS8CallArgsENS_14MaybeConstructENS_10CallReasonE
  │   26: _ZN2js4CallEP9JSContextN2JS6HandleINS2_5ValueEEES5_RKNS_13AnyInvokeArgsENS2_13MutableHandleIS4_EENS_10CallReasonE
  │   27: _ZN2js9fun_applyEP9JSContextjPN2JS5ValueE
  │   28: _ZN2js23InternalCallOrConstructEP9JSContextRKN2JS8CallArgsENS_14MaybeConstructENS_10CallReasonE
  │   29: _ZN2js9InterpretEP9JSContextRNS_8RunStateE
  │   30: _ZN2js9RunScriptEP9JSContextRNS_8RunStateE
  │   31: _ZN2js23InternalCallOrConstructEP9JSContextRKN2JS8CallArgsENS_14MaybeConstructENS_10CallReasonE
  │   32: _ZN2js4CallEP9JSContextN2JS6HandleINS2_5ValueEEES5_RKNS_13AnyInvokeArgsENS2_13MutableHandleIS4_EENS_10CallReasonE
  │   33: _ZN2js9fun_applyEP9JSContextjPN2JS5ValueE
  │   34: _ZN2js23InternalCallOrConstructEP9JSContextRKN2JS8CallArgsENS_14MaybeConstructENS_10CallReasonE
  │   35: _ZN2js9InterpretEP9JSContextRNS_8RunStateE
  │   36: _ZN2js9RunScriptEP9JSContextRNS_8RunStateE
  │   37: _ZN2js23InternalCallOrConstructEP9JSContextRKN2JS8CallArgsENS_14MaybeConstructENS_10CallReasonE
  │   38: _ZN2js4CallEP9JSContextN2JS6HandleINS2_5ValueEEES5_RKNS_13AnyInvokeArgsENS2_13MutableHandleIS4_EENS_10CallReasonE
  │   39: _ZN2JS4CallEP9JSContextNS_6HandleINS_5ValueEEES4_RKNS_16HandleValueArrayENS_13MutableHandleIS3_EE
  │   40: script_bindings::codegen::GenericBindings::EventHandlerBinding::EventHandlerNonNull<D>::Call_
  │   41: script::dom::eventtarget::CompiledEventListener::call_or_handle_event
  │   42: script::dom::event::inner_invoke
  │   43: script::dom::event::invoke
  │   44: script::dom::event::Event::dispatch
  │   45: script::dom::eventtarget::EventTarget::fire_event_with_params
  │   46: <script::dom::event::SimpleEventTask as script::task::TaskOnce>::run_once
  │   47: <T as script::task::TaskBox>::run_box
  │   48: script::script_thread::ScriptThread::handle_msg_from_script
  │   49: script::script_thread::ScriptThread::profile_event
  │   50: script::script_thread::ScriptThread::start
  │   51: profile_traits::mem::ProfilerChan::run_with_memory_reporting
  │   52: std::sys::backtrace::__rust_begin_short_backtrace
  │   53: core::ops::function::FnOnce::call_once{{vtable.shim}}
  │   54: std::sys::pal::unix::thread::Thread::new::thread_start
  │   55: <unknown>
  └   56: <unknown>