▶ TIMEOUT [expected CRASH] /FileAPI/blob/Blob-XHR-revoke.html
  │ 
  │ VMware, Inc.
  │ Gallium 0.4 on softpipe
  │ 3.3 (Core Profile) Mesa 12.0.1
  │ Unimplemented scheme for Fetch (thread fetch thread for blob:http://web-platform.test:8000/e1ed9529ba39493ca258fd94f76dd53c, at /Users/servo/buildbot/slave/mac-rel-wpt1/build/components/net/fetch/methods.rs:454)
  │ stack backtrace:
  │    0:        0x10adbe32e - backtrace::backtrace::trace::h0e60ef08c7c34e9f
  │    1:        0x10adbe61c - backtrace::capture::Backtrace::new::h8bf319c36d8f5d1b
  │    2:        0x10aaca9e4 - servo::main::_{{closure}}::h8b62e16079c4851a
  │    3:        0x10c3f56c3 - std::panicking::rust_panic_with_hook::hb1322e5f2588b4db
  │    4:        0x10c0dbda4 - std::panicking::begin_panic::h0914615a412ba184
  │    5:        0x10c1c4b6e - net::fetch::methods::basic_fetch::h64046678e41b4027
  │    6:        0x10c1c2043 - net::fetch::methods::main_fetch::h505cbe6ed186e0b1
  │    7:        0x10c1c139d - net::fetch::methods::fetch_with_cors_cache::hbcb06dac22c7d6f7
  │    8:        0x10c0dedfb - std::panicking::try::do_call::h3f111ff4e3a732ac
  │    9:        0x10c3f69ca - __rust_maybe_catch_panic
  │   10:        0x10c11e776 - _<F as alloc..boxed..FnBox<A>>::call_box::h777cca0df83e2d20
  │   11:        0x10c3f45e4 - std::sys::thread::Thread::new::thread_start::h022e3887023c6290
  │   12:     0x7fff93411059 - _pthread_body
  │   13:     0x7fff93410fd6 - _pthread_start
  │ ERROR:servo: Unimplemented scheme for Fetch
  │ Pipeline failed in hard-fail mode.  Crashing!
  │ servo(62773,0x119f56000) malloc: *** error for object 0x7fb25f8d9bc0: pointer being freed was not allocated
  │ *** set a breakpoint in malloc_error_break to debug
  │ thread panicked while processing panic. aborting.
  └ thread panicked while processing panic. aborting.