Internal compiler error when using 'extern create num;'

[theia-ajax]

rustc -v
rustc 0.11.0-pre-nightly (410d70b 2014-06-18 05:26:38 +0000)
host: x86_64-apple-darwin

OSX 10.9.1

Simple test program causes this.

extern crate num;

fn main() { }

Backtrace:

task 'rustc' failed at 'No triple in crate', /Users/rustbuild/src/rust-buildbot/slave/nightly-mac/build/src/libcore/option.rs:246

stack backtrace:
   1:        0x108dd1ef2 - rt::backtrace::imp::write::hc55e31c08ac0ba09UQp::v0.11.0.pre
   2:        0x108dd91aa - failure::on_fail::h5b7fdad158b43e7696p::v0.11.0.pre
   3:        0x10907bab9 - unwind::begin_unwind_inner::ha4937faad5fedd35mOd::v0.11.0.pre
   4:        0x10907b63d - unwind::begin_unwind_fmt::hef64ea800aaf9fe8PLd::v0.11.0.pre
   5:        0x10907b3d1 - rust_begin_unwind
   6:        0x1090c7b9e - failure::begin_unwind::h6a512884cda1889a23v::v0.11.0.pre
   7:        0x10662921f - metadata::decoder::get_crate_triple::h80a950ac7103fed95gr::v0.11.0.pre
   8:        0x106649a34 - metadata::loader::Context<'a>::extract_one::h63d45bc53c21d002SWt::v0.11.0.pre
   9:        0x106641347 - metadata::loader::Context<'a>::find_library_crate::h986082c250974754lpt::v0.11.0.pre
  10:        0x10663a54f - metadata::loader::Context<'a>::load_library_crate::hbbf6a537d802ab31abt::v0.11.0.pre
  11:        0x106635fa6 - metadata::creader::resolve_crate::h026878a574994fb6v5r::v0.11.0.pre
  12:        0x10662d9f5 - metadata::creader::Env<'a>.visit..Visitor<(*>::visit_view_item::h0d108674aad014659yr::v0.11.0.pre
  13:        0x10662cd3d - metadata::creader::read_crates::h1b26ac26b3fdb854gyr::v0.11.0.pre
  14:        0x10665b02f - driver::driver::phase_3_run_analysis_passes::h292b88868539c398Mtv::v0.11.0.pre
  15:        0x106654a8a - driver::driver::compile_input::hef95462cedbe78fd1hv::v0.11.0.pre
  16:        0x106717e34 - driver::run_compiler::hf4e04cd4d10c1704D1x::v0.11.0.pre
  17:        0x106715896 - driver::main_args::closure.98694
  18:        0x10672fa77 - driver::monitor::closure.99784
  19:        0x10672ac9b - task::TaskBuilder::try::closure.99547
  20:        0x1084dd50c - task::spawn_opts::closure.7291
  21:        0x109078668 - task::Task::run::closure.5262
  22:        0x1090e142c - rust_try
  23:        0x10907af9a - unwind::try::h6d2179526bb10631LCd::v0.11.0.pre
  24:        0x109078535 - task::Task::run::h2e01b00065b47719XSc::v0.11.0.pre
  25:        0x1084dd37b - task::spawn_opts::closure.7263
  26:        0x10907a5d9 - thread::thread_start::h1d0c37a86620077bmad::v0.11.0.pre
  27:     0x7fff81b49899 - _pthread_body
  28:     0x7fff81b4972a - _pthread_struct_init

[alexcrichton]

Closing as a dupe of #14965.