cfg: build triple x86_64-unknown-freebsd
cfg: host triples x86_64-unknown-freebsd
cfg: target triples x86_64-unknown-freebsd
cfg: enabling more debugging (CFG_ENABLE_DEBUG)
cfg: host for x86_64-unknown-freebsd is x86_64
cfg: os for x86_64-unknown-freebsd is unknown-freebsd
cfg: using CC=ccache clang (CFG_CC)
cfg: using CXX=clang++ (CFG_CXX)
cfg: disabling valgrind due to its unreliability on this platform
cfg: no lualatex found, deferring to xelatex
cfg: no xelatex found, deferring to pdflatex
cfg: no pdflatex found, disabling LaTeX docs
cfg: no pandoc found, omitting PDF and EPUB docs
cfg: no llnextgen found, omitting grammar-verification
rustc: x86_64-unknown-freebsd/stage0/lib/rustlib/x86_64-unknown-freebsd/lib/librustc
task 'rustc' failed at 'assertion failed: self.raw.hash != self.hashes_end', /usr/home/rustbuild/src/rust-buildbot/slave/snap3-bsd/build/src/libstd/collections/hashmap/table.rs:743
stack backtrace:
   1:          0x1b9ea00 - rt::backtrace::imp::write::ha5f69c9fae9548fd1Iq
   2:          0x1ba1a80 - failure::on_fail::hc7ab01eee1e04860t4q
   3:          0x1bc03c0 - unwind::begin_unwind_inner::h06474350b1d0d0e0RSd
   4:          0x1921ac0 - unwind::begin_unwind::h8803629750811694740
   5:          0x1926f20 - std..collections..hashmap..table..RawTable<ast..Name,codemap..Span>::glue_drop.44244::h99c601ec3eabf587
   6:          0x1928030 - local_data::TLDValue::new::d::h14987804644157393031
   7:          0x1bbd920 - core..option..Option<Box<collections..treemap..TreeNode<uint,local_data..TLDValue>>>::glue_drop.6521::h160d2d3587194201
   8:          0x1bbd920 - core..option..Option<Box<collections..treemap..TreeNode<uint,local_data..TLDValue>>>::glue_drop.6521::h160d2d3587194201
   9:          0x1bbe6a0 - task::Task::cleanup::closure.6628
  10:          0x1bc0f70 - rust_try_inner
  11:          0x1bc0f60 - rust_try
  12:          0x1bbe2d0 - unwind::try::h6c3c06fb2bf83c5azHd
  13:          0x1bbe140 - task::Task::run::hf4b7ebbf0af10e51RXc
  14:          0x1bbe3e0 - task::Task::cleanup::hbd385068572a3c547Zc
  15:          0x1bbe640 - task::Task::destroy::h9fca9728edc516d8HZc
  16:           0x460660 - task::spawn_opts::closure.8450
  17:          0x1bbf590 - thread::thread_start::h06464c46ccf096cb3hd
  18:        0x8025a3370 - <unknown>
  19:                0x0 - <unknown>
error: internal compiler error: unexpected failure