assertion crash when compile install

[chenyukang]

I got crash error when compile rust from latest code, the backtrace is:

error: internal compiler error: unexpected panic
note: the compiler unexpectedly panicked. this is a bug.
note: we would appreciate a bug report: http://doc.rust-lang.org/complement-bugreport.html
note: run with `RUST_BACKTRACE=1` for a backtrace
task 'rustc' panicked at 'assertion failed: end <= self.len()', /Users/yukang/code/rust/src/libcore/slice.rs:432

stack backtrace:
   1:        0x10750c64f - rt::backtrace::imp::write::he6ae76d5c086b537mvy
   2:        0x10750ea58 - failure::on_fail::ha8c26b1aae769234SSy
   3:        0x107750515 - unwind::begin_unwind_inner::h4cb4bf3aa4dbc81fwJc
   4:        0x107750226 - unwind::begin_unwind_fmt::hddb950f2b0b62f22HGc
   5:        0x107750002 - rust_begin_unwind
   6:        0x10779e79c - panicking::panic_fmt::ha4796e0cee579356C4l
   7:        0x107799222 - panicking::panic::h34ba2bf0644dc9ddE1l
   8:        0x104f03cf8 - metadata::loader::Context<'a>::extract_one::h3a7bf3263487f55cexB
   9:        0x104efdb95 - metadata::loader::Context<'a>::find_library_crate::h6f3e9c05b81e3c01qmB
  10:        0x104ef47d0 - metadata::creader::resolve_crate::h09f6bc6a70647d07P2z
  11:        0x104eef4f2 - metadata::creader::Env<'a>.visit..Visitor<'v>::visit_view_item::hcff95e1efff9afb6Ctz
  12:        0x104eeebff - metadata::creader::read_crates::h5ef98a287c815642wsz
  13:        0x10432db1f - util::common::time::h12363387714013853731
  14:        0x1042f2ea0 - driver::phase_3_run_analysis_passes::h901ed30c20dee8d2Ota
  15:        0x1042e5cd7 - driver::compile_input::h988899b864c44467pba
  16:        0x104379cba - run::closure.21707
  17:        0x10438606e - task::TaskBuilder::try_future::closure.23161
  18:        0x1074ed84d - task::TaskBuilder::spawn_internal::closure.31465
  19:        0x10774e7a2 - task::Task::spawn::closure.5663
  20:        0x1077b645c - rust_try_inner
  21:        0x1077b6446 - rust_try
  22:        0x10774e6bf - task::Task::run::h534effda633f7973GMb
  23:        0x10774e42d - task::Task::spawn::closure.5639
  24:        0x10774f7ee - thread::thread_start::h76921074dd87a458J4b
  25:     0x7fff8d10b899 - _pthread_body
  26:     0x7fff8d10b72a - _pthread_struct_init

make: *** [x86_64-apple-darwin/stage1/lib/rustlib/x86_64-apple-darwin/lib/stamp.rustc_typeck] Error 101

my OS is:

Darwin kang-mini.local 13.3.0 Darwin Kernel Version 13.3.0: Tue Jun  3 21:27:35 PDT 2014; root:xnu-2422.110.17~1/RELEASE_X86_64 x86_64

[alexcrichton]

If you run make clean it should fix this, but thanks for the report!