Compiler bug? "assertion failed: (left == right) && (right == left)…"

[passcod]

error: internal compiler error: unexpected failure
note: the compiler hit an unexpected failure path. 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' failed at 'assertion failed: `(left == right) && (right == left)` (left: `1`, right: `0`)', /home/rustbuild/src/rust-buildbot/slave/nightly-linux/build/src/librustc/middle/trans/callee.rs:528

Rustc version:

rustc 0.13.0-nightly (6ef8392b3 2014-10-20 22:17:49 +0000)
binary: rustc
commit-hash: 6ef8392b3fd5f81165f1b4637a94c7c226420070
commit-date: 2014-10-20 22:17:49 +0000
host: x86_64-unknown-linux-gnu
release: 0.13.0-nightly

Backtrace: http://sprunge.us/OLbI
Code: http://sprunge.us/afGO
Crates: cairo clutter

[bkoropoff]

Likely a duplicate of #18061