'rustc' failed at 'vint too big'

[evansuva]

My silly demo code produces this internal compiler error:

bash-3.2$ rustc -v
rustc 0.10-pre (b48bc9e 2014-02-24 14:37:01 -0800)
host: x86_64-apple-darwin
bash-3.2$ rustc bug.rs
error: internal compiler error: unexpected failure
This message reflects a bug in the Rust compiler.
We would appreciate a bug report: http://static.rust-lang.org/doc/master/complement-bugreport.html
note: the compiler hit an unexpected failure path. this is a bug
Ok(task 'rustc' failed at 'vint too big', /Users/dave/rust/src/libserialize/ebml.rs:130
)

Code is:

extern crate extra;
use extra::arc::MutexArc;

fn main() {
    let counter: MutexArc<int> = MutexArc::new(0);
}

[alexcrichton]

Closing, I believe this is sadly another dupe of #10207. The extra library containing arc was removed a long time ago, so it sounds like you've got some out of date/stale libraries lying around by accident.