build failed on osx, error: use of undeclared triat name AsRef

[iketheadore]

$ rustc --version
rustc 1.0.0-dev (92dd995e1 2015-03-16) (built 2015-03-18)
$ cargo build
Compiling gcc v0.3.3
/Users/heaven/.cargo/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.3/src/lib.rs:113:23: 113:34 error: use of undeclared trait name AsRef
/Users/heaven/.cargo/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.3/src/lib.rs:113 pub fn include<P: AsRef>(&mut self, dir: P) -> &mut Config {
^~~~~~~~~~~
/Users/heaven/.cargo/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.3/src/lib.rs:125:22: 125:33 error: use of undeclared trait name AsRef
/Users/heaven/.cargo/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.3/src/lib.rs:125 pub fn object<P: AsRef>(&mut self, obj: P) -> &mut Config {
^~~~~~~~~~~
/Users/heaven/.cargo/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.3/src/lib.rs:137:20: 137:31 error: use of undeclared trait name AsRef
/Users/heaven/.cargo/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.3/src/lib.rs:137 pub fn file<P: AsRef>(&mut self, p: P) -> &mut Config {
^~~~~~~~~~~
error: aborting due to 3 previous errors
Could not compile gcc.

[alexcrichton]

Currently most Rust libraries require a nightly build of rust to work, so if you update to nightly this should work itself out!