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* Lots of core prelude imports removed
* Makefile support for MSVC env vars and Rust crates removed
* Makefile support for morestack removed

src/libstd/sys/unix/mod.rs

@@ -11,9 +11,6 @@
 #![allow(missing_docs)]
 #![allow(non_camel_case_types)]
 
-#[cfg(stage0)]
-use prelude::v1::*;
-
 use io::{self, ErrorKind};
 use libc;
 use num::One;