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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/liballoc/lib.rs

@@ -92,7 +92,6 @@
 #![feature(unsize)]
 #![feature(core_slice_ext)]
 #![feature(core_str_ext)]
-#![cfg_attr(stage0, feature(core, core_prelude))]
 
 #![cfg_attr(test, feature(test, alloc, rustc_private, box_raw))]
 #![cfg_attr(all(not(feature = "external_funcs"), not(feature = "external_crate")),
@@ -101,8 +100,6 @@
 #[cfg(all(not(feature = "external_funcs"), not(feature = "external_crate")))]
 extern crate libc;
 
-#[cfg(stage0)] #[macro_use] extern crate core;
-
 // Allow testing this library
 
 #[cfg(test)] #[macro_use] extern crate std;