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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/lib.rs

@@ -249,7 +249,6 @@
 #![cfg_attr(test, feature(float_from_str_radix, range_inclusive, float_extras, hash_default))]
 #![cfg_attr(test, feature(test, rustc_private, float_consts))]
 #![cfg_attr(target_env = "msvc", feature(link_args))]
-#![cfg_attr(stage0, feature(core, core_prelude))]
 
 // Don't link to std. We are std.
 #![no_std]
@@ -257,8 +256,6 @@
 #![allow(trivial_casts)]
 #![deny(missing_docs)]
 
-#[cfg(stage0)] #[macro_use] extern crate core;
-
 #[cfg(test)] extern crate test;
 #[cfg(test)] #[macro_use] extern crate log;