#![cfg_attr(stage0, feature(custom_attribute))]
#![crate_name = "libc"]
#![crate_type = "rlib"]
-#![cfg_attr(not(feature = "cargo-build"), unstable(feature = "libc"))]
+#![cfg_attr(not(feature = "cargo-build"), unstable(feature = "libc",
+ reason = "use `libc` from crates.io"))]
#![cfg_attr(not(feature = "cargo-build"), feature(staged_api, core, no_std))]
#![cfg_attr(not(feature = "cargo-build"), staged_api)]
#![cfg_attr(not(feature = "cargo-build"), no_std)]
html_playground_url = "http://play.rust-lang.org/")]
#![no_std]
#![staged_api]
-#![unstable(feature = "rand")]
+#![unstable(feature = "rand",
+ reason = "use `rand` from crates.io")]
#![feature(core)]
#![feature(no_std)]
#![feature(staged_api)]