Remove libdebug and update tests.

src/doc/reference.md

@@ -1177,7 +1177,7 @@ This is a list of behaviour not considered *unsafe* in Rust terms, but that may
 be undesired.
 
 * Deadlocks
-* Reading data from private fields (`std::repr`, `format!("{:?}", x)`)
+* Reading data from private fields (`std::repr`)
 * Leaks due to reference count cycles, even in the global heap
 * Exiting without calling destructors
 * Sending signals

src/liballoc/lib.rs

@@ -77,7 +77,6 @@ extern crate libc;
 
 // Allow testing this library
 
-#[cfg(test)] extern crate debug;
 #[cfg(test)] extern crate native;
 #[cfg(test)] #[phase(plugin, link)] extern crate std;
 #[cfg(test)] #[phase(plugin, link)] extern crate log;

src/libcollections/lib.rs

@@ -33,7 +33,6 @@ extern crate alloc;
 
 #[cfg(test)] extern crate native;
 #[cfg(test)] extern crate test;
-#[cfg(test)] extern crate debug;
 
 #[cfg(test)] #[phase(plugin, link)] extern crate std;
 #[cfg(test)] #[phase(plugin, link)] extern crate log;