Add allow(unstable) to tests that need it

src/test/compile-fail/fail-no-dead-code-core.rs

@@ -10,6 +10,7 @@
 
 #![deny(dead_code)]
 #![allow(unreachable_code)]
+#![allow(unstable)]
 
 #[macro_use] extern crate core;
 

src/test/compile-fail/issue-17999.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 #![deny(unused_variables)]
+#![allow(unstable)]
 
 fn main() {
     for _ in range(1is, 101) {

src/test/compile-fail/lint-ctypes.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 #![deny(improper_ctypes)]
+#![allow(unstable)]
 
 extern crate libc;
 

src/test/compile-fail/lint-dead-code-1.rs

@@ -13,6 +13,7 @@
 #![allow(non_camel_case_types)]
 #![allow(non_upper_case_globals)]
 #![allow(missing_copy_implementations)]
+#![allow(unstable)]
 #![deny(dead_code)]
 
 #![crate_type="lib"]

src/test/compile-fail/lint-dead-code-3.rs

@@ -10,6 +10,7 @@
 
 #![allow(unused_variables)]
 #![allow(non_camel_case_types)]
+#![allow(unstable)]
 #![deny(dead_code)]
 
 #![crate_type="lib"]

src/test/compile-fail/lint-dead-code-4.rs

@@ -10,6 +10,7 @@
 
 #![allow(unused_variables)]
 #![allow(non_camel_case_types)]
+#![allow(unstable)]
 #![deny(dead_code)]
 
 extern crate libc;

src/test/compile-fail/lint-exceeding-bitshifts.rs

@@ -10,6 +10,7 @@
 
 #![deny(exceeding_bitshifts)]
 #![allow(unused_variables)]
+#![allow(unstable)]
 #![allow(dead_code)]
 
 fn main() {

src/test/compile-fail/lint-unused-extern-crate.rs

@@ -12,6 +12,7 @@
 
 #![deny(unused_extern_crates)]
 #![allow(unused_variables)]
+#![allow(unstable)]
 
 extern crate libc; //~ ERROR: unused extern crate
 

src/test/compile-fail/lint-uppercase-variables.rs

@@ -11,6 +11,7 @@
 // ignore-tidy-linelength
 
 #![allow(dead_code)]
+#![allow(unstable)]
 #![deny(non_snake_case)]
 
 use std::io::File;

src/test/compile-fail/liveness-unused.rs

@@ -10,6 +10,7 @@
 
 #![deny(unused_variables)]
 #![deny(unused_assignments)]
+#![allow(unstable)]
 #![allow(dead_code, non_camel_case_types)]
 
 fn f1(x: isize) {

src/test/compile-fail/unused-attr.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 #![deny(unused_attributes)]
 #![allow(dead_code, unused_imports)]
+#![allow(unstable)]
 
 #![foo] //~ ERROR unused attribute