Fix up some tests for feature staging

Author: brson

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

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

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

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

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

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

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

@@ -14,6 +14,7 @@
 #![allow(non_upper_case_globals)]
 #![allow(missing_copy_implementations)]
 #![deny(dead_code)]
+#![feature(unnamed_feature)]
 
 #![crate_type="lib"]
 

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

@@ -11,6 +11,7 @@
 #![allow(unused_variables)]
 #![allow(non_camel_case_types)]
 #![deny(dead_code)]
+#![feature(unnamed_feature)]
 
 #![crate_type="lib"]
 

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

@@ -11,6 +11,7 @@
 #![allow(unused_variables)]
 #![allow(non_camel_case_types)]
 #![deny(dead_code)]
+#![feature(unnamed_feature)]
 
 extern crate libc;
 

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

@@ -11,6 +11,7 @@
 #![deny(exceeding_bitshifts)]
 #![allow(unused_variables)]
 #![allow(dead_code)]
+#![feature(unnamed_feature)]
 
 fn main() {
       let n = 1u8 << 7;

src/test/compile-fail/lint-forbid-attr.rs

@@ -8,8 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![forbid(unstable)]
+#![forbid(deprecated)]
 
-#[allow(unstable)] //~ ERROR allow(unstable) overruled by outer forbid(unstable)
+#[allow(deprecated)] //~ ERROR allow(deprecated) overruled by outer forbid(deprecated)
 fn main() {
 }

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

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

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

@@ -12,6 +12,7 @@
 
 #![allow(dead_code)]
 #![deny(non_snake_case)]
+#![feature(unnamed_feature)]
 
 use std::io::File;
 use std::io::IoError;

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

@@ -11,6 +11,7 @@
 #![deny(unused_variables)]
 #![deny(unused_assignments)]
 #![allow(dead_code, non_camel_case_types)]
+#![feature(unnamed_feature)]
 
 fn f1(x: isize) {
     //~^ ERROR unused variable: `x`

src/test/compile-fail/simd-experimental.rs

@@ -9,6 +9,7 @@
 // except according to those terms.
 
 #![deny(unstable)]
+#![feature(unnamed_feature)]
 
 use std::simd;
 

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

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