Rust: Update test sources to be valid Rust code.

tests/ctags/test_input.rs

 #! fn ignored_in_comment() {}
-#[feature(globs)];
-#[feature(macro_rules)];
+#![feature(globs)]
+#![feature(macro_rules)]
 use std::*;
 use std::io::stdio::println;
 use test_input2::*;
@@ -55,18 +55,18 @@ macro_rules! test_macro
 
 macro_rules! ignore (($($x:tt)*) => (()))
 
-fn yada(a:int,c:Foo,b:test_input2::fruit::SomeStruct) -> ~str {
-	a.to_str()
+fn yada(a:int,c:Foo,b:test_input2::fruit::SomeStruct) -> String {
+	a.to_string()
 }
 
 fn main() {	
 	use test_input2::fruit::*;	
-	io::println(foo_bar_test_func(SomeStruct{red_value:1,green_value:2,blue_value:3},(4,5)).to_str());
+	io::println(foo_bar_test_func(SomeStruct{red_value:1,green_value:2,blue_value:3},(4,5)).to_string().as_slice());
 	let a=Foo{foo_field_1:2};
 	a.my_method(1);
 	let c=a_cat(3);
 	let d=Foo{foo_field_1:a.foo_field_1+2}; a.test();
-	println(a.foo_field_1.to_str());
+	println(a.foo_field_1.to_string().as_slice());
 	ignore!
 	(
 		fn ignored_inside_macro() {}
@@ -122,21 +122,21 @@ trait DoZ {
 
 impl Testable for Foo {
 	fn test(&self) {
-		println(self.foo_field_1.to_str());
+		println(self.foo_field_1.to_string().as_slice());
 	}
 
 	fn test1(&self) {
-		println(self.foo_field_1.to_str());
+		println(self.foo_field_1.to_string().as_slice());
 	}
 
 	fn test2(&self) {
-		println(self.foo_field_1.to_str());
+		println(self.foo_field_1.to_string().as_slice());
 	}
 }
 
 impl DoZ for Foo {
 	fn do_z(&self) {
-		println(self.foo_field_1.to_str());
+		println(self.foo_field_1.to_string().as_slice());
 	}
 }
 

tests/ctags/test_input.rs.tags

@@ -49,4 +49,4 @@ test_macro
 x8Foo20
 x8TraitedStructTest0
 y8Foo20
-yada16(a:int,c:Foo,b:test_input2::fruit::SomeStruct) -> ~str0
+yada16(a:int,c:Foo,b:test_input2::fruit::SomeStruct) -> String0

tests/ctags/test_input2.rs

 #![cfg(not(test))] fn not_hashbang() {}
-use std::io::stdio::println;
 
 pub fn foo_bar_test_func(apples:fruit::SomeStruct,(oranges,lemon):(int,int))->int{
+	use std::io::stdio::println;
 	let some_var_name=2*oranges;
 	let a=SomeLongStructName{v:0};
 	println("a");println("b");	println("c");