Minor updates for rust 1.17.

Author: ehuss

tests/error-tests/tests/test_unicode.rs

@@ -3,4 +3,5 @@
 fn main() {
     let foo = "❤";
     // ^WARN unused variable
+    // ^^NOTE(>=1.17.0) #[warn(unused_variables)]
 }

tests/multi-targets/src/altmain.rs

@@ -5,3 +5,4 @@ fn main() {
 fn warning_example() {
 }
 // ^WARN function is never used
+// ^^NOTE(>=1.17.0) #[warn(dead_code)]

tests/multi-targets/src/lib.rs

@@ -7,4 +7,4 @@ pub fn libf1() {
 fn unused() {
 }
 // ^WARN function is never used
-// ^^NOTE(clippy) #[warn(dead_code)]
+// ^^NOTE(>=1.17.0) #[warn(dead_code)]

tests/multi-targets/src/lmod1.rs

@@ -2,6 +2,7 @@ pub fn fmod1() {
     println!("fmod1");
     d();
     // ^WARN deprecated
+    // ^^NOTE(>=1.17.0) #[warn(deprecated)]
 }
 
 #[deprecated]

tests/multi-targets/tests/common/helpers.rs

@@ -4,8 +4,10 @@ pub fn helper() {
 
 }
 // ^WARN function is never used
+// ^^NOTE(>=1.17.0) #[warn(dead_code)]
 
 pub fn unused() {
 
 }
 // ^WARN function is never used
+// ^^NOTE(>=1.17.0) #[warn(dead_code)]

tests/test_syntax_check.py

@@ -10,6 +10,11 @@
 
 class TestSyntaxCheck(TestBase):
 
+    def setUp(self):
+        super(TestSyntaxCheck, self).setUp()
+        self.rustc_version = util.get_rustc_version(sublime.active_window(),
+                                                    plugin_path)
+
     def test_messages(self):
         """Test message generation.
 
@@ -31,9 +36,6 @@ def test_messages(self):
         formatting of messages.  Hopefully these examples are relatively
         stable for now.
         """
-        self.rustc_version = util.get_rustc_version(sublime.active_window(),
-                                                    plugin_path)
-
         to_test = [
             'multi-targets/src/lib.rs',
             'multi-targets/src/lmod1.rs',
@@ -76,7 +78,6 @@ def test_clippy_messages(self):
         """Test clippy messages."""
         to_test = [
             'tests/error-tests/examples/clippy_ex.rs',
-            'tests/multi-targets/src/lib.rs',
         ]
         for path in to_test:
             self._with_open_file(path, self._test_messages, methods=['clippy'])
@@ -131,9 +132,6 @@ def restriction_check(restrictions):
                         # blocks (see
                         # https://github.com/rust-lang/cargo/issues/3431)
                         return False
-                elif check == 'clippy':
-                    if method != 'clippy':
-                        return False
                 else:
                     if not semver.match(self.rustc_version, check):
                         return False