Merge pull request #3146 from flip1995/fix-3145

Fix 3145

Author: flip1995

clippy_lints/src/write.rs

@@ -284,7 +284,6 @@ fn check_tts<'a>(cx: &EarlyContext<'a>, tts: &ThinTokenStream, is_write: bool) -
     let mut idx = 0;
     loop {
         if !parser.eat(&token::Comma) {
-            assert!(parser.eat(&token::Eof));
             return (Some(fmtstr), expr);
         }
         let token_expr = match parser.parse_expr().map_err(|mut err| err.cancel()) {

tests/ui/issue-3145.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("{}" a); //~ERROR expected token: `,`
+}

tests/ui/issue-3145.stderr

@@ -0,0 +1,8 @@
+error: expected token: `,`
+ --> $DIR/issue-3145.rs:2:19
+  |
+2 |     println!("{}" a); //~ERROR expected token: `,`
+  |                   ^
+
+error: aborting due to previous error
+