--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+fn main() {
+ println!("Test", 123, 456, 789);
+
+ println!("Test2",
+ 123,
+ 456,
+ 789
+ );
+
+ println!("Some stuff", UNUSED="args");
+
+ println!("Some more $STUFF",
+ "woo!",
+ STUFF=
+ "things"
+ , UNUSED="args");
+}
--- /dev/null
+error: multiple unused formatting arguments
+ --> $DIR/format-unused-lables.rs:12:5
+ |
+12 | println!("Test", 123, 456, 789);
+ | ^^^^^^^^^^^^^^^^^---^^---^^---^^
+ | | | |
+ | | | unused
+ | | unused
+ | unused
+ |
+ = note: this error originates in a macro outside of the current crate
+
+error: multiple unused formatting arguments
+ --> $DIR/format-unused-lables.rs:14:5
+ |
+14 | / println!("Test2",
+15 | | 123,
+ | | --- unused
+16 | | 456,
+ | | --- unused
+17 | | 789
+ | | --- unused
+18 | | );
+ | |______^
+ |
+ = note: this error originates in a macro outside of the current crate
+
+error: named argument never used
+ --> $DIR/format-unused-lables.rs:20:35
+ |
+20 | println!("Some stuff", UNUSED="args");
+ | ^^^^^^
+
+error: multiple unused formatting arguments
+ --> $DIR/format-unused-lables.rs:22:5
+ |
+22 | / println!("Some more $STUFF",
+23 | | "woo!",
+ | | ------ unused
+24 | | STUFF=
+25 | | "things"
+ | | -------- unused
+26 | | , UNUSED="args");
+ | |_______________________------_^
+ | |
+ | unused
+ |
+ = help: `$STUFF` should be written as `{STUFF}`
+ = note: shell formatting not supported; see the documentation for `std::fmt`
+ = note: this error originates in a macro outside of the current crate
+
+error: aborting due to 4 previous errors
+