--- /dev/null
+error: used binding `_foo` which is prefixed with an underscore. A leading underscore signals that a binding will not be used
+ --> $DIR/used_underscore_binding.rs:26:5
+ |
+LL | _foo + 1
+ | ^^^^
+ |
+ = note: `-D clippy::used-underscore-binding` implied by `-D warnings`
+
+error: used binding `_foo` which is prefixed with an underscore. A leading underscore signals that a binding will not be used
+ --> $DIR/used_underscore_binding.rs:31:20
+ |
+LL | println!("{}", _foo);
+ | ^^^^
+
+error: used binding `_foo` which is prefixed with an underscore. A leading underscore signals that a binding will not be used
+ --> $DIR/used_underscore_binding.rs:32:16
+ |
+LL | assert_eq!(_foo, _foo);
+ | ^^^^
+
+error: used binding `_foo` which is prefixed with an underscore. A leading underscore signals that a binding will not be used
+ --> $DIR/used_underscore_binding.rs:32:22
+ |
+LL | assert_eq!(_foo, _foo);
+ | ^^^^
+
+error: used binding `_underscore_field` which is prefixed with an underscore. A leading underscore signals that a binding will not be used
+ --> $DIR/used_underscore_binding.rs:45:5
+ |
+LL | s._underscore_field += 1;
+ | ^^^^^^^^^^^^^^^^^^^
+
+error: used binding `_i` which is prefixed with an underscore. A leading underscore signals that a binding will not be used
+ --> $DIR/used_underscore_binding.rs:100:16
+ |
+LL | uses_i(_i);
+ | ^^
+
+error: aborting due to 6 previous errors
+