1 files changed, 23 insertions, 0 deletions
diff --git a/src/doc/book/listings/ch15-smart-pointers/output-only-01-comparing-to-reference/output.txt b/src/doc/book/listings/ch15-smart-pointers/output-only-01-comparing-to-reference/output.txt
new file mode 100644
index 000000000..a03cc34e2
--- /dev/null
+++ b/src/doc/book/listings/ch15-smart-pointers/output-only-01-comparing-to-reference/output.txt
@@ -0,0 +1,23 @@
+$ cargo run
+   Compiling deref-example v0.1.0 (file:///projects/deref-example)
+error[E0277]: can't compare `{integer}` with `&{integer}`
+ --> src/main.rs:6:5
+  |
+6 |     assert_eq!(5, y);
+  |     ^^^^^^^^^^^^^^^^ no implementation for `{integer} == &{integer}`
+  |
+  = help: the trait `PartialEq<&{integer}>` is not implemented for `{integer}`
+  = help: the following other types implement trait `PartialEq<Rhs>`:
+            f32
+            f64
+            i128
+            i16
+            i32
+            i64
+            i8
+            isize
+          and 6 others
+  = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
+
+For more information about this error, try `rustc --explain E0277`.
+error: could not compile `deref-example` due to previous error