1 files changed, 19 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/wrong_self_conventions_mut.stderr b/src/tools/clippy/tests/ui/wrong_self_conventions_mut.stderr
new file mode 100644
index 000000000..8665d8dc9
--- /dev/null
+++ b/src/tools/clippy/tests/ui/wrong_self_conventions_mut.stderr
@@ -0,0 +1,19 @@
+error: methods with the following characteristics: (`to_*` and `self` type is not `Copy`) usually take `self` by reference
+  --> $DIR/wrong_self_conventions_mut.rs:14:24
+   |
+LL |         pub fn to_many(&mut self) -> Option<&mut [T]> {
+   |                        ^^^^^^^^^
+   |
+   = note: `-D clippy::wrong-self-convention` implied by `-D warnings`
+   = help: consider choosing a less ambiguous name
+
+error: methods with the following characteristics: (`to_*` and `*_mut`) usually take `self` by mutable reference
+  --> $DIR/wrong_self_conventions_mut.rs:22:28
+   |
+LL |         pub fn to_many_mut(&self) -> Option<&[T]> {
+   |                            ^^^^^
+   |
+   = help: consider choosing a less ambiguous name
+
+error: aborting due to 2 previous errors
+