1 files changed, 12 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-15094.stderr b/tests/ui/issues/issue-15094.stderr
new file mode 100644
index 000000000..b7c950892
--- /dev/null
+++ b/tests/ui/issues/issue-15094.stderr
@@ -0,0 +1,12 @@
+error[E0053]: method `call_once` has an incompatible type for trait
+  --> $DIR/issue-15094.rs:11:5
+   |
+LL |     fn call_once(self, _args: ()) {
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected "rust-call" fn, found "Rust" fn
+   |
+   = note: expected signature `extern "rust-call" fn(Debuger<_>, ())`
+              found signature `fn(Debuger<_>, ())`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0053`.