1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/tool-attributes/tool_lints.stderr b/tests/ui/tool-attributes/tool_lints.stderr
new file mode 100644
index 00000000000..f1d825caba1
--- /dev/null
+++ b/tests/ui/tool-attributes/tool_lints.stderr
@@ -0,0 +1,20 @@
+error[E0710]: unknown tool name `foo` found in scoped lint: `foo::bar`
+  --> $DIR/tool_lints.rs:1:8
+   |
+LL | #[warn(foo::bar)]
+   |        ^^^
+   |
+   = help: add `#![register_tool(foo)]` to the crate root
+
+error[E0710]: unknown tool name `foo` found in scoped lint: `foo::bar`
+  --> $DIR/tool_lints.rs:1:8
+   |
+LL | #[warn(foo::bar)]
+   |        ^^^
+   |
+   = help: add `#![register_tool(foo)]` to the crate root
+   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0710`.