diff --git a/compiler/rustc_resolve/src/check_unused.rs b/compiler/rustc_resolve/src/check_unused.rs
index aac244ad6cf22..91e6188a8c63c 100644
--- a/compiler/rustc_resolve/src/check_unused.rs
+++ b/compiler/rustc_resolve/src/check_unused.rs
@@ -250,6 +250,13 @@ impl<'a, 'ra, 'tcx> AsMut<Resolver<'ra, 'tcx>> for UnusedImportCheckVisitor<'a,
 }
 
 impl<'a, 'ra, 'tcx> Visitor<'a> for UnusedImportCheckVisitor<'a, 'ra, 'tcx> {
+    // Don't walk into attributes because imports can appear
+    // inside (e.g #[doc = {use std::{io,fmt};}]). They have
+    // a different owner, so they will cause an ICE if we visit
+    // them. Note that this doc attribute is not valid and will
+    // be rejected during AST lowering.
+    fn visit_attribute(&mut self, _: &'a rustc_ast::Attribute) {}
+
     fn visit_item(&mut self, item: &'a ast::Item) {
         self.item_span = item.span_with_attributes();
         match &item.kind {
diff --git a/tests/ui/attributes/use-tree-in-docs.rs b/tests/ui/attributes/use-tree-in-docs.rs
new file mode 100644
index 0000000000000..69e1121464558
--- /dev/null
+++ b/tests/ui/attributes/use-tree-in-docs.rs
@@ -0,0 +1,7 @@
+// Don't ICE when use tree appears in docs. (#163355)
+#![feature(generic_assert)]
+#[doc = assert !(b)]
+//~^ ERROR attribute value must be a literal
+use std as x;
+
+fn main(){}
diff --git a/tests/ui/attributes/use-tree-in-docs.stderr b/tests/ui/attributes/use-tree-in-docs.stderr
new file mode 100644
index 0000000000000..fb03874a714c7
--- /dev/null
+++ b/tests/ui/attributes/use-tree-in-docs.stderr
@@ -0,0 +1,8 @@
+error: attribute value must be a literal
+  --> $DIR/use-tree-in-docs.rs:3:9
+   |
+LL | #[doc = assert !(b)]
+   |         ^^^^^^^^^^^
+
+error: aborting due to 1 previous error
+