diff --git a/crates/hir-ty/src/display.rs b/crates/hir-ty/src/display.rs
index ff78fe0d54ef..cd31845a5140 100644
--- a/crates/hir-ty/src/display.rs
+++ b/crates/hir-ty/src/display.rs
@@ -1426,6 +1426,7 @@ fn generic_args_sans_defaults<'ga>(
                     }
                     // otherwise, if the arg is equal to the param default, hide it (unless the
                     // default is an error which can happen for the trait Self type)
+                    #[allow(unstable_name_collisions)]
                     default_parameters.get(i).is_none_or(|default_parameter| {
                         // !is_err(default_parameter.skip_binders())
                         //     &&
diff --git a/rust-version b/rust-version
index 207ef6c5de74..c605feb6eea9 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-6579ed89f0fcc26da71afdd11d30d63f6f812a0a
+3d5d7a24f76006b391d8a53d903ae64c1b4a52d2