don't lint use self::

Author: lengyijun

clippy_lints/src/use_crate_prefix_for_self_imports.rs

@@ -71,7 +71,10 @@ impl LateLintPass<'_> for UseCratePrefixForSelfImports {
                 && def_id.krate == LOCAL_CRATE
             {
                 let root = segment.ident.name;
-                if root != rustc_span::symbol::kw::Crate && root != rustc_span::symbol::kw::Super {
+                if root != rustc_span::symbol::kw::Crate
+                    && root != rustc_span::symbol::kw::Super
+                    && root != rustc_span::symbol::kw::SelfLower
+                {
                     span_lint_and_sugg(
                         cx,
                         USE_CRATE_PREFIX_FOR_SELF_IMPORTS,