Update Clippy submodule

phansch · phansch · commit d6034bb11880 · 2019-03-06T08:33:52.000+01:00
* Ensure `expect_fun_call` bad suggestion is fixed
* fix or ignore failing doc tests
* move lint documentation into macro invocations
* Fix missing_const_for_fn for impl trait methods
* Don't trigger missing_const_for_fn in external macros
diff --git a/src/tools/clippy b/src/tools/clippy
@@ -1 +1 @@
-Subproject commit caccf8bd4c3d490d6a4cf329a3411bbf68753642
+Subproject commit 15d1731ce8d3782ba93b0fd583307240fc814ef3
