--- a/rust/hg-core/Cargo.toml	Mon Sep 06 13:39:54 2021 +0200
+++ b/rust/hg-core/Cargo.toml	Thu Sep 09 18:07:40 2021 +0200
@@ -24,6 +24,7 @@
 sha-1 = "0.9.6"
 twox-hash = "1.5.0"
 same-file = "1.0.6"
+stable_deref_trait = "1.2.0"
 tempfile = "3.1.0"
 crossbeam-channel = "0.4"
 micro-timer = "0.3.0"