vi
diff --git a/‎Cargo.lock
+8-7 b/‎Cargo.lock
+8-7
diff --git a/‎Cargo.toml
+1 b/‎Cargo.toml
+1
@@ -24,6 +24,7 @@ derivative = "1.0.2"
 bincode = "1.1.3"
 itertools = "0.8.0"
 rand_xorshift = "0.1.1"
+backtrace-sys="=0.1.19"
 
 [workspace]
 members = ["miniserde_tools"]