Fix Ci

Author: sanket1729

contrib/test.sh

@@ -8,6 +8,13 @@ then
     alias cargo="cargo +$TOOLCHAIN"
 fi
 
+
+# Pin dependencies as required if we are using MSRV toolchain.
+if cargo --version | grep "1\.41"; then
+    # 1.0.108 uses `matches!` macro so does not work with Rust 1.41.1, bad `syn` no biscuit.
+    cargo update -p syn --precise 1.0.107
+fi
+
 # Lint if told to
 if [ "$DO_LINT" = true ]
 then