contrib: fix check-crates.sh script for CI+MSRV

Signed-off-by: Yuki Kishimoto <[email protected]>

Author: yukibtc

contrib/scripts/check-crates.sh

@@ -94,7 +94,7 @@ do
 
     # If CI, clean every time to avoid to go out of space (GitHub Actions issue)
     if [ "$is_ci" == true ]; then
-        cargo clean
+        cargo $version clean
     fi
 
     echo