Add rustfmt gitignore (#2108)

diff --git a/Rust.gitignore b/Rust.gitignore
index cb14a420640b9af2da76a8a73650fba0929bfeb8..50281a44270e0fe457f02c7c9edebe234eaa708d 100644 (file)
--- a/Rust.gitignore
+++ b/Rust.gitignore
@@ -5,3 +5,6 @@
 # Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
 # More information here http://doc.crates.io/guide.html#cargotoml-vs-cargolock
 Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk