diff --git a/scripts/run_cargo_tests.sh b/scripts/run_cargo_tests.sh
index aed76ae93..da6f24abf 100755
--- a/scripts/run_cargo_tests.sh
+++ b/scripts/run_cargo_tests.sh
@@ -24,5 +24,5 @@ time cargo rustc --bin vhost_user_net --no-default-features --features "pci"  --
 time cargo clippy --all-targets --no-default-features --features "mmio" -- -D warnings
 time cargo rustc --bin cloud-hypervisor --no-default-features --features "mmio"  -- -D warnings
 time cargo rustc --bin vhost_user_net --no-default-features --features "mmio"  -- -D warnings
-time cargo fmt
+time cargo fmt -- --check
 time cargo build --release
diff --git a/src/main.rs b/src/main.rs
index 3e6ab8db5..44f61c4d2 100755
--- a/src/main.rs
+++ b/src/main.rs
@@ -57,7 +57,8 @@ impl log::Log for Logger {
                 record.target(),
                 record.args()
             )
-        }.ok();
+        }
+        .ok();
     }
     fn flush(&self) {}
 }