Rustfmt: retain some manual formatting

Author: rubdos

curve25519-dalek/src/backend/vector/neon/edwards.rs

@@ -320,6 +320,7 @@ impl<'a> From<&'a edwards::EdwardsPoint> for NafLookupTable8<CachedPoint> {
 mod test {
     use super::*;
 
+    #[rustfmt::skip] // Skip S8..S11 formatting
     fn serial_add(P: edwards::EdwardsPoint, Q: edwards::EdwardsPoint) -> edwards::EdwardsPoint {
         use crate::backend::serial::u64::field::FieldElement51;
 
@@ -516,10 +517,11 @@ mod test {
 
     #[test]
     fn basepoint_odd_lookup_table_verify() {
-        use crate::constants;
         use crate::backend::vector::neon::constants::BASEPOINT_ODD_LOOKUP_TABLE;
+        use crate::constants;
 
-        let basepoint_odd_table = NafLookupTable8::<CachedPoint>::from(&constants::ED25519_BASEPOINT_POINT);
+        let basepoint_odd_table =
+            NafLookupTable8::<CachedPoint>::from(&constants::ED25519_BASEPOINT_POINT);
         println!("Testing basepoint table");
 
         let table_B = &BASEPOINT_ODD_LOOKUP_TABLE;