Run the formatter

Run `cargo +nightly fmt`, no manual changes. Done separately to make
review of the last patch easier.

bitcoin/src/consensus/encode.rs

@@ -363,10 +363,7 @@ macro_rules! impl_int_encodable {
         }
         impl Encodable for $ty {
             #[inline]
-            fn consensus_encode<W: Write + ?Sized>(
+            fn consensus_encode<W: Write + ?Sized>(&self, w: &mut W) -> Result<usize, io::Error> {
-                &self,
-                w: &mut W,
-            ) -> Result<usize, io::Error> {
                 w.$meth_enc(*self)?;
                 Ok(mem::size_of::<$ty>())
             }
@@ -586,10 +583,7 @@ macro_rules! impl_vec {
     ($type: ty) => {
         impl Encodable for Vec<$type> {
             #[inline]
-            fn consensus_encode<W: Write + ?Sized>(
+            fn consensus_encode<W: Write + ?Sized>(&self, w: &mut W) -> Result<usize, io::Error> {
-                &self,
-                w: &mut W,
-            ) -> Result<usize, io::Error> {
                 let mut len = 0;
                 len += VarInt(self.len() as u64).consensus_encode(w)?;
                 for c in self.iter() {

bitcoin/src/consensus/serde.rs

@@ -12,10 +12,10 @@
 use core::fmt;
 use core::marker::PhantomData;
 
+use io::{Read, Write};
 use serde::de::{SeqAccess, Unexpected, Visitor};
 use serde::ser::SerializeSeq;
 use serde::{Deserializer, Serializer};
-use io::{Read, Write};
 
 use super::encode::Error as ConsensusError;
 use super::{Decodable, Encodable};

bitcoin/src/crypto/key.rs

@@ -11,8 +11,8 @@ use core::str::FromStr;
 
 use hashes::{hash160, Hash};
 use hex::FromHex;
-use io::{Read, Write};
 use internals::write_err;
+use io::{Read, Write};
 
 use crate::crypto::ecdsa;
 use crate::internal_macros::impl_asref_push_bytes;