cargo fix --all

* it added "dyn" to trait objects
* it changed "..." in patterns to "..="

cargo --version says: "cargo 1.37.0-nightly (545f35425 2019-05-23)"

base/clock.rs

@@ -56,7 +56,7 @@ pub trait Clocks : Send + Sync + 'static {
                        timeout: StdDuration) -> Result<T, mpsc::RecvTimeoutError>;
 }
 
-pub fn retry_forever<C, T, E>(clocks: &C, f: &mut FnMut() -> Result<T, E>) -> T
+pub fn retry_forever<C, T, E>(clocks: &C, f: &mut dyn FnMut() -> Result<T, E>) -> T
 where C: Clocks, E: Into<Error> {
     loop {
         let e = match f() {

base/error.rs

@@ -47,7 +47,7 @@ impl Error {
 }
 
 impl Fail for Error {
-    fn cause(&self) -> Option<&Fail> {
+    fn cause(&self) -> Option<&dyn Fail> {
         self.inner.cause()
     }
 

base/strutil.rs

@@ -44,8 +44,8 @@ pub fn hex(raw: &[u8]) -> String {
 /// Returns [0, 16) or error.
 fn dehex_byte(hex_byte: u8) -> Result<u8, ()> {
     match hex_byte {
-        b'0' ... b'9' => Ok(hex_byte - b'0'),
-        b'a' ... b'f' => Ok(hex_byte - b'a' + 10),
+        b'0' ..= b'9' => Ok(hex_byte - b'0'),
+        b'a' ..= b'f' => Ok(hex_byte - b'a' + 10),
         _ => Err(()),
     }
 }