remove unnecessary cast

Cargo.lock

@@ -441,7 +441,7 @@ checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b"
 
 [[package]]
 name = "utcnow"
-version = "1.5.0"
+version = "1.5.1"
 dependencies = [
  "chrono",
  "chrono-tz",

src/main.rs

@@ -12,7 +12,7 @@ fn nanos(utc: DateTime<Utc>) -> u64 {
 fn get_time() -> (i64, i32) {
     let mut tv = libc::timespec { tv_sec: 0, tv_nsec: 0 };
     unsafe { libc::clock_gettime(libc::CLOCK_REALTIME, &mut tv); }
-    (tv.tv_sec as i64, tv.tv_nsec as i32)
+    (tv.tv_sec, tv.tv_nsec as i32)
 }
 
 fn timespec_to_utc(sec: i64, nsec: i32) -> DateTime<Utc> {