Fix clippy error and fmt in xz2 encoder.rs

Signed-off-by: Jiahao XU <[email protected]>

Author: NobodyXu

src/codec/xz2/encoder.rs

@@ -48,9 +48,7 @@ impl Encode for Xz2Encoder {
 
         match status {
             Status::Ok | Status::StreamEnd => Ok(()),
-            Status::GetCheck => Err(io::Error::other(
-                "Unexpected lzma integrity check"
-            )),
+            Status::GetCheck => Err(io::Error::other("Unexpected lzma integrity check")),
             Status::MemNeeded => Err(io::Error::other("out of memory")),
         }
     }
@@ -70,11 +68,8 @@ impl Encode for Xz2Encoder {
         match status {
             Status::Ok => Ok(false),
             Status::StreamEnd => Ok(true),
-            Status::GetCheck => Err(io::Error::new(
-                io::ErrorKind::Other,
-                "Unexpected lzma integrity check",
-            )),
-            Status::MemNeeded => Err(io::Error::new(io::ErrorKind::Other, "out of memory")),
+            Status::GetCheck => Err(io::Error::other("Unexpected lzma integrity check")),
+            Status::MemNeeded => Err(io::Error::other("out of memory")),
         }
     }
 
@@ -93,11 +88,8 @@ impl Encode for Xz2Encoder {
         match status {
             Status::Ok => Ok(false),
             Status::StreamEnd => Ok(true),
-            Status::GetCheck => Err(io::Error::new(
-                io::ErrorKind::Other,
-                "Unexpected lzma integrity check",
-            )),
-            Status::MemNeeded => Err(io::Error::new(io::ErrorKind::Other, "out of memory")),
+            Status::GetCheck => Err(io::Error::other("Unexpected lzma integrity check")),
+            Status::MemNeeded => Err(io::Error::other("out of memory")),
         }
     }
 }