diff -r d0ad9fd923fd -r 09d46ab83361 rust/hedgewars-server/src/protocol.rs
--- a/rust/hedgewars-server/src/protocol.rs	Mon Apr 08 20:58:41 2019 +0200
+++ b/rust/hedgewars-server/src/protocol.rs	Mon Apr 08 22:16:44 2019 +0300
@@ -1,5 +1,5 @@
 use netbuf;
-use nom::{Err, IResult};
+use nom::{Err, ErrorKind, IResult};
 use std::io::{Read, Result};
 
 pub mod messages;
@@ -31,8 +31,7 @@
                 self.consumed = self.buf.len() - self.consumed - tail.len();
                 msgs
             }
-            Err(Err::Incomplete(_)) => unreachable!(),
-            Err(Err::Error(_)) | Err(Err::Failure(_)) => unreachable!(),
+            _ => unreachable!(),
         }
     }