From 954757a141f02ed8597855961540dd0c714d0258 Mon Sep 17 00:00:00 2001
From: Oliver Hamlet <oliver.hamlet@gmail.com>
Date: Tue, 25 Jun 2019 07:39:12 +0100
Subject: [PATCH] Replace deprecated Error::cause with Error::source

Error::source was added in Rust 1.30.0, and Error::cause was deprecated
in favour of it in Rust 1.33.0.
---
 src/error.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/error.rs b/src/error.rs
index 88ba697..bc9355d 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -63,7 +63,7 @@ impl fmt::Display for Error {
 }
 
 impl error::Error for Error {
-    fn cause(&self) -> Option<&error::Error> {
+    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
         match self {
             Error::ParsingError(_, e) => Some(e),
             Error::PeParsingError(_, e) => Some(e.as_ref()),
@@ -97,8 +97,8 @@ impl<I: fmt::Debug + fmt::Display> fmt::Display for ParsingError<I> {
 }
 
 impl<I: fmt::Debug + fmt::Display> error::Error for ParsingError<I> {
-    fn cause(&self) -> Option<&error::Error> {
-        self.kind.cause()
+    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
+        self.kind.source()
     }
 }
 
@@ -147,7 +147,7 @@ impl From<ParseIntError> for ParsingErrorKind {
 }
 
 impl error::Error for ParsingErrorKind {
-    fn cause(&self) -> Option<&error::Error> {
+    fn source(&self) -> Option<&(dyn error::Error + 'static)> {
         match self {
             ParsingErrorKind::InvalidCrc(e) => Some(e),
             _ => None,