From 0a171ed301b056ceb0547c93121feb183e4eedf9 Mon Sep 17 00:00:00 2001
From: Andrii Radyk <ander.ender@gmail.com>
Date: Sat, 21 Dec 2019 16:20:52 +0100
Subject: [PATCH] remove deprecated Error::description and cause

---
 src/lib.rs | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 0c78c0d..7178a08 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -126,27 +126,7 @@ pub enum Error {
     __Nonexhaustive,
 }
 
-impl error::Error for Error {
-    fn description(&self) -> &str {
-        match *self {
-            Error::EnvNoPkgConfig(_) => "pkg-config requested to be aborted",
-            Error::CrossCompilation => {
-                "pkg-config doesn't handle cross compilation. \
-                 Use PKG_CONFIG_ALLOW_CROSS=1 to override"
-            }
-            Error::Command { .. } => "failed to run pkg-config",
-            Error::Failure { .. } => "pkg-config did not exit sucessfully",
-            Error::__Nonexhaustive => panic!(),
-        }
-    }
-
-    fn cause(&self) -> Option<&dyn error::Error> {
-        match *self {
-            Error::Command { ref cause, .. } => Some(cause),
-            _ => None,
-        }
-    }
-}
+impl error::Error for Error {}
 
 impl fmt::Display for Error {
     fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {