error: Consistently use Display instead of error description()

The description method is deprecated and its signature forces less
helpful error messages than what Display can provide.

BUG=none
TEST=cargo check --all-features
TEST=cargo check --target aarch64-unknown-linux-gnu

Change-Id: I27fc99d59d0ef457c5273dc53e4c563ef439c2c0
Reviewed-on: https://chromium-review.googlesource.com/1497735
Commit-Ready: David Tolnay <dtolnay@chromium.org>
Tested-by: David Tolnay <dtolnay@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Dylan Reid <dgreid@chromium.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/plugin/mod.rs b/src/plugin/mod.rs
index 0736b1f..787c73f 100644
--- a/src/plugin/mod.rs
+++ b/src/plugin/mod.rs
@@ -5,7 +5,7 @@
 mod process;
 mod vcpu;
 
-use std::fmt;
+use std::fmt::{self, Display};
 use std::fs::File;
 use std::io;
 use std::os::unix::io::{FromRawFd, IntoRawFd};
@@ -103,7 +103,7 @@ pub enum Error {
     ValidateTapFd(SysError),
 }
 
-impl fmt::Display for Error {
+impl Display for Error {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         use self::Error::*;