From 272f1a88b9a174115e0943b6c215ae3db6872ffa Mon Sep 17 00:00:00 2001
From: Steven Fackler <sfackler@gmail.com>
Date: Sun, 30 Dec 2018 20:12:17 -0800
Subject: [PATCH] Fix warning

---
 tokio-postgres/src/config.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tokio-postgres/src/config.rs b/tokio-postgres/src/config.rs
index 28860103..ad03ba7b 100644
--- a/tokio-postgres/src/config.rs
+++ b/tokio-postgres/src/config.rs
@@ -294,14 +294,17 @@ impl fmt::Display for UnknownOption {
 impl error::Error for UnknownOption {}
 
 #[derive(Debug)]
+#[cfg(feature = "runtime")]
 struct InvalidValue(&'static str);
 
+#[cfg(feature = "runtime")]
 impl fmt::Display for InvalidValue {
     fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(fmt, "invalid value for option `{}`", self.0)
     }
 }
 
+#[cfg(feature = "runtime")]
 impl error::Error for InvalidValue {}
 
 struct Parser<'a> {