From 8ad6ae71c671e744c239844a4715833f1081dfc3 Mon Sep 17 00:00:00 2001
From: David Tolnay <dtolnay@gmail.com>
Date: Fri, 16 Aug 2019 09:43:02 -0700
Subject: [PATCH] Update serde_derive minimum rustc version to 1.31

---
 .travis.yml | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index d2966206..2190ddc1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,11 +39,6 @@ matrix:
         - cd "${TRAVIS_BUILD_DIR}/serde_test"
         - cargo build
 
-    - rust: 1.15.0
-      script:
-        - cd "${TRAVIS_BUILD_DIR}/serde_derive"
-        - cargo build
-
     - rust: 1.19.0
     - rust: 1.20.0
     - rust: 1.21.0
@@ -56,6 +51,11 @@ matrix:
     - rust: 1.28.0
       before_script: sed -i /test_suite/d Cargo.toml
 
+    - rust: 1.31.0
+      script:
+        - cd "${TRAVIS_BUILD_DIR}/serde_derive"
+        - cargo build
+
     - rust: 1.34.0
 
     - rust: 1.36.0