From 67cc779ee517537334b4b24c626cb12388c55fc1 Mon Sep 17 00:00:00 2001
From: Alan Potter <alanjpotter@gmail.com>
Date: Tue, 27 Feb 2024 10:27:35 -0500
Subject: [PATCH] ci: cache rust

Installing the rust toolchain takes a long time (especially in the 3.10
job, for some reason). The Travis doc says `cargo: true` will cache
$HOME/.cargo, which should help.
---
 .travis.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.travis.yml b/.travis.yml
index cbcd319b..d54311ce 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,6 +20,7 @@ install: pip -q install --upgrade "tox < 4" tox-travis
 script: tox
 
 cache:
+  cargo: true
   pip: true
   directories:
   - $TRAVIS_BUILD_DIR/.tox/