From 9e317c61d7760ccb2d7bb1a77a2005cc41f40e77 Mon Sep 17 00:00:00 2001
From: Bert Belder <bertbelder@gmail.com>
Date: Tue, 25 Sep 2018 22:12:25 -0700
Subject: travis: don't cache unnecessary cargo and rustup files

---
 .travis.yml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/.travis.yml b/.travis.yml
index 15184dc7d..7912c7a9e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -70,6 +70,14 @@ install:
     fi
     hyperfine --version
   fi
+- |-
+  # Remove unnnecessary cargo and rustup directories.
+  # This keeps the Travis CI cache small and fast.
+  rm -rf "$CARGO_HOME"registry
+  rm -rf "$RUSTUP_HOME"downloads
+  rm -rf "$RUSTUP_HOME"tmp
+  rm -rf "$RUSTUP_HOME"toolchains/*/etc
+  rm -rf "$RUSTUP_HOME"toolchains/*/share
 before_script:
 - ./tools/setup.py
 script:
-- 
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