From b0ce10f07c1f291e66ccc6911a96a146f890b485 Mon Sep 17 00:00:00 2001
From: Eric Huss <eric@huss.org>
Date: Mon, 1 Jul 2019 08:27:26 -0700
Subject: [PATCH] Try cargo install-upgrade for mdbook.

---
 .travis.yml | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index a44cb435..bb46f710 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,9 +2,7 @@ language: rust
 cache: cargo
 rust: nightly
 before_script:
-  - (test -x $HOME/.cargo/bin/cargo-install-update || cargo install cargo-update)
-  - (test -x $HOME/.cargo/bin/mdbook || cargo install mdbook)
-  - cargo install-update -a
+  - cargo install mdbook -Z install-upgrade
   - mdbook --version
 script:
   - mdbook build