From aa1270271ab355a20c964170caa26e9f8fe22a61 Mon Sep 17 00:00:00 2001
From: Wim Looman <wim@nemo157.com>
Date: Mon, 9 Dec 2019 17:30:47 +0100
Subject: [PATCH] Remove `-Z install-upgrade` for cargo-hack

This is now the default since
https://github.com/rust-lang/cargo/pull/7560
---
 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index db964a30fd..c19dd2c310 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -129,7 +129,7 @@ matrix:
     - name: cargo check (features)
       rust: nightly
       install:
-        - cargo install -Z install-upgrade cargo-hack
+        - cargo install cargo-hack
       script:
         # Check each specified feature works properly
         # * `--each-feature` - run for each feature which includes --no-default-features and default features of package