AppVeyor: ignore already existing rustup-toolchain-install-master (WTF windows batch...

diff --git a/.appveyor.yml b/.appveyor.yml
index e97380cb932fe8ad6b035e6ef0f86e812363be34..7db60514ada7a6cc0bdd99ccc8a8600b73e8c5e9 100644 (file)
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -21,7 +21,7 @@ install:
     - rustup-init.exe -y --default-host %TARGET% --default-toolchain stable
     - set PATH=%USERPROFILE%\.cargo\bin;%PATH%
     # Install "master" toolchain
-    - cargo install rustup-toolchain-install-master
+    - cargo install rustup-toolchain-install-master & exit 0
     - set /p RUSTC_HASH=<rust-version
     - rustup-toolchain-install-master -f -n master %RUSTC_HASH% -c cargo -c rust-src
     - rustup default master