Pass -v on cargo install

Author: alexcrichton

init.sh

@@ -36,7 +36,7 @@ cp -a root-nightly.new root-stable.new
 curl -O https://static.rust-lang.org/rustup.sh
 for channel in stable beta nightly; do
     sh rustup.sh --prefix=root-${channel}.new --channel=$channel --yes --disable-sudo
-    arch-chroot root-$channel.new cargo install --root /usr rustfmt
+    arch-chroot root-$channel.new cargo install -v --root /usr rustfmt
     [[ -d root-$channel ]] && mv root-$channel root-${channel}.old
     mv root-${channel}.new root-$channel
     [[ -d root-${channel}.old ]] && rm -rf root-${channel}.old