Upgrade rust to 1.2.0

mingw-w64-rust/PKGBUILD

@@ -2,8 +2,8 @@
 
 _realname=rust
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
-pkgver=1.1.0
-pkgrel=3
+pkgver=1.2.0
+pkgrel=1
 pkgdesc="A safe, concurrent, practical language from Mozilla (mingw-w64)"
 arch=('any')
 url="http://www.rust-lang.org/"
@@ -20,7 +20,7 @@ makedepends=("git"
 options=('!makeflags' 'staticlibs')
 #install=rust.install
 source=(https://static.rust-lang.org/dist/${_realname}c-${pkgver}-src.tar.gz)
-md5sums=('5f2f923f8d1c77a55721d1f0813a158a')
+sha256sums=('ea6eb983daf2a073df57186a58f0d4ce0e85c711bec13c627a8c85d51b6a6d78')
 
 prepare() {
   cd ${srcdir}/${_realname}c-$pkgver
@@ -37,7 +37,8 @@ build() {
     --build=${MINGW_CHOST} \
     --host=${MINGW_CHOST} \
     --target=${MINGW_CHOST} \
-    --llvm-root=${MINGW_PREFIX}
+    --llvm-root=${MINGW_PREFIX} \
+    --release-channel=stable
 
     #--enable-local-rust              use an installed rustc rather than downloading a snapshot
     #--local-rust-root=[/usr/local]   set prefix for local rust binary