rust: update to 1.6.0.

srcpkgs/rust/template

@@ -1,10 +1,11 @@
 # Template file for 'rust'
 pkgname=rust
-version=1.5.0
+version=1.6.0
 revision=1
 wrksrc="rustc-${version}"
 lib32disabled=yes
 build_style=configure
+# XXX musl support still incomplete
 only_for_archs="x86_64"
 hostmakedepends="pkg-config curl python"
 short_desc="A safe, concurrent, practical systems language"
@@ -12,7 +13,7 @@ maintainer="Juan RP <xtraeme@voidlinux.eu>"
 homepage="http://www.rust-lang.org/"
 license="MIT, Apache-2.0"
 distfiles="https://static.rust-lang.org/dist/rustc-${version}-src.tar.gz"
-checksum=641037af7b7b6cad0b231cc20671f8a314fbf2f40fc0901d0b877c39fc8da5a0
+checksum=3002a4a00004b0727709abeefe1ab1b2731845e4dab74566f363861801bb3326
 
 do_configure() {
 	local _triplet