cargo: update to 0.21.0.

srcpkgs/cargo/patches/nonexhaustive.patch

@@ -0,0 +1,14 @@
+Without this patch, cargo fails to build in rust 1.20 due to:
+error[E0004]: non-exhaustive patterns: `&__Nonexhaustive { }` not covered
+
+--- src/cargo/util/errors.rs.orig
++++ src/cargo/util/errors.rs
+@@ -83,7 +83,7 @@
+             &CargoErrorKind::Parse(_) |
+             &CargoErrorKind::Git(_) |
+             &CargoErrorKind::Internal(_) |
+-            &CargoErrorKind::CargoTestErrorKind(_) => false
++            &CargoErrorKind::CargoTestErrorKind(_) | _ => false
+         }
+     }
+ }

srcpkgs/cargo/template

@@ -1,9 +1,8 @@
 # Template file for 'cargo'
 pkgname=cargo
-version=0.20.0
+version=0.21.0
 revision=1
 _githash_installer=4f994850808a572e2cc8d43f968893c8e942e9bf
-patch_args="-Np1"
 hostmakedepends="rust python curl cmake pkg-config"
 makedepends="libcurl-devel libgit2-devel"
 depends="rust"
@@ -13,7 +12,7 @@ license="MIT, Apache-2.0"
 homepage="https://crates.io/"
 distfiles="https://github.com/rust-lang/${pkgname}/archive/${version}.tar.gz
  https://github.com/rust-lang/rust-installer/archive/${_githash_installer}.tar.gz"
-checksum="f0e21d23cffd3510ba8a65e6a4d1010073afc0e573d9d92c23d22b868ca0bc42
+checksum="7c36cfb515c37959f06f9e6e7de28fd40eac70b53079f8abdd55eba6ae49bbff
  dc7240d60a869fa24a68c8734fb7c810c27cca0a6dad52df6279865e4e8e7fae"
 nocross=yes
 
@@ -26,13 +25,13 @@ x86_64-musl)
 	;;
 x86_64)
 	distfiles+="
-	 https://static.rust-lang.org/dist/cargo-0.18.0-x86_64-unknown-linux-gnu.tar.gz"
+	 https://static.rust-lang.org/dist/cargo-0.20.0-x86_64-unknown-linux-gnu.tar.gz"
 	checksum+="
-	 3601e95c968850230b137b849ff08a507e50d77ab584c779143a100f1843d8dd"
+	 a677d13b01d00ad13edf75c7d1b484421c7fc09338bf9ed6d456b4685bb42ed1"
 	;;
 i686)
 	distfiles+="
-	 https://static.rust-lang.org/dist/cargo-0.18.0-i686-unknown-linux-gnu.tar.gz"
+	 https://static.rust-lang.org/dist/cargo-0.20.0-i686-unknown-linux-gnu.tar.gz"
 	checksum+="
 	 fbc5a0614345dfb2b41e133bd821257906a839753a9aa4c4590cc9d658164e58"
 	;;