Update to Rust and Cargo 1.37.0.

recipes-devtools/cargo/cargo-1.37.0/0001-Disable-http2.patch

@@ -0,0 +1,31 @@
+From 42e65192b6f7520b7a05924856e00600961f6758 Mon Sep 17 00:00:00 2001
+From: Johan Anderholm <johan.anderholm@gmail.com>
+Date: Sun, 27 Jan 2019 10:19:00 +0100
+Subject: [PATCH] Disable http2
+
+http2 requires that curl is build with nghttp2 which in turn depends on
+many dependencies and ultimately a dependency loop in the case of
+curl-native. As long as multiplexing is disabled in cargo this should
+be fine.
+
+Upstream-Status: Inappropriate
+---
+ Cargo.toml | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Cargo.toml b/Cargo.toml
+index c3fcacf5..bd6ec50b 100644
+--- a/Cargo.toml
++++ b/Cargo.toml
+@@ -24,7 +24,7 @@ bytesize = "1.0"
+ crates-io = { path = "src/crates-io", version = "0.25" }
+ crossbeam-utils = "0.6"
+ crypto-hash = "0.3.1"
+-curl = { version = "0.4.21", features = ['http2'] }
++curl = { version = "0.4.21" }
+ curl-sys = "0.4.18"
+ env_logger = "0.6.0"
+ pretty_env_logger = { version = "0.3", optional = true }
+-- 
+2.11.0
+

recipes-devtools/cargo/cargo_1.37.0.bb

@@ -0,0 +1,8 @@
+require recipes-devtools/rust/rust-source-${PV}.inc
+require recipes-devtools/rust/rust-snapshot-${PV}.inc
+require cargo.inc
+
+LIC_FILES_CHKSUM += " \
+    file://LICENSE-APACHE;md5=71b224ca933f0676e26d5c2e2271331c \
+    file://LICENSE-THIRD-PARTY;md5=f257ad009884cb88a3a87d6920e7180a \
+"