Upgrade to Rust 1.43.0 (bp #9754) (#9807)

* Upgrade to Rust 1.43.0 (#9754)

(cherry picked from commit 230df0ec0c)

# Conflicts:
#	core/src/validator.rs
#	runtime/src/accounts_db.rs

* Update validator.rs

* Update accounts_db.rs

Co-authored-by: Michael Vines <mvines@gmail.com>

ci/docker-rust-nightly/Dockerfile

@@ -1,4 +1,4 @@
-FROM solanalabs/rust:1.42.0
+FROM solanalabs/rust:1.43.0
 ARG date
 
 RUN set -x \

ci/docker-rust/Dockerfile

@@ -1,6 +1,6 @@
 # Note: when the rust version is changed also modify
 # ci/rust-version.sh to pick up the new image tag
-FROM rust:1.42.0
+FROM rust:1.43.0
 
 # Add Google Protocol Buffers for Libra's metrics library.
 ENV PROTOC_VERSION 3.8.0

ci/rust-version.sh

@@ -1,28 +1,30 @@
 #
 # This file maintains the rust versions for use by CI.
 #
-# Build with stable rust, updating the stable toolchain if necessary:
-#   $ source ci/rust-version.sh stable
-#   $ cargo +"$rust_stable" build
-#
-# Build with nightly rust, updating the nightly toolchain if necessary:
-#   $ source ci/rust-version.sh nightly
-#   $ cargo +"$rust_nightly" build
-#
 # Obtain the environment variables without any automatic toolchain updating:
 #   $ source ci/rust-version.sh
 #
+# Obtain the environment variables updating both stable and nightly, only stable, or
+# only nightly:
+#   $ source ci/rust-version.sh all
+#   $ source ci/rust-version.sh stable
+#   $ source ci/rust-version.sh nightly
+
+# Then to build with either stable or nightly:
+#   $ cargo +"$rust_stable" build
+#   $ cargo +"$rust_nightly" build
+#
 
 if [[ -n $RUST_STABLE_VERSION ]]; then
   stable_version="$RUST_STABLE_VERSION"
 else
-  stable_version=1.42.0
+  stable_version=1.43.0
 fi
 
 if [[ -n $RUST_NIGHTLY_VERSION ]]; then
   nightly_version="$RUST_NIGHTLY_VERSION"
 else
-  nightly_version=2020-03-12
+  nightly_version=2020-04-23
 fi
 
 
@@ -51,6 +53,10 @@ export rust_nightly_docker_image=solanalabs/rust-nightly:"$nightly_version"
   nightly)
      rustup_install "$rust_nightly"
     ;;
+  all)
+     rustup_install "$rust_stable"
+     rustup_install "$rust_nightly"
+    ;;
   *)
     echo "Note: ignoring unknown argument: $1"
     ;;

ci/test-bench.sh

@@ -25,7 +25,7 @@ source ci/_
 source ci/upload-ci-artifact.sh
 
 eval "$(ci/channel-info.sh)"
-source ci/rust-version.sh nightly
+source ci/rust-version.sh all
 
 set -o pipefail
 export RUST_BACKTRACE=1

logger/src/lib.rs

@@ -5,7 +5,7 @@ use std::sync::{Arc, RwLock};
 
 lazy_static! {
     static ref LOGGER: Arc<RwLock<env_logger::Logger>> =
-        { Arc::new(RwLock::new(env_logger::Logger::from_default_env())) };
+        Arc::new(RwLock::new(env_logger::Logger::from_default_env()));
 }
 
 struct LoggerShim {}

runtime/src/accounts_db.rs

@@ -60,7 +60,7 @@ pub const DEFAULT_NUM_DIRS: u32 = 4;
 lazy_static! {
     // FROZEN_ACCOUNT_PANIC is used to signal local_cluster that an AccountsDB panic has occurred,
     // as |cargo test| cannot observe panics in other threads
-    pub static ref FROZEN_ACCOUNT_PANIC: Arc<AtomicBool> = { Arc::new(AtomicBool::new(false)) };
+    pub static ref FROZEN_ACCOUNT_PANIC: Arc<AtomicBool> = Arc::new(AtomicBool::new(false));
 }
 
 #[derive(Debug, Default)]