Update to Rust 1.56.1

ci/docker-rust-nightly/Dockerfile

@@ -1,4 +1,4 @@
-FROM solanalabs/rust:1.56.0
+FROM solanalabs/rust:1.56.1
 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:1.56.0
+FROM rust:1.56.1
 
 # Add Google Protocol Buffers for Libra's metrics library.
 ENV PROTOC_VERSION 3.8.0

ci/rust-version.sh

@@ -18,13 +18,13 @@
 if [[ -n $RUST_STABLE_VERSION ]]; then
   stable_version="$RUST_STABLE_VERSION"
 else
-  stable_version=1.56.0
+  stable_version=1.56.1
 fi
 
 if [[ -n $RUST_NIGHTLY_VERSION ]]; then
   nightly_version="$RUST_NIGHTLY_VERSION"
 else
-  nightly_version=2021-10-22
+  nightly_version=2021-11-30
 fi
 
 

cli/src/cluster_query.rs

@@ -1431,7 +1431,7 @@ pub fn process_ping(
             if print_timestamp {
                 format!("[{}.{:06}] ", micros / 1_000_000, micros % 1_000_000)
             } else {
-                format!("")
+                String::new()
             }
         };
 

runtime/src/append_vec.rs

@@ -895,7 +895,6 @@ pub mod tests {
             // assert_eq! thinks *executable_bool is equal to false but the if condition thinks it's not, contradictorily.
             assert!(!*executable_bool);
             const FALSE: bool = false; // keep clippy happy
-            #[allow(clippy::if_then_panic)]
             if *executable_bool == FALSE {
                 panic!("This didn't occur if this test passed.");
             }

runtime/src/bank.rs

@@ -8151,7 +8151,7 @@ pub(crate) mod tests {
     #[should_panic(expected = "range start is greater than range end in BTreeMap")]
     fn test_rent_eager_bad_range() {
         let test_map = map_to_test_bad_range();
-        test_map.range(
+        let _ = test_map.range(
             Pubkey::new_from_array([
                 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
                 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -8183,7 +8183,7 @@ pub(crate) mod tests {
                     0xff, 0xff, 0xff, 0xff, 0xff, 0xff
                 ])
         );
-        test_map.range(range);
+        let _ = test_map.range(range);
 
         let range = Bank::pubkey_range_from_partition((1, 1, 3));
         assert_eq!(
@@ -8199,7 +8199,7 @@ pub(crate) mod tests {
                     0x00, 0x00, 0x00, 0x00, 0x00, 0x00
                 ])
         );
-        test_map.range(range);
+        let _ = test_map.range(range);
 
         let range = Bank::pubkey_range_from_partition((2, 2, 3));
         assert_eq!(
@@ -8215,7 +8215,7 @@ pub(crate) mod tests {
                     0xff, 0xff, 0xff, 0xff, 0xff, 0xff
                 ])
         );
-        test_map.range(range);
+        let _ = test_map.range(range);
     }
 
     #[test]
@@ -8236,7 +8236,7 @@ pub(crate) mod tests {
                     0xff, 0xff, 0xff, 0xff, 0xff, 0xff
                 ])
         );
-        test_map.range(range);
+        let _ = test_map.range(range);
 
         let range = Bank::pubkey_range_from_partition((0, 1, 2));
         assert_eq!(
@@ -8252,7 +8252,7 @@ pub(crate) mod tests {
                     0xff, 0xff, 0xff, 0xff, 0xff, 0xff
                 ])
         );
-        test_map.range(range);
+        let _ = test_map.range(range);
     }
 
     #[test]
@@ -8274,7 +8274,7 @@ pub(crate) mod tests {
                     0xff, 0xff, 0xff, 0xff, 0xff, 0xff
                 ])
         );
-        test_map.range(range);
+        let _ = test_map.range(range);
 
         let range = Bank::pubkey_range_from_partition((0, 1, 3));
         assert_eq!(
@@ -8290,7 +8290,7 @@ pub(crate) mod tests {
                     0xff, 0xff, 0xff, 0xff, 0xff, 0xff
                 ])
         );
-        test_map.range(range);
+        let _ = test_map.range(range);
 
         let range = Bank::pubkey_range_from_partition((1, 2, 3));
         assert_eq!(
@@ -8306,7 +8306,7 @@ pub(crate) mod tests {
                     0xff, 0xff, 0xff, 0xff, 0xff, 0xff
                 ])
         );
-        test_map.range(range);
+        let _ = test_map.range(range);
     }
 
     #[test]
@@ -8328,7 +8328,7 @@ pub(crate) mod tests {
                     0xff, 0xff, 0xff, 0xff, 0xff, 0xff
                 ])
         );
-        test_map.range(range);
+        let _ = test_map.range(range);
     }
 
     impl Bank {

scripts/coverage.sh

@@ -10,7 +10,7 @@ if ! command -v grcov; then
   exit 1
 fi
 
-if [[ ! "$(grcov --version)" =~ 0.[678].[012] ]]; then
+if [[ ! "$(grcov --version)" =~ 0.[678].[0124] ]]; then
   echo Error: Required grcov version not installed
 
   echo "Installed version: $(grcov --version)"

sdk/program/src/borsh.rs

@@ -120,8 +120,8 @@ mod tests {
     #[derive(PartialEq, Clone, Debug, BorshSerialize, BorshDeserialize, BorshSchema)]
     enum TestEnum {
         NoValue,
-        Value(u32),
+        Number(u32),
-        StructValue {
+        Struct {
             #[allow(dead_code)]
             number: u64,
             #[allow(dead_code)]
@@ -204,7 +204,7 @@ mod tests {
 
     #[test]
     fn instance_packed_len_matches_packed_len() {
-        let enumeration = TestEnum::StructValue {
+        let enumeration = TestEnum::Struct {
             number: u64::MAX,
             array: [255; 8],
         };
@@ -278,9 +278,9 @@ mod tests {
         let string1 = "the first string, it's actually really really long".to_string();
         let enum1 = TestEnum::NoValue;
         let string2 = "second string, shorter".to_string();
-        let enum2 = TestEnum::Value(u32::MAX);
+        let enum2 = TestEnum::Number(u32::MAX);
         let string3 = "third".to_string();
-        let enum3 = TestEnum::StructValue {
+        let enum3 = TestEnum::Struct {
             number: 0,
             array: [0; 8],
         };