fix borrow mut

Author: cijothomas

opentelemetry-sdk/benches/metric_counter.rs

@@ -54,7 +54,8 @@ fn counter_add(c: &mut Criterion) {
     c.bench_function("Counter_Add_Sorted", |b| {
         b.iter(|| {
             // 4*4*10*10 = 1600 time series.
-            let rands = CURRENT_RNG.with_borrow_mut(|rng| {
+            let rands = CURRENT_RNG.with(|rng| {
+                let mut rng = rng.borrow_mut();
                 [
                     rng.gen_range(0..4),
                     rng.gen_range(0..4),
@@ -81,7 +82,8 @@ fn counter_add(c: &mut Criterion) {
     c.bench_function("Counter_Add_Unsorted", |b| {
         b.iter(|| {
             // 4*4*10*10 = 1600 time series.
-            let rands = CURRENT_RNG.with_borrow_mut(|rng| {
+            let rands = CURRENT_RNG.with(|rng| {
+                let mut rng = rng.borrow_mut();
                 [
                     rng.gen_range(0..4),
                     rng.gen_range(0..4),
@@ -118,7 +120,8 @@ fn counter_add(c: &mut Criterion) {
 
     c.bench_function("ThreadLocal_Random_Generator_5", |b| {
         b.iter(|| {
-            let _i1 = CURRENT_RNG.with_borrow_mut(|rng| {
+            let __i1 = CURRENT_RNG.with(|rng| {
+                let mut rng = rng.borrow_mut();
                 [
                     rng.gen_range(0..4),
                     rng.gen_range(0..4),

stress/src/metrics.rs

@@ -45,7 +45,8 @@ fn main() {
 
 fn test_counter() {
     let len = ATTRIBUTE_VALUES.len();
-    let rands = CURRENT_RNG.with_borrow_mut(|rng| {
+    let rands = CURRENT_RNG.with(|rng| {
+        let mut rng = rng.borrow_mut();
         [
             rng.gen_range(0..len),
             rng.gen_range(0..len),

stress/src/random.rs

@@ -25,7 +25,8 @@ fn main() {
 }
 
 fn test_random_generation() {
-    let _i1 = CURRENT_RNG.with_borrow_mut(|rng| {
+    let _i1 = CURRENT_RNG.with(|rng| {
+        let mut rng = rng.borrow_mut();
         [
             rng.gen_range(0..10),
             rng.gen_range(0..10),