diff --git a/rust_dev_preview/cross_service/rest_ses/src/report.rs b/rust_dev_preview/cross_service/rest_ses/src/report.rs
index c518869f05d..1b2f590debe 100644
--- a/rust_dev_preview/cross_service/rest_ses/src/report.rs
+++ b/rust_dev_preview/cross_service/rest_ses/src/report.rs
@@ -127,7 +127,7 @@ fn make_report(items: Vec<WorkItem>) -> Result<Vec<u8>, ReportError> {
         .map_err(ReportError::XslxError)?;
 
     let wrote_workbook: Result<(), ReportError> = {
-        for (col, text) in vec!["Writer", "Date", "Guide", "Description", "Status"]
+        for (col, text) in ["Writer", "Date", "Guide", "Description", "Status"]
             .iter()
             .enumerate()
         {
diff --git a/rust_dev_preview/cross_service/rust-toolchain.toml b/rust_dev_preview/cross_service/rust-toolchain.toml
index 41755a2bed6..0ec68c05821 100644
--- a/rust_dev_preview/cross_service/rust-toolchain.toml
+++ b/rust_dev_preview/cross_service/rust-toolchain.toml
@@ -1,3 +1,3 @@
 # This should be kept in sync with https://github.com/awslabs/aws-sdk-rust#supported-rust-versions-msrv
 [toolchain]
-channel = "1.69.0"
+channel = "stable"