diff --git a/connector/json-test-connector/src/source.rs b/connector/json-test-connector/src/source.rs
index b021c38900..868a56649f 100644
--- a/connector/json-test-connector/src/source.rs
+++ b/connector/json-test-connector/src/source.rs
@@ -56,7 +56,7 @@ impl Stream for TestJsonSource {
     }
 
     fn size_hint(&self) -> (usize, Option<usize>) {
-        (std::usize::MAX, None)
+        (usize::MAX, None)
     }
 }
 
diff --git a/crates/cargo-builder/src/package.rs b/crates/cargo-builder/src/package.rs
index 7bdb85ede4..5663b04872 100644
--- a/crates/cargo-builder/src/package.rs
+++ b/crates/cargo-builder/src/package.rs
@@ -177,11 +177,11 @@ mod tests {
         assert!(package_info
             .package_path()
             .ends_with("crates/cargo-builder"));
-        assert_eq!(package_info.target_name().unwrap(), "cargo-builder");
+        assert_eq!(package_info.target_name().unwrap(), "cargo_builder");
         assert!(package_info
             .target_bin_path()
             .unwrap()
-            .ends_with("x86_64-unknown-linux-gnu/release-lto/cargo-builder"));
+            .ends_with("x86_64-unknown-linux-gnu/release-lto/cargo_builder"));
         assert!(package_info
             .target_wasm32_path()
             .unwrap()
diff --git a/crates/fluvio-spu/src/services/public/produce_handler.rs b/crates/fluvio-spu/src/services/public/produce_handler.rs
index c12507ad1a..d723d1fbc2 100644
--- a/crates/fluvio-spu/src/services/public/produce_handler.rs
+++ b/crates/fluvio-spu/src/services/public/produce_handler.rs
@@ -253,7 +253,7 @@ async fn apply_smartmodules(
     let sm_result = match process_batch(
         sm_ctx.chain_mut(),
         &mut batches,
-        std::usize::MAX,
+        usize::MAX,
         ctx.metrics().chain_metrics(),
     ) {
         Ok((result, sm_runtime_error)) => {
diff --git a/crates/fluvio-storage/src/index.rs b/crates/fluvio-storage/src/index.rs
index 2e997c6259..cb3f2180b3 100644
--- a/crates/fluvio-storage/src/index.rs
+++ b/crates/fluvio-storage/src/index.rs
@@ -119,7 +119,7 @@ impl LogIndex {
 
         debug!(len, "memory mapped len");
 
-        if len > std::u32::MAX as u64 {
+        if len > u32::MAX as u64 {
             return Err(IoError::new(
                 ErrorKind::InvalidData,
                 "index file should not exceed u32",
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 51985806fc..628740b12f 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.78.0"
+channel = "1.79.0"