diff --git a/Cargo.lock b/Cargo.lock
index 7962174b..31afeda9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -78,9 +78,9 @@ dependencies = [
 
 [[package]]
 name = "anstyle-query"
-version = "1.1.0"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad186efb764318d35165f1758e7dcef3b10628e26d41a44bc5550652e6804391"
+checksum = "a64c907d4e79225ac72e2a354c9ce84d50ebb4586dee56c82b3ee73004f537f5"
 dependencies = [
  "windows-sys 0.52.0",
 ]
@@ -310,9 +310,9 @@ dependencies = [
 
 [[package]]
 name = "base64"
-version = "0.13.1"
+version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
 [[package]]
 name = "base64"
@@ -3601,6 +3601,7 @@ dependencies = [
  "reqwest",
  "serde",
  "serde_json",
+ "thiserror",
  "tracing",
  "tracing-subscriber",
  "vergen",
diff --git a/Dockerfile b/Dockerfile
index 94d10bc1..175287bb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Rust builder
-FROM lukemathwalker/cargo-chef:latest-rust-1.75 AS chef
+FROM lukemathwalker/cargo-chef:latest-rust-1.78 AS chef
 WORKDIR /usr/src
 
 FROM chef as planner
diff --git a/Dockerfile_amd b/Dockerfile_amd
index fb820116..57a7c637 100644
--- a/Dockerfile_amd
+++ b/Dockerfile_amd
@@ -1,5 +1,5 @@
 # Rust builder
-FROM lukemathwalker/cargo-chef:latest-rust-1.75 AS chef
+FROM lukemathwalker/cargo-chef:latest-rust-1.78 AS chef
 WORKDIR /usr/src
 
 ARG CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
diff --git a/Dockerfile_intel b/Dockerfile_intel
index d0791cac..8c7478c1 100644
--- a/Dockerfile_intel
+++ b/Dockerfile_intel
@@ -1,4 +1,4 @@
-FROM lukemathwalker/cargo-chef:latest-rust-1.75 AS chef
+FROM lukemathwalker/cargo-chef:latest-rust-1.78 AS chef
 WORKDIR /usr/src
 
 ARG CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
diff --git a/benchmark/src/event.rs b/benchmark/src/event.rs
index 91ce8400..07482aed 100644
--- a/benchmark/src/event.rs
+++ b/benchmark/src/event.rs
@@ -11,7 +11,7 @@ pub(crate) enum Event {
     /// Key press.
     Key(event::KeyEvent),
     /// Terminal resize.
-    Resize(u16, u16),
+    Resize,
 }
 
 pub(crate) async fn terminal_event_task(
@@ -47,8 +47,8 @@ async fn event_loop(fps: u32, event_sender: mpsc::Sender<Event>) {
         if event::poll(Duration::from_secs(0)).expect("no events available") {
             match event::read().expect("unable to read event") {
                 event::Event::Key(e) => event_sender.send(Event::Key(e)).await.unwrap_or(()),
-                event::Event::Resize(w, h) => {
-                    event_sender.send(Event::Resize(w, h)).await.unwrap_or(())
+                event::Event::Resize(_w, _h) => {
+                    event_sender.send(Event::Resize).await.unwrap_or(())
                 }
                 _ => (),
             }
diff --git a/launcher/Cargo.toml b/launcher/Cargo.toml
index 6b6fd58e..eb219423 100644
--- a/launcher/Cargo.toml
+++ b/launcher/Cargo.toml
@@ -14,6 +14,7 @@ nix = { version = "0.28.0", features = ["signal"] }
 once_cell = "1.19.0"
 serde = { version = "1.0.188", features = ["derive"] }
 serde_json = "1.0.107"
+thiserror = "1.0.59"
 tracing = "0.1.37"
 tracing-subscriber = { version = "0.3.17", features = ["json", "env-filter"] }
 
diff --git a/launcher/src/main.rs b/launcher/src/main.rs
index 9a327b27..d6b45c1d 100644
--- a/launcher/src/main.rs
+++ b/launcher/src/main.rs
@@ -18,6 +18,7 @@ use std::thread;
 use std::thread::sleep;
 use std::time::{Duration, Instant};
 use std::{fs, io};
+use thiserror::Error;
 use tracing_subscriber::EnvFilter;
 
 mod env_runtime;
@@ -824,26 +825,26 @@ fn find_num_shards(
     Ok(num_shard)
 }
 
-#[derive(Debug)]
+#[derive(Debug, Error)]
 enum LauncherError {
+    #[error("Invalid argument: {0}")]
     ArgumentValidation(String),
+    #[error("not enough cuda devices: {0}")]
     NotEnoughCUDADevices(String),
+    #[error("Download error")]
     DownloadError,
+    #[error("Shard cannot start")]
     ShardCannotStart,
+    #[error("Shard disconnected")]
     ShardDisconnected,
+    #[error("Shard failed")]
     ShardFailed,
+    #[error("Webserver failed")]
     WebserverFailed,
+    #[error("Webserver cannot start")]
     WebserverCannotStart,
 }
 
-impl core::fmt::Display for LauncherError {
-    fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
-        write!(f, "{self:?}")
-    }
-}
-
-impl std::error::Error for LauncherError {}
-
 fn download_convert_model(args: &Args, running: Arc<AtomicBool>) -> Result<(), LauncherError> {
     // Enter download tracing span
     let _span = tracing::span!(tracing::Level::INFO, "download").entered();
diff --git a/router/grpc-metadata/src/lib.rs b/router/grpc-metadata/src/lib.rs
index 7ba353fa..3068a61c 100644
--- a/router/grpc-metadata/src/lib.rs
+++ b/router/grpc-metadata/src/lib.rs
@@ -2,30 +2,9 @@
 //! Inspired by: https://github.com/open-telemetry/opentelemetry-rust gRPC examples
 
 use opentelemetry::global;
-use opentelemetry::propagation::{Extractor, Injector};
+use opentelemetry::propagation::Injector;
 use tracing_opentelemetry::OpenTelemetrySpanExt;
 
-/// Extract context metadata from a gRPC request's metadata
-struct MetadataExtractor<'a>(pub &'a tonic::metadata::MetadataMap);
-
-impl<'a> Extractor for MetadataExtractor<'a> {
-    /// Get a value for a key from the MetadataMap.  If the value can't be converted to &str, returns None
-    fn get(&self, key: &str) -> Option<&str> {
-        self.0.get(key).and_then(|metadata| metadata.to_str().ok())
-    }
-
-    /// Collect all the keys from the MetadataMap.
-    fn keys(&self) -> Vec<&str> {
-        self.0
-            .keys()
-            .map(|key| match key {
-                tonic::metadata::KeyRef::Ascii(v) => v.as_str(),
-                tonic::metadata::KeyRef::Binary(v) => v.as_str(),
-            })
-            .collect::<Vec<_>>()
-    }
-}
-
 /// Inject context in the metadata of a gRPC request.
 struct MetadataInjector<'a>(pub &'a mut tonic::metadata::MetadataMap);
 
diff --git a/router/src/infer.rs b/router/src/infer.rs
index d48b47f6..85e8775e 100644
--- a/router/src/infer.rs
+++ b/router/src/infer.rs
@@ -1260,7 +1260,7 @@ mod tests {
             },
         ];
 
-        let example_chat_with_system = vec![Message {
+        let example_chat_with_system = [Message {
             role: "system".to_string(),
             content: Some(
                 "You are a friendly chatbot who always responds in the style of a pirate"
@@ -1384,7 +1384,7 @@ mod tests {
         {
             let mut env = Environment::new();
             env.add_function("raise_exception", raise_exception);
-            let tmpl = env.template_from_str(&chat_template);
+            let tmpl = env.template_from_str(chat_template);
             let result = tmpl.unwrap().render(input).unwrap();
             assert_eq!(result, target);
         }
diff --git a/router/src/server.rs b/router/src/server.rs
index adaa409c..6b51109b 100644
--- a/router/src/server.rs
+++ b/router/src/server.rs
@@ -698,7 +698,7 @@ async fn completions(
                             model: model_id.clone(),
                             system_fingerprint: system_fingerprint.clone(),
                         })
-                        .map_or_else(|_e| Event::default(), |data| data)
+                        .unwrap_or_else(|_e| Event::default())
                 };
 
                 let (header_tx, header_rx) = oneshot::channel();
@@ -1124,13 +1124,10 @@ async fn chat_completions(
                     logprobs,
                     stream_token.details.map(|d| d.finish_reason.to_string()),
                 ))
-                .map_or_else(
-                    |e| {
-                        println!("Failed to serialize ChatCompletionChunk: {:?}", e);
-                        Event::default()
-                    },
-                    |data| data,
-                )
+                .unwrap_or_else(|e| {
+                    println!("Failed to serialize ChatCompletionChunk: {:?}", e);
+                    Event::default()
+                })
         };
 
         let (headers, response_stream) = generate_stream_internal(
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 67982433..507ee859 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,6 +1,5 @@
 [toolchain]
-# Released on: 28 December, 2023
-# Branched from master on: 10 November, 2023
-# https://releases.rs/docs/1.75.0/
-channel = "1.75.0"
+# Released on: 02 May, 2024
+# https://releases.rs/docs/1.78.0/
+channel = "1.78.0"
 components = ["rustfmt", "clippy"]