Cudarc is optional.

Author: Narsil

router/Cargo.toml

@@ -56,7 +56,9 @@ tonic = { version = "0.11.0", optional = true }
 tonic-health = { version = "0.11.0", optional = true }
 tonic-reflection = { version = "0.11.0", optional = true }
 tokio-stream = { version = "0.1.14", optional = true }
-cudarc = { workspace = true }
+
+# Optional
+cudarc = { workspace = true, optional = true }
 
 # Malloc trim hack for linux
 [target.'cfg(target_os = "linux")'.dependencies]