feat: Don't enable coreml on bencher by default

Author: uttarayan21

flake.nix

@@ -220,6 +220,7 @@
                   rust-bindgen
                   google-cloud-sdk
                   rustToolchainWithRustAnalyzer
+                  mnn
                 ]
                 ++ (
                   lib.optionals pkgs.stdenv.isLinux [

mnn-sync/src/lib.rs

@@ -390,7 +390,7 @@ impl SessionHandle {
         let f = f;
         let (tx, rx) = oneshot::channel();
         let wrapped_f = move |sr: &mut SessionRunner| -> Result<()> {
-            let result = f(sr)?;
+            let result = f(sr);
             tx.send(result)
                 .change_context(ErrorKind::SyncError)
                 .attach_printable("Internal Error: Failed to send result via oneshot channel")?;

tools/bencher/Cargo.toml

@@ -5,7 +5,7 @@ edition = "2021"
 license.workspace = true
 
 [target."aarch64-apple-darwin".dependencies]
-mnn = { workspace = true, features = ["opencl", "serde", "metal", "coreml"] }
+mnn = { workspace = true, features = ["opencl", "serde", "metal"] }
 
 [target."x86_64-apple-darwin".dependencies]
 mnn = { workspace = true, features = ["opencl", "serde"] }