From 94922af899c7fcb23da730bd800e89dfd369f308 Mon Sep 17 00:00:00 2001
From: Han <tinghan0110@gmail.com>
Date: Tue, 18 Nov 2025 10:37:01 +0900
Subject: [PATCH] Enable OpenVM nightly features (#210)

---
 .github/workflows/test-zkvm-openvm.yml | 2 +-
 Cargo.toml                             | 3 ---
 crates/zkvm/openvm/Cargo.toml          | 2 +-
 docker/openvm/Dockerfile.base          | 3 +++
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/test-zkvm-openvm.yml b/.github/workflows/test-zkvm-openvm.yml
index c065b7c..a4e0bc5 100644
--- a/.github/workflows/test-zkvm-openvm.yml
+++ b/.github/workflows/test-zkvm-openvm.yml
@@ -14,4 +14,4 @@ jobs:
       packages: write
     with:
       zkvm: openvm
-      toolchain: 1.88.0
+      toolchain: nightly
diff --git a/Cargo.toml b/Cargo.toml
index b5af454..1d57b68 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -164,9 +164,6 @@ ere-build-utils = { path = "crates/build-utils" }
 ere-compile-utils = { path = "crates/compile-utils" }
 ere-test-utils = { path = "crates/test-utils" }
 
-[profile.dev.package.openvm-stark-backend]
-opt-level = 3
-
 [patch.crates-io]
 # These patches are only needed by Jolt
 ark-ff = { git = "https://github.com/a16z/arkworks-algebra", branch = "feat/fewer-reductions" }
diff --git a/crates/zkvm/openvm/Cargo.toml b/crates/zkvm/openvm/Cargo.toml
index c91598f..c2ae62a 100644
--- a/crates/zkvm/openvm/Cargo.toml
+++ b/crates/zkvm/openvm/Cargo.toml
@@ -16,7 +16,7 @@ toml.workspace = true
 openvm-build.workspace = true
 openvm-circuit.workspace = true
 openvm-continuations.workspace = true
-openvm-sdk.workspace = true
+openvm-sdk = { workspace = true, features = ["nightly-features"] }
 openvm-stark-sdk.workspace = true
 openvm-transpiler.workspace = true
 
diff --git a/docker/openvm/Dockerfile.base b/docker/openvm/Dockerfile.base
index e53e677..994d0a2 100644
--- a/docker/openvm/Dockerfile.base
+++ b/docker/openvm/Dockerfile.base
@@ -11,6 +11,9 @@ FROM base${CUDA:+_cuda}
 # The ere-base image provides Rust, Cargo, and common tools.
 # We operate as root for SDK installation.
 
+# Set default toolchain to nightly
+RUN rustup default nightly
+
 ARG CUDA
 
 # Default to build for RTX 50 series