From d2bfa03104c8fc9c02d8334e4d7b7db01a1b309f Mon Sep 17 00:00:00 2001
From: "Mayeul@Zama" <mayeul.debellabre@zama.ai>
Date: Thu, 9 Mar 2023 15:55:14 +0100
Subject: [PATCH] chore(CI): use nightly rust

---
 .github/workflows/compiler_benchmark.yml            | 2 +-
 .github/workflows/compiler_build_and_test_gpu.yml   | 2 +-
 .github/workflows/compiler_macos_build_and_test.yml | 3 ++-
 .github/workflows/concrete_cpu_test.yml             | 9 ++++++---
 .github/workflows/ml_benchmark_subset.yml           | 2 +-
 compilers/concrete-compiler/compiler/CMakeLists.txt | 2 +-
 6 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/compiler_benchmark.yml b/.github/workflows/compiler_benchmark.yml
index 662a8e5f2..37e1d9ea1 100644
--- a/.github/workflows/compiler_benchmark.yml
+++ b/.github/workflows/compiler_benchmark.yml
@@ -86,7 +86,7 @@ jobs:
       - name: Install rust
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: nightly
           override: true
 
       - name: Build compiler benchmarks
diff --git a/.github/workflows/compiler_build_and_test_gpu.yml b/.github/workflows/compiler_build_and_test_gpu.yml
index 88f1d1d7d..285a7b19c 100644
--- a/.github/workflows/compiler_build_and_test_gpu.yml
+++ b/.github/workflows/compiler_build_and_test_gpu.yml
@@ -66,7 +66,7 @@ jobs:
       - name: Install rust
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: nightly
           override: true
 
       - name: Create build dir
diff --git a/.github/workflows/compiler_macos_build_and_test.yml b/.github/workflows/compiler_macos_build_and_test.yml
index e442c56a4..a35f26744 100644
--- a/.github/workflows/compiler_macos_build_and_test.yml
+++ b/.github/workflows/compiler_macos_build_and_test.yml
@@ -31,7 +31,8 @@ jobs:
       - name: Install rust
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: nightly
+          override: true
 
       - name: Install Deps
         run: |
diff --git a/.github/workflows/concrete_cpu_test.yml b/.github/workflows/concrete_cpu_test.yml
index e39544149..519a5473a 100644
--- a/.github/workflows/concrete_cpu_test.yml
+++ b/.github/workflows/concrete_cpu_test.yml
@@ -21,7 +21,9 @@ jobs:
       - name: Rust install
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: nightly
+          override: true
+          components: rustfmt, clippy
 
       - name: Download cargo cache
         uses: Swatinem/rust-cache@v2
@@ -54,7 +56,7 @@ jobs:
       - name: Tests
         run: |
           cd backends/concrete-cpu
-          cargo test --no-fail-fast --all-targets
+          cargo test --no-fail-fast --all-targets --features=nightly
 
       - name: Zig install
         run: |
@@ -75,7 +77,8 @@ jobs:
       - name: Rust install
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: nightly
+          override: true
 
       - name: Download cargo cache
         uses: Swatinem/rust-cache@v2
diff --git a/.github/workflows/ml_benchmark_subset.yml b/.github/workflows/ml_benchmark_subset.yml
index dfcd4ec16..c9e32a891 100644
--- a/.github/workflows/ml_benchmark_subset.yml
+++ b/.github/workflows/ml_benchmark_subset.yml
@@ -66,7 +66,7 @@ jobs:
       - name: Install rust
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: stable
+          toolchain: nightly
           override: true
 
       - name: Build compiler and ML benchmarks
diff --git a/compilers/concrete-compiler/compiler/CMakeLists.txt b/compilers/concrete-compiler/compiler/CMakeLists.txt
index fc4d94ace..25408c13c 100644
--- a/compilers/concrete-compiler/compiler/CMakeLists.txt
+++ b/compilers/concrete-compiler/compiler/CMakeLists.txt
@@ -117,7 +117,7 @@ ExternalProject_Add(
   DOWNLOAD_COMMAND ""
   CONFIGURE_COMMAND "" OUTPUT "${CONCRETE_CPU_STATIC_LIB}"
   BUILD_ALWAYS true
-  BUILD_COMMAND cargo build --release ${CONCRETE_CPU_FEATURES}
+  BUILD_COMMAND cargo +nightly build --release ${CONCRETE_CPU_FEATURES} --features=nightly
   BINARY_DIR "${CONCRETE_CPU_DIR}"
   INSTALL_COMMAND ""
   LOG_BUILD ON