feat: set rust toolchain version to 1.72

Rust version 1.73.0 introduced new warnings, and made some dispatcher tests start failing. Pining the Rust version will allow the CI checks to pass and postpone the need to update the Rust codebase.
cartesi · Oct 25, 2023 · e963199 · e963199
1 parent a04ef9a
commit e963199
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diff --git a/.github/workflows/rust-code-quality.yml b/.github/workflows/rust-code-quality.yml
@@ -4,8 +4,8 @@ name: Assess Rust code quality
 on:
   push:
     paths:
-      - '.github/workflows/rust-code-quality.yml'
-      - 'offchain/**'
+      - ".github/workflows/rust-code-quality.yml"
+      - "offchain/**"
 
 jobs:
   assess-rust-code-quality:
@@ -33,18 +33,21 @@ jobs:
       - name: Install protoc
         run: sudo apt update && sudo apt install -y protobuf-compiler libprotobuf-dev
 
-      - name: Update rust
-        run: rustup update
-
       - name: Install cargo-machete
         run: cargo install cargo-machete
         continue-on-error: true
 
       - name: Analyze dependencies
         run: cargo machete .
 
+      - name: Install rustfmt
+        run: rustup component add rustfmt
+
       - name: Check code format
         run: cargo fmt --all -- --check
 
+      - name: Install clippy
+        run: rustup component add clippy
+
       - name: Run linter
         run: cargo clippy -- -A clippy::module_inception
diff --git a/offchain/rust-toolchain.toml b/offchain/rust-toolchain.toml
@@ -0,0 +1,2 @@
+[toolchain]
+channel = "1.72"