The rust version is specified as 1.81.0

Author: joii2020

.github/workflows/rust.yml

@@ -19,7 +19,7 @@ jobs:
     - name: Install llvm 16
       run: wget https://apt.llvm.org/llvm.sh && chmod +x llvm.sh && sudo ./llvm.sh 16 && rm llvm.sh
     - name: Install riscv64 target
-      run: rustup target add riscv64imac-unknown-none-elf
+      run: rustup target add riscv64imac-unknown-none-elf --toolchain 1.81.0
     - name: Install cargo generate
       run: cargo install cargo-generate
     - name: Generate workspace

rust-toolchain

@@ -0,0 +1 @@
+1.81.0

workspace/rust-toolchain

@@ -0,0 +1 @@
+1.81.0