workflow bug fix

Author: Promin3

.github/workflows/build.yml

@@ -31,14 +31,6 @@ jobs:
     container:
       image: duskmoon/dev-env:rcore-ci
     steps:
-      - name: Remove Cargo proxy config
-        run: |
-          unset RUSTUP_DIST_SERVER
-          unset RUSTUP_UPDATE_ROOT
-          unset CARGO_HTTP_MULTIPLEXING
-          # 删除或重置全局配置
-          rm ${CARGO_HOME}/config.toml || true
-          rm -rf rm ${CARGO_HOME}/registry/* || true
       - uses: actions/checkout@v4
       - name: Run tests
         run: |

os/Makefile

@@ -35,7 +35,7 @@ build: env $(KERNEL_BIN)
 env:
 ifeq ($(OFFLINE),)
 	(rustup target list | grep "riscv64gc-unknown-none-elf (installed)") || rustup target add $(TARGET)
-	cargo install cargo-binutils --locked 
+	cargo install cargo-binutils 
 	rustup component add rust-src
 	rustup component add llvm-tools-preview
 endif