attempt to fix musl

Author: sivukhin

.github/workflows/build.yml

@@ -67,15 +67,16 @@ jobs:
         shell: bash
         run: rm -rf libs && mkdir -p libs
 
+      - name: Set up Rust
+        if: matrix.container != 'alpine:latest'
+        uses: dtolnay/rust-toolchain@stable
+
       - name: Install musl tools for cross-compile
         if: matrix.build_musl == true
         run: |
           sudo apt-get update
-          sudo apt-get install -y musl-tools
-
-      - name: Set up Rust
-        if: matrix.container != 'alpine:latest'
-        uses: dtolnay/rust-toolchain@stable
+          sudo apt-get install -y musl-tools gcc-aarch64-linux-gnu
+          rustup target add aarch64-unknown-linux-musl
 
       - name: Add musl target
         if: matrix.build_musl == true