fix: fixes release pipeline due bump in rust version (#351)

* fix: fix broken release pipeline due to bump in rustc / warnings

* fix: fix broken release pipeline for building aws crate dep

.github/workflows/release.yml

@@ -12,6 +12,7 @@ on:
 env:
   REPO_NAME: ${{ github.repository_owner }}/era-test-node
   CARGO_TERM_COLOR: always
+  RUSTFLAGS: ""
 
 jobs:
   extract-version:
@@ -60,6 +61,8 @@ jobs:
       # ==============================
 
       - name: Install cross v0.2.4 from source
+        env:
+          RUSTFLAGS: ""
         run: |
           cargo install cross --git https://github.com/cross-rs/cross --tag v0.2.4
 

Cross.toml

@@ -5,5 +5,8 @@ pre-build = [
     "export DEBIAN_FRONTEND=noninteractive",
     "export TZ=Etc/UTC",
     "dpkg --add-architecture $CROSS_DEB_ARCH",
-    "apt update -q && apt upgrade -yq && apt install --assume-yes --no-install-recommends libclang-10-dev clang-10 cmake build-essential pkg-config libssl-dev:$CROSS_DEB_ARCH libsasl2-dev llvm-dev gnutls-bin"
+    "apt update -q && apt upgrade -yq && apt install --assume-yes --no-install-recommends libclang-10-dev clang-10 cmake build-essential pkg-config libssl-dev:$CROSS_DEB_ARCH libsasl2-dev llvm-dev gnutls-bin",
+    "apt install -y gcc-10 g++-10",
+    "update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-10 10",
+    "update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-10 10"
 ]