feat: no_std CI integration

.github/scripts/check_no_std.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -eo pipefail
+
+# List of no_std packages
+no_std_packages=(
+    reth-db
+    reth-network-peers
+)
+
+# Loop through each package and check it for no_std compliance
+for package in "${no_std_packages[@]}"; do
+  cmd="cargo +stable check -p $package --no-default-features"
+
+  if [ -n "$CI" ]; then
+    echo "::group::$cmd"
+  else
+    printf "\n%s:\n  %s\n" "$package" "$cmd"
+  fi
+
+  $cmd
+
+  if [ -n "$CI" ]; then
+    echo "::endgroup::"
+  fi
+done

.github/workflows/lint.yml

@@ -45,6 +45,21 @@ jobs:
         env:
           RUSTFLAGS: -D warnings
 
+  no-std:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          target: riscv32imac-unknown-none-elf
+      - uses: taiki-e/install-action@cargo-hack
+      - uses: Swatinem/rust-cache@v2
+        with:
+          cache-on-failure: true
+      - name: Run no_std checks
+        run: .github/scripts/check_no_std.sh
+
   crate-checks:
     runs-on: ubuntu-latest
     timeout-minutes: 30
@@ -149,7 +164,15 @@ jobs:
     name: lint success
     runs-on: ubuntu-latest
     if: always()
-    needs: [clippy-binaries, clippy, crate-checks, docs, fmt, book, codespell, grafana]
+    needs:
+      - clippy-binaries
+      - clippy
+      - crate-checks
+      - docs
+      - fmt
+      - book
+      - codespell
+      - grafana
     timeout-minutes: 30
     steps:
       - name: Decide whether the needed jobs succeeded or failed