diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 204d7dea2..a3287c03a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -15,7 +15,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.9
+        continue-on-error: true
       - uses: actions/checkout@v3
         with:
           submodules: 'true'
@@ -32,7 +33,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Run sccache-cache
-        uses: mozilla-actions/sccache-action@v0.0.3
+        uses: mozilla-actions/sccache-action@v0.0.9
+        continue-on-error: true
       - uses: actions/checkout@v3
         with:
           submodules: 'true'
@@ -44,14 +46,6 @@ jobs:
         env:
           SCCACHE_GHA_ENABLED: "true"
           RUSTC_WRAPPER: "sccache"
-  build-prouter:
-    name: Build prouter
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          submodules: 'true'
-      - uses: ./.github/actions/build-prouter
   build-contracts:
     name: Build contracts
     runs-on: ubuntu-latest
diff --git a/crates/sgx-attestation/src/dcap.rs b/crates/sgx-attestation/src/dcap.rs
index 07313257c..25d20d15e 100644
--- a/crates/sgx-attestation/src/dcap.rs
+++ b/crates/sgx-attestation/src/dcap.rs
@@ -167,7 +167,7 @@ pub fn verify(
                 continue;
             }
 
-            tcb_status = tcb_level.tcb_status.clone();
+            tcb_status.clone_from(&tcb_level.tcb_status);
             tcb_level
                 .advisory_ids
                 .iter()
diff --git a/crates/sgx-attestation/src/dcap/quote.rs b/crates/sgx-attestation/src/dcap/quote.rs
index 56e60840d..f92ecff4e 100644
--- a/crates/sgx-attestation/src/dcap/quote.rs
+++ b/crates/sgx-attestation/src/dcap/quote.rs
@@ -37,6 +37,7 @@ pub struct Header {
 #[derive(Decode, Debug)]
 pub struct Body {
     pub body_type: u16,
+    #[allow(dead_code)]
     pub size: u32,
 }
 
diff --git a/dockerfile.d/01_apt.sh b/dockerfile.d/01_apt.sh
index b2c77a72e..c47740356 100644
--- a/dockerfile.d/01_apt.sh
+++ b/dockerfile.d/01_apt.sh
@@ -49,7 +49,7 @@ apt install -y apt-utils \
  ocamlbuild \
  pkg-config \
  protobuf-compiler \
- python \
+ python-is-python3 \
  texinfo \
  llvm \
  clang \