diff --git a/.github/actions/run_tests/action.yml b/.github/actions/run_tests/action.yml
index de5eadb61a..1ea51a06a6 100644
--- a/.github/actions/run_tests/action.yml
+++ b/.github/actions/run_tests/action.yml
@@ -19,16 +19,12 @@ runs:
 
     - name: Limit target directory size
       shell: bash -euxo pipefail {0}
-      run: script/clear-target-dir-if-larger-than 70
+      run: script/clear-target-dir-if-larger-than 100
 
     - name: Run check
-      env:
-        RUSTFLAGS: -D warnings
       shell: bash -euxo pipefail {0}
       run: cargo check --tests --workspace
 
     - name: Run tests
-      env:
-        RUSTFLAGS: -D warnings
       shell: bash -euxo pipefail {0}
       run: cargo nextest run --workspace --no-fail-fast
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 65475a41b9..208d538976 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -23,6 +23,9 @@ jobs:
       - self-hosted
       - test
     steps:
+      - name: Set up default .cargo/config.toml
+        run: printf "[build]\nrustflags = [\"-D\", \"warnings\"]" > $HOME/.cargo/config.toml
+
       - name: Checkout repo
         uses: actions/checkout@v3
         with:
@@ -87,7 +90,7 @@ jobs:
           submodules: "recursive"
 
       - name: Limit target directory size
-        run: script/clear-target-dir-if-larger-than 70
+        run: script/clear-target-dir-if-larger-than 100
 
       - name: Determine version and release channel
         if: ${{ startsWith(github.ref, 'refs/tags/v') }}
diff --git a/.github/workflows/release_nightly.yml b/.github/workflows/release_nightly.yml
index 447e928866..7b08c52c61 100644
--- a/.github/workflows/release_nightly.yml
+++ b/.github/workflows/release_nightly.yml
@@ -79,7 +79,7 @@ jobs:
           submodules: "recursive"
 
       - name: Limit target directory size
-        run: script/clear-target-dir-if-larger-than 70
+        run: script/clear-target-dir-if-larger-than 100
 
       - name: Set release channel to nightly
         run: |