diff --git a/.github/workflows/prepare-release.yml b/.github/workflows/prepare-release.yml
index 55ce5850..b956b304 100644
--- a/.github/workflows/prepare-release.yml
+++ b/.github/workflows/prepare-release.yml
@@ -44,6 +44,8 @@ jobs:
 
       - name: Install Rust-Cache for Github actions
         uses: Swatinem/rust-cache@v1
+        with:
+          working-directory: ${{ env.RUST_DIR }}
 
       - name: Install `quickinstall`
         uses: actions-rs/cargo@v1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 68206a7d..15064353 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -39,6 +39,8 @@ jobs:
 
       - name: Install Rust-Cache for Github actions
         uses: Swatinem/rust-cache@v1
+        with:
+          working-directory: ${{ env.RUST_DIR }}
 
       - name: Install `quickinstall`
         uses: actions-rs/cargo@v1
@@ -67,7 +69,7 @@ jobs:
           override: true
 
       - name: Rust publish
-        working-directory: ${{ env.RUST_DIR }}/modelator
+        working-directory: ${{ env.RUST_DIR }}
         run: |
           cargo publish --token ${{ secrets.CRATES_IO_TOKEN }}
 
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index f2762a81..adad0de0 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -38,6 +38,8 @@ jobs:
           toolchain: stable
           override: true
       - uses: Swatinem/rust-cache@v1
+        with:
+          working-directory: rs
       - uses: actions-rs/cargo@v1
         with:
           command: test
@@ -45,7 +47,7 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: test
-          args: --manifest-path rs/Cargo.toml -- --test-threads=1
+          args: --manifest-path rs/Cargo.toml
       - name: Setup tmate session
         if: ${{ failure() }}
         uses: mxschmitt/action-tmate@v3
@@ -64,6 +66,8 @@ jobs:
           toolchain: stable
           override: true
       - uses: Swatinem/rust-cache@v1
+        with:
+          working-directory: rs
       - run: rustup component add rustfmt
       - uses: actions-rs/cargo@v1
         with:
@@ -81,6 +85,8 @@ jobs:
           toolchain: stable
           override: true
       - uses: Swatinem/rust-cache@v1
+        with:
+          working-directory: rs
       - uses: actions-rs/cargo@v1
         with:
           command: doc
@@ -97,6 +103,8 @@ jobs:
           toolchain: stable
           override: true
       - uses: Swatinem/rust-cache@v1
+        with:
+          working-directory: rs
       - run: rustup component add clippy
       - uses: actions-rs/cargo@v1
         with: