diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
index 8ddd129..c4c66d1 100644
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -3,8 +3,8 @@
 <!--  Include a summary of the change.
       Please also include relevant motivation and context. -->
 
-<!-- Link the issue which will be fixed (if any) here: -->
-<!-- Fixes # -->
+<!--  Link the issue which will be fixed (if any) here: -->
+<!--  Fixes # -->
 
 ## Type of change
 
diff --git a/.github/workflows/code_tests_and_checks.yml b/.github/workflows/code_tests_and_checks.yml
index 3971aaf..c058cc1 100644
--- a/.github/workflows/code_tests_and_checks.yml
+++ b/.github/workflows/code_tests_and_checks.yml
@@ -1,5 +1,5 @@
 ---
-name: Code / Tests and Checks
+name: Code / Tests & Checks
 
 on: # yamllint disable-line rule:truthy
   workflow_dispatch:
diff --git a/.github/workflows/generic_code_executor.yml b/.github/workflows/generic_code_executor.yml
index 90819e4..dccab40 100644
--- a/.github/workflows/generic_code_executor.yml
+++ b/.github/workflows/generic_code_executor.yml
@@ -3,18 +3,25 @@ name: Generic Executor
 on:
   workflow_call:
     inputs:
+      # Set to true if you need `qemu`.
       install-qemu:
         required: false
         type: boolean
         default: false
+
+      # Set to true if you need `sccache`.
       install-sccache:
         required: false
         type: boolean
         default: false
+
+      # Set to true if you need `cargo-audit`.
       install-cargo-audit:
         required: false
         type: boolean
         default: false
+
+      # Provide a command that is run in the end.
       command:
         required: true
         type: string
@@ -29,14 +36,20 @@ defaults:
 
 jobs:
   generic-execute:
-    name: 'Execute'
+    name: Run
     runs-on: ubuntu-22.04
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Install Rust
-        run: sudo ../misc/scripts/install_rust_and_mold.sh
+      - name: Install Rust and mold
+        run: |
+          sudo ../misc/scripts/install_rust_and_mold.sh
+
+          source "${HOME}/.cargo/env"
+          cargo --version
+          rustc --version
+          mold --version
 
       - name: Install QEMU
         if: inputs.install-qemu
@@ -52,29 +65,24 @@ jobs:
       - name: Setup sccache
         if: inputs.install-sccache
         run: |
-          sccache --version
           echo 'SCCACHE_GHA_ENABLED=true' >>"${GITHUB_ENV}"
           echo 'RUSTC_WRAPPER=sccache' >>"${GITHUB_ENV}"
+          sccache --version
 
-      - name: Print version information of build tools
-        run: |
-          cargo --version
-          rustc --version
-          mold --version
-
-      - name: Install `cargo audit`
+      - name: Install cargo-audit
         if: inputs.install-cargo-audit
         run: |
           cargo install cargo-audit
           cargo-audit --version
 
-      - name: Run command
+      - name: Run command (with `sccache`)
         if: inputs.install-sccache
         env:
           SCCACHE_GHA_ENABLED: 'true'
           RUSTC_WRAPPER: sccache
         run: ${{ inputs.command }}
 
-      - name: Run command
+      - name: Run command (without `sccache`)
+          # we need the `${{ }}` here because `!` is reserved in YAML
         if: ${{ ! inputs.install-sccache }}
         run: ${{ inputs.command }}
diff --git a/code/rust-toolchain.toml b/code/rust-toolchain.toml
index 4702661..5abf879 100644
--- a/code/rust-toolchain.toml
+++ b/code/rust-toolchain.toml
@@ -11,6 +11,6 @@
 # General information about the keys below can be found under
 # https://rust-lang.github.io/rustup/concepts/index.html
 [toolchain]
-channel = 'nightly-2024-01-13'
+channel = 'nightly-2024-01-19'
 components = [ 'cargo', 'rustc', 'rust-std', 'clippy', 'rustfmt' ]
 targets = ['riscv64gc-unknown-none-elf']