diff --git a/.github/actions/criticalup-config/action.yml b/.github/actions/criticalup-config/action.yml
new file mode 100644
index 00000000..c1845058
--- /dev/null
+++ b/.github/actions/criticalup-config/action.yml
@@ -0,0 +1,110 @@
+# SPDX-FileCopyrightText: The Ferrocene Developers
+# SPDX-License-Identifier: MIT OR Apache-2.0
+
+---
+
+name: "Install criticalup"
+description: "Configure repo for criticalup use"
+inputs:
+  token:
+    description: The CriticalUp token to use (use a GHA Secret)
+    required: true
+  path:
+    description: The installation path
+    required: true
+  matrix:
+    description: Platforms to run on
+    required: true
+  runner:
+    description: OS to run
+    required: true
+
+runs:
+  using: composite
+  steps:
+
+    - name: Establish paths inside composite action
+      shell: bash
+      run: |
+        echo "pwd $(pwd)"
+        echo "input path: ${{ inputs.path }}"
+
+    - name: Download artifacts
+      uses: actions/download-artifact@v4
+      with:
+        name: criticalup-${{ matrix.target }}.${{ runner.os == 'Windows' && 'zip' || 'tar.xz' }}
+        path: ${{ inputs.path }}
+
+    - name: Unpack archive
+      shell: bash
+      if: ${{ runner.os == 'Windows' }}
+      working-directory: ${{ inputs.path }}
+      run: |
+        powershell -c "Expand-Archive criticalup-${{ matrix.target }}.zip"
+        echo "working-directory: ${{ github.workspace }}/${{ inputs.path }}"
+        mv criticalup-${{ matrix.target }}/criticalup.exe criticalup.exe
+
+    - name: Unpack archive and make executable
+      shell: bash
+      if: ${{ runner.os != 'Windows' }}
+      working-directory: ${{ inputs.path }}
+      run: |
+        tar xvf criticalup-${{ matrix.target }}.tar.xz
+        mv criticalup-${{ matrix.target }}/criticalup criticalup
+        chmod +x ./criticalup
+
+    - name: Auth Criticalup
+      shell: bash
+      working-directory: ${{ inputs.path }}
+      run: ./criticalup auth set $CRITICALUP_TOKEN
+
+    - name: Install toolchain
+      shell: bash
+      working-directory: ${{ inputs.path }}
+      run: |
+        ./criticalup install
+
+    - name: Create toolchain link
+      shell: bash
+      working-directory: ${{ inputs.path }}
+      run: |
+        ./criticalup link create
+
+    - name: Run `criticalup run` test workflow
+      shell: bash
+      working-directory: ${{ inputs.path }}
+      run: |
+        # We cannot run cargo init, it is an existing project
+        ./criticalup run -- cargo build
+        ./criticalup run -- cargo run --bin criticalup help
+        ./criticalup which rustc
+
+    # Windows allows the `.exe` or not at the users option.
+    - name: Run Windows exclusive commands
+      shell: bash
+      if: ${{ runner.os == 'Windows' }}
+      working-directory: ${{ inputs.path }}
+      run: |
+          ./criticalup.exe run -- cargo --version
+          ./criticalup run -- cargo.exe --version
+          ./criticalup.exe run -- cargo.exe --version
+
+    - name: Run `cargo +ferrocene` test workflow
+      shell: bash
+      working-directory: ${{ inputs.path }}
+      run: |
+        cargo +ferrocene build
+        cargo +ferrocene run --bin criticalup help
+
+    - name: Remove toolchain link
+      shell: bash
+      working-directory: ${{ inputs.path }}
+      run: |
+        ./criticalup link remove
+
+    - name: Run test cleanup workflow
+      shell: bash
+      working-directory: ${{ inputs.path }}
+      run: |
+        ./criticalup remove
+        ./criticalup clean
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e5f43821..f260756e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -74,74 +74,83 @@ jobs:
             ]
           EOF
 
-      - uses: actions/download-artifact@v4
-        with:
-          name: criticalup-${{ matrix.target }}.${{ runner.os == 'Windows' && 'zip' || 'tar.xz' }}
-          path: crab-boil
-
-      - name: Unpack archive
-        if: ${{ runner.os == 'Windows' }}
-        working-directory: crab-boil
+      - name: Establish paths inside workflow before calling action
+        shell: bash
         run: |
-          powershell -c "Expand-Archive criticalup-${{ matrix.target }}.zip"
-          mv criticalup-${{ matrix.target }}/criticalup.exe criticalup.exe
-
-      - name: Unpack archive and make executable
-        if: ${{ runner.os != 'Windows' }}
-        working-directory: crab-boil
-        run: |
-          tar xvf criticalup-${{ matrix.target }}.tar.xz
-          mv criticalup-${{ matrix.target }}/criticalup criticalup
-          chmod +x ./criticalup
-
-      - name: Auth Criticalup
-        working-directory: crab-boil
-        run: ./criticalup auth set $CRITICALUP_TOKEN
+          echo "pwd $(pwd)"
+          echo "github.workspace: ${{ github.workspace }}"
+          echo "runner.temp: ${{ runner.temp }}"
+          echo "GITHUB_WORKSPACE: $GITHUB_WORKSPACE"
+          echo "runner temp env variable $RUNNER_TEMP"
 
 
-      - name: Install toolchain
-        working-directory: crab-boil
-        run: |
-          ./criticalup install
-
-      - name: Create toolchain link
-        working-directory: crab-boil
-        run: |
-          ./criticalup link create
-
-      - name: Run `criticalup run` test workflow
-        working-directory: crab-boil
-        run: |
-          ./criticalup run -- cargo init
-          ./criticalup run -- cargo build
-          ./criticalup run -- cargo run
-          ./criticalup which rustc
-
-      # Windows allows the `.exe` or not, at the users option.
-      - name: Run Windows exclusive commands
-        if: ${{ runner.os == 'Windows' }}
-        working-directory: crab-boil
+      - name: Configure directory
+        uses: ./.github/actions/criticalup-config
+        with:
+          token: ${{ secrets.CRITICALUP_TOKEN }}
+          path: crab-boil
+          matrix: ${{ toJSON(matrix) }}
+          runner: ${{ toJSON(runner) }}
+          
+      - name: Establish paths inside workflow after calling action
+        shell: bash
         run: |
-            ./criticalup.exe run -- cargo --version
-            ./criticalup run -- cargo.exe --version
-            ./criticalup.exe run -- cargo.exe --version
+          echo "pwd $(pwd)"
+          echo "github.workspace: ${{ github.workspace }}"
+          echo "runner.temp: ${{ runner.temp }}"
+          echo "GITHUB_WORKSPACE: $GITHUB_WORKSPACE"
+          echo "runner temp env variable $RUNNER_TEMP"
 
-      - name: Run `cargo +ferrocene` test workflow
+      - name: Test criticalup is still installed current dir
         working-directory: crab-boil
+        run: ./criticalup help
+          
+      - name: Change toolchain and dir to test RA installation
+        shell: bash # bash necessary for heredocs
         run: |
-          cargo +ferrocene build
-          cargo +ferrocene run
+          mkdir poor-ferris 
+          cd poor-ferris
+          cat <<- EOF > criticalup.toml
+            manifest-version = 1
 
-      - name: Remove toolchain link
-        working-directory: crab-boil
+            [products.ferrocene]
+            release = "nightly-2026-01-29"
+            packages = [
+                "cargo-\${rustc-host}",
+                "rustc-\${rustc-host}",
+                "rust-std-\${rustc-host}",
+                "rust-analyzer-\${rustc-host}"
+            ]
+          EOF
+      - name: Rust-toolchain file
+        working-directory: poor-ferris
+        shell: bash
         run: |
-          ./criticalup link remove
+          cat <<- EOF > rust-toolchain.toml
+            [toolchain]
+            channel = "ferrocene"
+            components = ["cargo", "rustfmt", "clippy", "rust-analyzer"]
+            profile = "default"
+          EOF
 
-      - name: Run test cleanup workflow
-        working-directory: crab-boil
+      - name: Configure directory
+        uses: ./.github/actions/criticalup-config
+        with:
+          token: ${{ secrets.CRITICALUP_TOKEN }}
+          path: poor-ferris
+          matrix: ${{ toJSON(matrix) }}
+          runner: ${{ toJSON(runner) }}
+
+      - name: Test RA installation
+        shell: bash # bash necessary for heredocs
+        working-directory: poor-ferris
         run: |
-          ./criticalup remove
-          ./criticalup clean
+          echo ${{ github.workspace }}
+          ./criticalup install --reinstall
+          ./criticalup link create # linking rust-analyzer
+          ./criticalup which rust-analyzer
+          which rust-analyzer
+          rust-analyzer --version
 
   package:
     secrets: inherit
diff --git a/crates/criticalup-cli/tests/cli/binary_proxies.rs b/crates/criticalup-cli/tests/cli/binary_proxies.rs
index 214f658a..e2550e21 100644
--- a/crates/criticalup-cli/tests/cli/binary_proxies.rs
+++ b/crates/criticalup-cli/tests/cli/binary_proxies.rs
@@ -3,7 +3,6 @@
 
 use crate::assert_output;
 use crate::utils::TestEnvironment;
-use std::env;
 use std::io::Write;
 use std::path::{Path, PathBuf};
 use std::process::{Command, Stdio};