Zephyr setup failure

.github/workflows/build.yml

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+# Copyright (c) 2024 Linaro LTD
+# SPDX-License-Identifier: Apache-2.0
+
+name: Build
+
+# Build the rust samples and tests using the current Zephyr.
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-22.04]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          path: zephyr-rust-lang
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.11
+
+      - name: Setup Zephyr project
+        uses: zephyrproject-rtos/action-zephyr-setup@v1
+        with:
+          app-path: zephyr-rust-lang
+          manifest-file-name: ci-manifest.yml
+          toolchains: arm-zephyr-eabi:riscv64-zephyr-elf
+
+      - name: Install Rust Targets
+        shell: bash
+        run: |
+          rustup target add riscv32i-unknown-none-elf
+          rustup target add riscv64imac-unknown-none-elf
+          rustup target add thumbv6m-none-eabi
+          rustup target add thumbv7em-none-eabi
+          rustup target add thumbv7m-none-eabi
+          rustup target add thumbv8m.main-none-eabi
+
+      - name: Build firmware
+        working-directory: zephyr-rust-lang
+        shell: bash
+        run: |
+          cargo --version
+
+          west twister -T samples -v --inline-logs --integration

.github/workflows/docs.yml

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+name: Generate and Preview Rust Docs
+
+on:
+  pull_request:
+    branches:
+      - main  # Only generate docs for PRs targeting main
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  generate-docs:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          path: zephyr-rust-lang
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.11
+
+      - name: Setup Zephyr project
+        uses: zephyrproject-rtos/action-zephyr-setup@v1
+        with:
+          app-path: zephyr-rust-lang
+          manifest-file-name: ci-manifest.yml
+          toolchains: arm-zephyr-eabi
+
+      - name: Install Rust Targets
+        shell: bash
+        run: |
+          rustup target add thumbv7em-none-eabi
+          rustup target add thumbv7m-none-eabi
+
+      - name: Setup cargo build
+        working-directory: zephyr-rust-lang
+        run: |
+          west build -b nrf52840dk/nrf52840 --cmake-only docgen
+          find . -type d -ls
+
+          #       - name: Build Rust documentation
+          # run: cargo doc --no-deps
+
+        #    - name: Deploy docs to GitHub Pages for pull requests
+        #      if: github.event_name == 'pull_request'
+        #      uses: peaceiris/actions-gh-pages@v3
+        #      with:
+        #        github_token: ${{ secrets.GITHUB_TOKEN }}
+        #        publish_dir: ./target/doc
+        #        publish_branch: gh-pages
+        #        publish_dir: ./target/doc
+        #        destination_dir: pr-${{ github.event.number }}
+        #
+        #    - name: Deploy docs to GitHub Pages for push to main
+        #      if: github.event_name == 'push'
+        #      uses: peaceiris/actions-gh-pages@v3
+        #      with:
+        #        github_token: ${{ secrets.GITHUB_TOKEN }}
+        #        publish_dir: ./target/doc
+        #        publish_branch: gh-pages

ci-manifest.yml

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+# Copyright (c) 2021 Nordic Semiconductor ASA
+# SPDX-License-Identifier: Apache-2.0
+
+# Although this normally lives as a module, the local CI uses action-zephyr-setup which wants the
+# application to have a manifest.
+
+manifest:
+  remotes:
+    - name: zephyrproject-rtos
+      url-base: https://github.com/zephyrproject-rtos
+
+  projects:
+    - name: zephyr
+      remote: zephyrproject-rtos
+      revision: main
+      import:
+        # By using name-allowlist we can clone only the modules that are
+        # strictly needed by the application.
+        name-allowlist:
+          - cmsis      # required by the ARM port
+          - hal_nordic # required by the custom_plank board (Nordic based)
+          - hal_stm32  # required by the nucleo_f302r8 board (STM32 based)

docgen/CMakeLists.txt

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+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.20.0)
+
+find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
+
+project(hello_rust_world)
+rust_cargo_application()

docgen/Cargo.toml

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+# Copyright (c) 2024 Linaro LTD
+# SPDX-License-Identifier: Apache-2.0
+
+[package]
+# This must be rustapp for now.
+name = "rustapp"
+version = "0.1.0"
+edition = "2021"
+description = "A sample hello world application in Rust"
+license = "Apache-2.0 or MIT"
+
+[lib]
+crate-type = ["staticlib"]
+
+[dependencies]
+zephyr = "0.1.0"

docgen/prj.conf

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+# Copyright (c) 2024 Linaro LTD
+# SPDX-License-Identifier: Apache-2.0
+
+CONFIG_RUST=y

docgen/src/lib.rs

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+// Copyright (c) 2024 Linaro LTD
+// SPDX-License-Identifier: Apache-2.0
+
+#![no_std]
+
+use zephyr::printkln;
+
+// Reference the Zephyr crate so that the panic handler gets used.  This is only needed if no
+// symbols from the crate are directly used.
+extern crate zephyr;
+
+#[no_mangle]
+extern "C" fn rust_main() {
+    printkln!("Hello world from Rust on {}",
+              zephyr::kconfig::CONFIG_BOARD);
+}