- name: Update Rust Toolchains
  become: true
  become_user: '{{ user.key }}'
  ansible.builtin.command:
    argv:
      - '/home/{{ user.key }}/.cargo/bin/rustup'
      - update
      - '{{ item }}'
  loop: '{{ rust_toolchains }}'
  register: rustup_update
  changed_when: '"unchanged" not in rustup_update.stdout'