Authorize check mode to register variable

tasks/tools.yml

@@ -4,11 +4,13 @@
   stat:
     path: /usr/local/bin/docker-machine
   register: dockermachine
+  check_mode: no
 
 - name: Check local version installed
   shell: set -o pipefail && docker-compose --version | sed 's|docker-compose version \([^ ,]*\).*|\1|'
   register: dockermachine_locver
   changed_when: false
+  check_mode: no
   when:
     - dockermachine.stat.exists
 
@@ -16,6 +18,7 @@
   shell: set -o pipefail && curl -s https://github.com/docker/machine/releases/latest | sed 's|.*tag/\(.*\)".*|\1|'
   register: dockermachine_ver
   changed_when: false
+  check_mode: no
 - name: "Retreive docker-machine version {{ dockermachine_ver.stdout }}"
   get_url:
     url: https://github.com/docker/machine/releases/download/{{ dockermachine_ver.stdout }}/docker-machine-{{ ansible_system }}-{{ ansible_machine }}
@@ -28,6 +31,7 @@
   shell: set -o pipefail && curl -s https://github.com/dhiltgen/docker-machine-kvm/releases/latest | sed 's|.*tag/\(.*\)".*|\1|'
   register: dockermachinekvm_ver
   changed_when: false
+  check_mode: no
 - name: Retreive docker-machine-driver-kvm
   get_url:
     url: https://github.com/dhiltgen/docker-machine-kvm/releases/download/{{ dockermachinekvm_ver.stdout }}/docker-machine-driver-kvm-{{ ansible_distribution | lower }}{{ ansible_distribution_major_version }}
@@ -48,6 +52,7 @@
 #  shell: set -o pipefail && curl -s https://github.com/scaleway/docker-machine-driver-scaleway/releases/latest | sed 's|.*tag/\(.*\)".*|\1|'
 #  register: dockermachinescw_ver
 #  changed_when: false
+#  check_mode: no
 #- name: Retreive docker-machine-driver-scaleway
 #  get_url:
 #    url: https://github.com/scaleway/docker-machine-driver-scaleway/releases/download/{{ dockermachinescw_ver.stdout }}/docker-machine-driver-scaleway_{{ dockermachinescw_ver.stdout }}_{{ ansible_system | lower }}_{{ ansible_machine | regex_replace('x86_64', 'amd64')}}.tar.gz
@@ -61,11 +66,13 @@
   stat:
     path: /usr/local/bin/docker-compose
   register: dockercompose
+  check_mode: no
 
 - name: Check online version
   shell: set -o pipefail && curl -s https://github.com/docker/compose/releases/latest | sed 's|.*tag/\(.*\)".*|\1|'
   register: dockercompose_ver
   changed_when: false
+  check_mode: no
 
 - name: Retreive docker-compose
   get_url: