Output from 'drush cc all' after downloading missing Drupal modules

gistfile1.txt

root@58c07f47d6d9:/var/www/html/sites/default# drush cc all
The following module is missing from the file system: <em class="placeholder">dg7</em>. For information about how to fix this, see <a href="https://www.drupal.org/node/2487215">the documentation[warning]
page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">idu</em>. For information about how to fix this, see <a href="https://www.drupal.org/node/2487215">the documentation[warning]
page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">ihc</em>. For information about how to fix this, see <a href="https://www.drupal.org/node/2487215">the documentation[warning]
page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">islandora_binary_object</em>. For information about how to fix this, see <a                                         [warning]
href="https://www.drupal.org/node/2487215">the documentation page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">islandora_collection_search</em>. For information about how to fix this, see <a                                     [warning]
href="https://www.drupal.org/node/2487215">the documentation page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">islandora_google_scholar</em>. For information about how to fix this, see <a                                        [warning]
href="https://www.drupal.org/node/2487215">the documentation page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">islandora_mods_display</em>. For information about how to fix this, see <a                                          [warning]
href="https://www.drupal.org/node/2487215">the documentation page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">islandora_oralhistories</em>. For information about how to fix this, see <a                                         [warning]
href="https://www.drupal.org/node/2487215">the documentation page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">islandora_pdfjs_reader</em>. For information about how to fix this, see <a                                          [warning]
href="https://www.drupal.org/node/2487215">the documentation page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">islandora_solr_collection_view</em>. For information about how to fix this, see <a                                  [warning]
href="https://www.drupal.org/node/2487215">the documentation page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">ldap_servers</em>. For information about how to fix this, see <a href="https://www.drupal.org/node/2487215">the     [warning]
documentation page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">maillog</em>. For information about how to fix this, see <a href="https://www.drupal.org/node/2487215">the          [warning]
documentation page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">phpexcel</em>. For information about how to fix this, see <a href="https://www.drupal.org/node/2487215">the         [warning]
documentation page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">r4032login</em>. For information about how to fix this, see <a href="https://www.drupal.org/node/2487215">the       [warning]
documentation page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">smtp</em>. For information about how to fix this, see <a href="https://www.drupal.org/node/2487215">the             [warning]
documentation page</a>. bootstrap.inc:1156
The following module is missing from the file system: <em class="placeholder">transcripts_ui</em>. For information about how to fix this, see <a href="https://www.drupal.org/node/2487215">the   [warning]
documentation page</a>. bootstrap.inc:1156
'all' cache was cleared.