No lock file found. Updating dependencies instead of installing from lock file. Use composer update over composer install if you do not have a lock file.
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Updating dependencies
Lock file operations: 1 install, 0 updates, 0 removals
  - Locking tornevall/tornelib-php-crypto (6.0.27)
Writing lock file
Installing dependencies from lock file (including require-dev)
Package operations: 1 install, 0 updates, 0 removals
  - Syncing tornevall/tornelib-php-crypto (6.0.27) into cache
  - Installing tornevall/tornelib-php-crypto (6.0.27): Cloning f8582e75d7 from cache
Generating autoload files
Unit tor.service could not be found.