Errno::ENOENT: No such file or directory in instrumentation.rb
https://sentry.gitlap.com/gitlab/gitlabcom/issues/1825/
Errno::ENOENT: No such file or directory - chdir
lib/gitlab/metrics/instrumentation.rb:138:in `popen'
retval = #{send_signature}
lib/gitlab/metrics/instrumentation.rb:138:in `size'
retval = #{send_signature}
app/models/repository.rb:235:in `block in size'
cache.fetch(:size) { raw_repository.size }
lib/repository_cache.rb:19:in `fetch'
backend.fetch(cache_key(key), &block)
app/models/repository.rb:235:in `size'
cache.fetch(:size) { raw_repository.size }
...
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