I think this might've been caused by https://github.com/wikimedia/mediawiki/commit/0e211c4f29d2f52a0962db69c026e4e76482cf3f
Test failure on Travis PHP 5.5 (reproduceable on PHP 7) https://travis-ci.org/wikimedia/mediawiki/builds/324919993 https://travis-ci.org/wikimedia/mediawiki/jobs/324919994
1) CommandTest::testInput Failed asserting that 81920 is identical to 1000000. /home/travis/build/wikimedia/mediawiki/tests/phpunit/includes/shell/CommandTest.php:172 /home/travis/build/wikimedia/mediawiki/maintenance/doMaintenance.php:94 FAILURES! Tests: 17117, Assertions: 97888, Failures: 1, Skipped: 23, Risky: 5.