This flag was shipped in postgresql 9.5 and we are using 9.4 right now (detected on Travis logs: https://travis-ci.org/github/coopdevs/timeoverflow/builds/749899949#L476).
This flag was shipped in postgresql 9.5 and we are using 9.4 right now (detected on Travis logs: https://travis-ci.org/github/coopdevs/timeoverflow/builds/749899949#L476).

Taking a look to the structure.sql file, it seems it was generated using postgresql 9.5 (https://github.com/coopdevs/timeoverflow/pull/465/commits/e09469ce1aae16b0728fdeb3c3f86ecbdd61217d#diff-1dd5a8f580b9615769ddc19a64a98f455d9d20eb149c443f41d9d3c797d39b12R5), so maybe at some point we should fix this situation (a dump from current production?).

coopdevs/timeoverflow,coopdevs/timeoverflow,coopdevs/timeoverflow,coopdevs/timeoverflow