ActiveRecord::StatementInvalid: PG::InvalidTextRepresentation: ERROR: invalid input syntax for integer: "job_canceled"

https://sentry.gitlab.net/gitlab/gitlabcom/issues/2594196/?referrer=gitlab_plugin

PG::InvalidTextRepresentation: ERROR:  invalid input syntax for integer: "job_canceled"
LINE 1: ... AND "ci_build_pending_states"."failure_reason" = 'job_cance...
                                                             ^

  active_record/connection_adapters/postgresql_adapter.rb:675:in `exec_params'
    @connection.exec_params(sql, type_casted_binds)
  active_record/connection_adapters/postgresql_adapter.rb:675:in `block (2 levels) in exec_no_cache'
    @connection.exec_params(sql, type_casted_binds)
  active_support/dependencies/interlock.rb:48:in `block in permit_concurrent_loads'
    yield
  active_support/concurrency/share_lock.rb:187:in `yield_shares'
    yield
  active_support/dependencies/interlock.rb:47:in `permit_concurrent_loads'
    @lock.yield_shares(compatible: [:load]) do
...
(226 additional frame(s) were not displayed)

ActiveRecord::StatementInvalid: PG::InvalidTextRepresentation: ERROR:  invalid input syntax for integer: "job_canceled"
LINE 1: ... AND "ci_build_pending_states"."failure_reason" = 'job_cance...
                                                             ^

Created by @grzesiek, /cc @ayufan @steveazz