I've seen this at least twice now, so it's definitely A Thing...
not ok 1046 parallel/test-util-sigint-watchdog
#
# assert.js:89
# throw new assert.AssertionError({
# ^
# AssertionError: false === true
# at Timeout.common.mustCall (/usr/home/iojs/build/workspace/node-test-commit-freebsd/nodes/freebsd10-64/test/parallel/test-util-sigint-watchdog.js:25:12)
# at Timeout._onTimeout (/usr/home/iojs/build/workspace/node-test-commit-freebsd/nodes/freebsd10-64/test/common.js:411:15)
# at tryOnTimeout (timers.js:232:11)
# at Timer.listOnTimeout (timers.js:202:5)
I've seen this at least twice now, so it's definitely A Thing...
https://ci.nodejs.org/job/node-test-commit-freebsd/3505/nodes=freebsd10-64/console:
/cc @addaleax