Intermittent failure in hang_monitor_tests

[jdm]

     Running target/debug/deps/hang_monitor_tests-d923c72bc20a525c
running 3 tests
Enabling profiler.
Disabling profiler.
Resolving 1/10
Resolving 2/10
Resolving 3/10
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Resolving 10/10
test test_sampler ... ok
error: process didn't exit successfully: `/home/travis/build/servo/servo/target/debug/deps/hang_monitor_tests-d923c72bc20a525c` (signal: 27)
The command "./mach test-unit" exited with 101.

[pshaughn]

Could this have been #24984? (Do we have some way to go through test logs to see whether intermittents stopped happening?)

[jdm]

Issues like this one which do not affect WPT tests only get recorded manually. As far as I know we only saw this last april and may in two different pull requests.

[SimonSapin]

Occurred in a daily task: https://community-tc.services.mozilla.com/tasks/O7bkuKN6RF-LRf5vfgwBZQ/runs/0/logs/https%3A%2F%2Fcommunity-tc.services.mozilla.com%2Fapi%2Fqueue%2Fv1%2Ftask%2FO7bkuKN6RF-LRf5vfgwBZQ%2Fruns%2F0%2Fartifacts%2Fpublic%2Flogs%2Flive.log#L2347