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kevinveenbirkenbachandClaude Opus 5
67b6072bb2
508669809 booked a budget SIGKILL as skipped so the job went green. That is a
soft-skip: a kill is indistinguishable from the command hanging, so it hid a
real failure behind a green tick.
Fail on it again, and prevent it upstream instead. A distro now starts only
while the remaining budget covers the slowest run so far plus 30%. Fediwall run
31756400129 shows why the bare comparison was not enough: max_seen=6770s against
remaining=6878s let the distro start, and it took 6942s, 64s past the deadline.
max_seen is the maximum of the durations already observed in the same sweep -
a small sample over distros of genuinely different weight, drawn in randomised
order, so it underestimates systematically.
Removing the soft-skip also removed its diagnosis, so a killed distro now
reports both numbers without claiming a cause: the run only knows the exit code
and how much budget was left when it started.
The suite drops from 85s to 4.1s. The 68s case made a process ignore SIGTERM to
force the -k escalation, which exercised coreutils rather than this script; the
124 path reaches the same branch in a second.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>