linux ci: add swap + -j2 to fix week-long OOM (exit 143)#88
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…a week The GitHub-hosted nightly-linux has failed every day for 8+ days, across many commits predating any recent work — all exit 143 (SIGTERM/OOM). Firefox is too big for the 16GB standard runner without swap. Same fix that got the Windows lane past its OOM wall: 24G swapfile (ubuntu leg; fedora runs in a container where swapon isn't available) + cap mach at -j2 so concurrent heavy TUs don't exhaust RAM. The sovereign builder (32c/128GB) stays at full parallelism.
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The GitHub-hosted
nightly-linuxhas failed every day for 8+ days, across many commits predating any recent work — all exit 143 (SIGTERM/OOM). Firefox doesn't fit the 16GB standard runner without swap.Same medicine that pushed the Windows lane past its OOM wall:
swaponisn't available)./mach build -j2so concurrent heavy translation units don't exhaust RAMThe sovereign builder (32c/128GB) is unaffected — it builds Linux at full parallelism in ~20 min. This only hardens the convenience CI lane.