OOM crash in the middle of long build (exit 137)

[srid]

While https://github.com/juspay/nix-common was building, and the browser streaming the logs:

[srid]

Accumulated log,

❯  tail -20 state/workspace/nix-common/31/output.log
       > Preprocessing library for hls-change-type-signature-plugin-2.3.0.0..
       > Building library for hls-change-type-signature-plugin-2.3.0.0..
       > [1 of 1] Compiling Ide.Plugin.ChangeTypeSignature ( src/Ide/Plugin/ChangeTypeSignature.hs, dist/build/Ide/Plugin/ChangeTypeSignature.o, dist/build/Ide/Plugin/ChangeTypeSignature.dyn_o )
       > [1 of 1] Compiling Ide.Plugin.ChangeTypeSignature ( src/Ide/Plugin/ChangeTypeSignature.hs, dist/build/Ide/Plugin/ChangeTypeSignature.p_o )
       > haddockPhase
       > Preprocessing library for hls-change-type-signature-plugin-2.3.0.0..
       > Running Haddock on library for hls-change-type-signature-plugin-2.3.0.0..
       > Warning: The documentation for the following packages are not installed. No
       > links will be generated to these packages: attoparsec-0.14.4,
       > attoparsec-0.14.4, data-array-byte-0.1.0.1, lsp-types-2.0.2.0
       > Warning: --source-* options are ignored when --hyperlinked-source is enabled.
       >   75% (  3 /  4) in 'Ide.Plugin.ChangeTypeSignature'
       >   Missing documentation for:
       >     descriptor (src/Ide/Plugin/ChangeTypeSignature.hs:35)
       > /nix/store/bbxdw4rgwwl3gnajri82yidr1nlsfskf-stdenv-linux/setup: line 1601:   516 Killed                  ./Setup haddock --html --hoogle --quickjump --hyperlink-source
       For full logs, run 'nix log /nix/store/wbgdganmbycl8n26x5lsqzxja0j7vnl9-hls-change-type-signature-plugin-2.3.0.0.drv'.
error: 1 dependencies of derivation '/nix/store/0s4wpzkg8z31vx35li22mdw159vpzdjm-haskell-language-server-2.3.0.0.drv' failed to build
error: 1 dependencies of derivation '/nix/store/dmblffbkjp49dlw192p9hg259lg0gdmx-example-simple.drv' failed to build
error: 1 dependencies of derivation '/nix/store/nhjrdbbr0fw1aiaaykdwjw7p125gad8b-devour-output.json.drv' failed to build
Error: `nix build` failed; exit code: Some(1)

[srid]

I can reproduce the build crash, but not vira crash.

Adding swap space helps in the interim.