coq-rewriter-perf-SuperFast.dev failing in coq bench

[SkySkimmer]

example log https://coq.gitlabpages.inria.fr/-/coq/-/jobs/5098564/artifacts/_bench/logs/coq-rewriter-perf-SuperFast.NEW.opam_install.1.stdout.log
contents https://gist.github.com/SkySkimmer/1781b418899354ded0a41ab668b167a4
error message

- ROCQ compile src/Rewriter/Util/plugins/Ltac2Extra.v
- While loading initial state:
- Warning: Native compiler is disabled, -native-compiler ondemand option
- ignored. [native-compiler-disabled,native-compiler,default]
- File "./src/Rewriter/Util/plugins/Ltac2Extra.v", line 3, characters 0-45:
- Error:
- System error: "src/Rewriter/Util/plugins/././ltac2_extra_plugin.cmxs: No such file or directory"
- 
- Command exited with non-zero status 1

coq-rewriter succeeded in the same bench
ci-rewriter in Coq CI works fine (example https://gitlab.inria.fr/coq/coq/-/jobs/5099579) (it just does make https://github.com/coq/coq/blob/c280b340b8d44371aad663fec29442413c172607/dev/ci/ci-rewriter.sh#L13)

I don't know the differences well, any idea what's going on?

[JasonGross]

Bizarre. The relevant target is defined

rewriter/src/Rewriter/Rewriter/Examples/PerfTesting/Makefile.variables

Lines 52 to 56 in 1e36197

	$$($(1)_PERF_LOGS) : %.log : %.v $(PERF_DIR)/$(1).vo
	.PHONY: perf-$(1)
	perf-$(1):: $($(1)_PERF_LOGS)
	endef

I believe, so is just equivalent to attempting to make particular vo files. Is the dependency of .vo files on the .cmxs file not getting correctly registered? Has the mechanism of storing / using the dependencies changed since the last time the bench succeeded? (Presumably coq-rewriter would also fail with -j100, and it just so happens that the files are made in the right order?)

[SkySkimmer]

Running locally I see in .Makefile-old.d

src/Rewriter/Util/plugins/Ltac2Extra.vo src/Rewriter/Util/plugins/Ltac2Extra.glob src/Rewriter/Util/plugins/Ltac2Extra.v.beautified src/Rewriter/Util/plugins/Ltac2Extra.required_vo: src/Rewriter/Util/plugins/Ltac2Extra.v /home/gaetan/dev/coq/coq/_build/install/default/lib/rocq-runtime/plugins/cc_core/cc_core_plugin$(DYNLIB) /home/gaetan/dev/coq/coq/_build/install/default/lib/rocq-runtime/plugins/ltac2/ltac2_plugin$(DYNLIB) src/Rewriter/Util/plugins/ltac2_extra_plugin$(DYNLIB) /home/gaetan/dev/coq/coq/_build/install/default/lib/coq-core/META /home/gaetan/dev/coq/coq/_build/install/default/lib/rocq-runtime/META /home/gaetan/dev/coq/coq/_build/install/default/lib/rocq-runtime/coqworker src/Rewriter/Util/plugins/META.coq-rewriter

ie it contains

src/Rewriter/Util/plugins/Ltac2Extra.vo src/Rewriter/Util/plugins/Ltac2Extra.required_vo: src/Rewriter/Util/plugins/ltac2_extra_plugin$(DYNLIB) src/Rewriter/Util/plugins/META.coq-rewriter

which seems correct