fix: don't panic when eval_origin is None #3208

Job	Run time
compute-jobs	14s
build-linux / linux lint	48s
build-linux / linux lint-deps	1m 48s
build-linux / linux test-ops	6m 1s
build-linux / linux coverage	3m 17s
build-linux / linux test-publish	1m 41s
build-linux / linux test	3m 29s
build-linux / linux test-miri	5m 56s
build-linux-arm / linux-arm test	6m 42s
build-linux-arm / linux-arm test-miri	11m 13s
build-linux-arm / linux-arm lint	4m 30s
build-linux-xl / linux-xl test-valgrind	13m 40s
build-macos / macos lint	59s
build-macos / macos test	2m 44s
build-windows / windows lint	3m 56s
build-windows / windows test	5m 46s
success	1s
	1h 12m 45s

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