Rust

Track position where normalization failed #120

Job	Run time
docs	14s
get-package-info	7s
regen	8s
bench-lints	14s
lints	55s
build_test (ubuntu-latest, stable)	27s
build_test (ubuntu-latest, 1.36)	3m 2s
build_test (windows-latest, 1.36)	3m 7s
build_test (windows-latest, stable)	1m 1s
build_test (ubuntu-latest, nightly)	22s
build_test (windows-latest, beta)	1m 24s
build_test (ubuntu-latest, beta)	23s
build_test (windows-latest, nightly)	50s
	12m 14s

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