Rust

Track position where normalization failed #122

Job	Run time
bench-lints	15s
docs	14s
get-package-info	10s
lints	47s
regen	15s
build_test (ubuntu-latest, nightly)	20s
build_test (ubuntu-latest, beta)	16s
build_test (ubuntu-latest, stable)	16s
build_test (windows-latest, 1.36)	30s
build_test (windows-latest, stable)	24s
build_test (ubuntu-latest, 1.36)	19s
build_test (windows-latest, nightly)	22s
build_test (windows-latest, beta)	28s
	4m 36s

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