Rust

Track position where normalization failed #125

Job	Run time
get-package-info	7s
docs	13s
bench-lints	14s
regen	10s
lints	18s
build_test (ubuntu-latest, 1.36)	16s
build_test (ubuntu-latest, stable)	6s
build_test (ubuntu-latest, nightly)	14s
build_test (windows-latest, stable)	12s
build_test (windows-latest, 1.36)	9s
build_test (ubuntu-latest, beta)	13s
build_test (windows-latest, beta)	13s
build_test (windows-latest, nightly)	12s
	2m 37s

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