Rust

read/line: check for overflow when advancing the address #495

Job	Run time
build (ubuntu-latest, stable)	51s
build (ubuntu-latest, beta)	48s
build (ubuntu-latest, nightly)	45s
build (stable, macOS-latest)	39s
msrv	1m 53s
msrv-read	2m 1s
bench	1m 15s
Build fuzz targets	1m 18s
cross (i686-unknown-linux-gnu)	48s
cross (powerpc64-unknown-linux-gnu)	50s
features	2m 56s
doc	26s
coverage	1m 11s
rustfmt	7s
Run `debug_abbrev` fuzz target	5m 5s
Run `debug_aranges` fuzz target	5m 5s
Run `debug_info` fuzz target	5m 6s
Run `debug_line` fuzz target	5m 9s
Run `eh_frame` fuzz target	5m 7s
Run `eh_frame_hdr` fuzz target	5m 9s
	46m 29s

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