bin: prefer symbol table names over DWARF names #327

Job	Run time
features	27s
build (ubuntu-latest, stable)	1m 27s
build (ubuntu-latest, beta)	1m 31s
bench-addr2line	3m 5s
bench	1m 11s
build (ubuntu-latest, nightly)	1m 25s
coverage	1m 3s
build (stable, macOS-latest)	1m 29s
doc	18s
build (stable-x86_64-pc-windows-gnu, windows-latest)	1m 24s
msrv	1m 6s
rustfmt	7s
	14m 33s

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