Rust

Merge pull request #1415 from nicholasbishop/bishop-more-bt-cleanup #5642

Job	Run time
Integration Test (IA-32)	1m 32s
Integration Test (AArch64)	1m 26s
Integration Test (x86_64)	1m 19s
Integration Test (x86_64 Windows)	5m 1s
Build (feature permutations)	3m 59s
Build (stable MSRV)	37s
Build Standard Binary (nightly)	30s
Lints	59s
Unit + Doc Tests (Miri)	1m 36s
Nightly (build, test, doc)	2m 25s
Unit + Doc Tests	1m 39s
	21m 3s

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