Rust

Moving `TestShapeCS` #204

Job	Run time
clippy	33s
check-lurk-compiles	3m 1s
test	1m 27s
msrv (bellpepper-core)	1m 3s
msrv (bellpepper)	1m 1s
licenses-audits / cargo-deny (advisories, licenses, bans, ...)	35s
link-checker / linkChecker	5s
	7m 45s

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