Rust

Prevent `clippy::ignored_unit_patterns` in macro expansions #317

Job	Run time
Lints, pinned toolchain	38s
Build, minimum toolchain	19s
Benchmarks (criterion)	15s
Tests, unstable toolchain (beta)	1m 27s
Tests, stable toolchain	1m 45s
Tests, unstable toolchain (nightly)	1m 16s
	5m 40s

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