Update Rust crate predicates to v3.1.2 #245

Job	Run time
Code Coverage (ubuntu-latest, unix)	2m 6s
cargo clippy -- -D warnings (ubuntu-latest)	14s
cargo fmt --all -- --check	11s
Code Coverage (macos-latest, macos)	2m 12s
cargo check (ubuntu-latest)	14s
cargo clippy -- -D warnings (macOS-latest)	18s
Code Coverage (windows-latest, windows)	6m 13s
cargo check (macOS-latest)	16s
cargo clippy -- -D warnings (windows-latest)	37s
cargo check (windows-latest)	35s
GNU test suite	1m 42s
cargo test (ubuntu-latest)	51s
cargo test (macOS-latest)	3m 24s
cargo test (windows-latest)	3m 12s
	22m 5s

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