Rust

Leases rather than GC locks #1222

Job	Run time
quick-test	2m 1s
rustfmt	11s
build-all-features	2m 0s
clippy	48s
pr-mutants	10m 3s
cargo-mutants (0)	18m 11s
tests (ubuntu-latest, stable)	2m 24s
cargo-mutants (1)	14m 45s
cargo-mutants (2)	15m 48s
tests (ubuntu-latest, nightly)	2m 26s
cargo-mutants (3)	17m 2s
tests (ubuntu-latest, 1.79)	2m 33s
cargo-mutants (4)	13m 58s
tests (windows-latest, stable)	4m 41s
cargo-mutants (5)	13m 49s
tests (windows-latest, nightly)	4m 52s
cargo-mutants (6)	14m 44s
cargo-mutants (7)	17m 59s
cargo-mutants (8)	11m 57s
tests (windows-latest, 1.79)	5m 10s
cargo-mutants (9)	11m 8s
tests (macOS-latest, stable)	4m 11s
tests (macOS-latest, nightly)	4m 14s
tests (macOS-latest, 1.79)	4m 17s
	3h 19m 12s

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