feat(cargo): project-local [patch]-redirect backend + single fail-closed guard #270

Job	Run time
clippy	28s
test (ubuntu-latest)	5m 36s
test-release	12m 21s
coverage	3m 43s
dispatch-tests	13s
test (windows-latest)	17m 17s
test (macos-latest)	5m 43s
setup-matrix (npm)	2m 57s
setup-matrix (composer)	2m 26s
setup-matrix (pypi)	3m 45s
setup-matrix (maven)	3m 45s
coverage-docker (cargo)	4m 17s
setup-matrix (cargo)	2m 28s
setup-matrix (nuget)	2m 30s
coverage-docker (npm)	4m 18s
setup-matrix (golang)	2m 16s
coverage-docker (pypi)	4m 24s
setup-matrix (gem)	2m 27s
coverage-docker (maven)	4m 29s
e2e-docker (npm)	3m 25s
coverage-docker (golang)	4m 7s
coverage-docker (nuget)	4m 10s
e2e-docker (golang)	3m 17s
e2e-docker (pypi)	3m 18s
e2e-docker (maven)	4m 6s
e2e-docker (nuget)	3m 16s
e2e-docker (cargo)	3m 30s
coverage-docker (composer)	4m 19s
e2e-docker (deno)	3m 20s
e2e-docker (gem)	3m 29s
coverage-docker (deno)	4m 13s
setup-matrix (deno)	2m 19s
e2e-docker (composer)	3m 26s
coverage-docker (gem)	4m 5s
coverage-merge	28s
e2e (ubuntu-latest, guard_build_integration)	1m 29s
e2e (ubuntu-latest, e2e_composer)	1m 23s
e2e (ubuntu-latest, e2e_golang)	1m 25s
e2e (macos-latest, e2e_safety_pnpm)	2m 14s
e2e (ubuntu-latest, e2e_nuget)	1m 22s
e2e (windows-latest, e2e_safety_pnpm)	1m 52s
e2e (macos-latest, e2e_safety_cargo_build)	1m 31s
e2e (ubuntu-latest, e2e_safety_pnpm)	1m 34s
e2e (ubuntu-latest, e2e_safety_cargo_build)	1m 25s
e2e (windows-latest, e2e_safety_cargo_build)	1m 52s
e2e (ubuntu-latest, e2e_cargo)	1m 25s
e2e (ubuntu-latest, e2e_maven)	1m 22s
e2e (ubuntu-latest, e2e_cargo_coexist)	1m 22s
	2h 40m 27s

Provide feedback