Rust

WIP: uprev dependencies for mobilecoin core v6 #227

Job	Run time
build-sim	2m 34s
docs	1m 35s
build-fw (nanox, thumbv6m-none-eabi, true)	1m 43s
build-cli (x86_64-unknown-linux-gnu, ubuntu-latest)	3m 4s
build-fw (nanosplus, thumbv8m.main-none-eabi, false)	1m 47s
lint	1m 59s
build-cli (x86_64-apple-darwin, macos-latest)	12m 54s
Release	0s
test-core	2m 56s
build-cli (x86_64-pc-windows-msvc, windows-latest, .exe)	6m 38s
package-fw (nanox)	10s
package-fw (nanosplus)	12s
test-sim (nanox)	3m 29s
test-sim (nanosplus)	3m 33s
	42m 34s

Provide feedback