[Feature] [Compiler-V2] += and the like #66859

Job	Run time
file_change_determinator	12s
rust-doc-tests	4m 41s
rust-consensus-only-smoke-test	0s
rust-consensus-only-unit-test	0s
rust-unit-tests	0s
rust-lints	3m 32s
rust-build-cached-packages	2m 1s
general-lints	29s
rust-cargo-deny	1m 47s
rust-check-merge-base	1m 8s
rust-cryptohasher-domain-separation-check	0s
rust-targeted-unit-tests	17m 23s
rust-smoke-tests	27m 6s
	58m 19s

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