implement basic side effects optimization #15462

Job	Run time
Determine jobs to run	34s
Build Turborepo	0s
Turborepo Examples	0s
Go Unit Tests	0s
Go linting	0s
Turbopack TypeScript files	1m 47s
Formatting	1m 39s
JS Package Tests	0s
Rust lints	1m 21s
Check next-swc	4m 28s
Turbopack rust check	2m 22s
Turborepo rust check	0s
Turborepo Integration Tests (Rust Codepath)	0s
Turborepo Integration Tests	0s
Turborepo rust clippy	0s
Turborepo Rust testing on ${{ matrix.os.name }}	0s
Turbopack Rust testing on ubuntu	5m 49s
Turbopack rust clippy	3m 32s
Turbopack Rust testing on macos	57m 33s
Turbopack Rust testing on windows	42m 23s
Turbopack Rust testing benchmarks on linux / Test	4m 35s
Turbopack Rust testing benchmarks on macos / Test	22m 53s
Ok	5s
Upload Test results	23s
Done	3s
Cleanup / cleanup	3s
	2h 29m 30s

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