reunite the workspace #2401

Job	Run time
fuzz	2m 12s
build (stable, thumbv7em-none-eabi)	1m 6s
test (1.85.0)	4m 39s
build (1.85.0, wasm32-unknown-unknown)	1m 13s
build (1.85.0, thumbv7em-none-eabi)	1m 14s
build (stable, wasm32-unknown-unknown)	1m 20s
test (stable)	4m 34s
minimal-versions	0s
	16m 18s

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