Rust

status: support `bootupctl status --json` in container #1764

Job	Run time
Tests (release), stable toolchain	32s
Tests, stable toolchain	12s
Lints, pinned toolchain	16s
Tests, unstable toolchain (beta)	25s
Tests (release), minimum supported toolchain	38s
Tests, unstable toolchain (nightly)	44s
	2m 47s

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