Sandbox friendly build #158

Job	Run time
rustfmt	20s
build (ubuntu-latest, stable)	1m 6s
clippy (ubuntu-latest, stable)	1m 10s
clippy (ubuntu-latest, nightly)	47s
clippy (windows-latest, stable)	3m 29s
clippy (windows-latest, nightly)	3m 16s
build (ubuntu-latest, nightly)	1m 13s
clippy (macos-latest, stable)	1m 10s
clippy (macos-latest, nightly)	1m 29s
build (windows-latest, stable)	3m 14s
build (windows-latest, nightly)	3m 37s
build (macos-latest, stable)	1m 27s
build (macos-latest, nightly)	1m 21s
	23m 39s

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