We don't need set safe directory #503

Job	Run time
rust_ci (macos-latest, stable)	1m 15s
rust_ci (macos-latest, beta)	1m 46s
rust_ci (macos-latest, nightly)	1m 26s
rust_ci (ubuntu-latest, stable)	1m 35s
rust_ci (ubuntu-latest, beta)	1m 34s
rust_ci (ubuntu-latest, nightly)	1m 35s
rust_ci (windows-latest, stable)	4m 39s
rust_ci (windows-latest, beta)	4m 56s
rust_ci (windows-latest, nightly)	4m 2s
	22m 48s

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