Rust

Merge pull request #1330 from coreos/dependabot/cargo/openssl-0.10.59 #2325

Job	Run time
Docs	3m 41s
Tests, minimum supported toolchain (x86_64)	4m 35s
Lints, pinned toolchain (x86_64)	2m 10s
Tests, unstable toolchain (beta, x86_64)	3m 3s
Tests, minimum supported toolchain (s390x)	31m 1s
Tests, stable toolchain (x86_64)	3m 0s
Lints, pinned toolchain (s390x)	17m 17s
Tests, unstable toolchain (nightly, x86_64)	3m 34s
Tests, stable toolchain (s390x)	19m 28s
	1h 27m 49s

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