Build

Don't delete private key for last resort KP. #8

Job	Run time
build (i686-pc-windows-msvc, debug)	24s
build (i686-pc-windows-msvc, release)	32s
build (x86_64-pc-windows-msvc, debug)	21s
build (x86_64-pc-windows-msvc, release)	25s
build (x86_64-apple-darwin, debug)	26s
build (x86_64-apple-darwin, release)	31s
build (aarch64-apple-darwin, debug)	27s
build (aarch64-apple-darwin, release)	35s
build (x86_64-unknown-linux-gnu, debug)	16s
build (x86_64-unknown-linux-gnu, release)	29s
build (i686-unknown-linux-gnu, debug)	28s
build (i686-unknown-linux-gnu, release)	30s
build (aarch64-unknown-linux-gnu, debug)	28s
build (aarch64-unknown-linux-gnu, release)	35s
build (aarch64-linux-android, debug)	26s
build (aarch64-linux-android, release)	32s
build (armv7-linux-androideabi, debug)	22s
build (armv7-linux-androideabi, release)	31s
build (x86_64-linux-android, debug)	22s
build (x86_64-linux-android, release)	35s
build (i686-linux-android, debug)	25s
build (i686-linux-android, release)	31s
build (aarch64-apple-ios, debug)	23s
build (aarch64-apple-ios, release)	30s
build (wasm32-unknown-unknown, debug)	26s
build (wasm32-unknown-unknown, release)	28s
build (aarch64-apple-ios-sim, macos-latest)	31s
	12m 29s

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