Build

Workaround jemalloc require gcc on andoird #158

Job	Run time
build-linux-musl (x86_64-unknown-linux-musl)	1m 50s
build-android (aarch64-linux-android)	1m 17s
build-linux (x86_64-unknown-linux-gnu)	1m 34s
build-linux-musl (aarch64-unknown-linux-musl)	1m 44s
build-macos	1m 53s
build-android (armv7-linux-androideabi)	1m 3s
build-linux (aarch64-unknown-linux-gnu)	1m 25s
build-linux-musl (armv7-unknown-linux-musleabihf)	2m 20s
build-android (x86_64-linux-android)	1m 5s
build-linux (armv7-unknown-linux-gnueabihf)	1m 42s
build-windows (x86_64-pc-windows-msvc)	3m 17s
build-windows (i686-pc-windows-msvc)	5m 10s
	24m 20s

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