Build

Disable system root versioning for the musl toolchain #87

Job	Run time
Native build	8s
Cross build (arm-unknown-linux-gnueabihf)	49s
Cross build (arm-unknown-linux-gnueabi)	49s
Cross build (aarch64-unknown-linux-gnu)	49s
Cross build (x86_64-unknown-linux-musl)	30s
Cross build (x86_64-unknown-apple-darwin)	42s
Cross build (x86_64-unknown-linux-gnu)	43s
Cross build (aarch64-unknown-apple-darwin)	42s
Cross build (aarch64-unknown-linux-musl)	26s
Cross build (i686-unknown-linux-android21)	52s
Cross build (aarch64-unknown-netbsd)	35s
Cross build (i386-unknown-linux-gnu)	49s
Cross build (riscv64-unknown-linux-android)	53s
Cross build (mips64el-unknown-linux-android)	54s
Cross build (armv6-unknown-linux-musleabihf)	29s
Cross build (i586-unknown-haiku)	22s
Cross build (armv7-unknown-linux-musleabihf)	24s
Cross build (aarch64-unknown-linux-android)	58s
Cross build (x86_64-unknown-haiku)	22s
Cross build (aarch64-unknown-freebsd)	37s
Cross build (x86_64-unknown-freebsd)	42s
Cross build (i386-unknown-linux-musl)	31s
Cross build (mipsel-unknown-linux-android21)	1m 1s
Cross build (armv5-unknown-linux-androideabi21)	52s
Cross build (x86_64-unknown-linux-android)	59s
Cross build (x86_64-unknown-dragonfly)	18s
Cross build (armv7-unknown-linux-androideabi21)	54s
Cross build (x86_64-unknown-netbsd)	27s
Cross build (i386-unknown-freebsd)	36s
Cross build (i386-unknown-netbsdelf)	35s
Create release	7s
	19m 55s

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