Dev windows support part2 #569

Job	Run time
test (x86_64-unknown-linux-gnu, stable)	4m 55s
test (x86_64-unknown-linux-gnu, nightly)	4m 49s
test (i686-unknown-linux-gnu, stable)	2m 24s
test (i686-unknown-linux-gnu, nightly)	2m 15s
test (aarch64-unknown-linux-gnu, stable)	1m 50s
test (aarch64-unknown-linux-gnu, nightly)	1m 57s
test (armv7-unknown-linux-gnueabihf, stable)	2m 5s
test (armv7-unknown-linux-gnueabihf, nightly)	1m 47s
test (riscv64gc-unknown-linux-gnu, stable)	1m 47s
test (riscv64gc-unknown-linux-gnu, nightly)	1m 34s
test (s390x-unknown-linux-gnu, stable)	1m 46s
test (s390x-unknown-linux-gnu, nightly)	1m 48s
test (x86_64-apple-darwin, stable)	3m 23s
test (x86_64-apple-darwin, nightly)	4m 47s
test (aarch64-apple-darwin, stable)	3m 29s
test (aarch64-apple-darwin, nightly)	3m 1s
test (x86_64-pc-windows-gnu, stable)	4m 46s
test (x86_64-pc-windows-gnu, nightly)	1m 58s
test (x86_64-pc-windows-msvc, stable)	3m 33s
test (x86_64-pc-windows-msvc, nightly)	2m 25s
test (i686-pc-windows-gnu, stable)	3m 1s
test (i686-pc-windows-gnu, nightly)	3m 3s
test (i686-pc-windows-msvc, stable)	4m 58s
test (i686-pc-windows-msvc, nightly)	1m 47s
	1h 9m 8s

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