Merge pull request #76 from ChrisDenton/emlink #118

Job	Run time
build-windows (i686, msvc, stable)	1m 49s
build-unix (stable, ubuntu)	13s
build-windows (i686, msvc, beta)	54s
build-unix (stable, macos)	15s
build-windows (i686, msvc, nightly)	53s
build-unix (beta, ubuntu)	19s
build-windows (x86_64, gnu, stable)	2m 34s
build-unix (beta, macos)	18s
build-windows (x86_64, gnu, beta)	2m 35s
build-unix (nightly, ubuntu)	17s
build-windows (x86_64, gnu, nightly)	3m 4s
build-unix (nightly, macos)	19s
build-windows (x86_64, msvc, stable)	1m 53s
build-windows (x86_64, msvc, beta)	54s
build-windows (x86_64, msvc, nightly)	50s
build-windows (aarch64, msvc, stable)	1m 28s
build-windows (aarch64, msvc, beta)	45s
build-windows (aarch64, msvc, nightly)	42s
	20m 2s

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