nix

wip #22

Job	Run time
build-test-install (ubuntu, gcc, 1)	1m 46s
build-test-install (ubuntu, gcc, 2)	1m 47s
build-test-install (ubuntu, gcc, 3)	1m 58s
build-test-install (ubuntu, gcc, 4)	1m 33s
build-test-install (ubuntu, gcc, 5)	1m 42s
build-test-install (ubuntu, gcc, 6)	1m 21s
build-test-install (ubuntu, clang, 1)	11s
build-test-install (ubuntu, clang, 2)	12s
build-test-install (ubuntu, clang, 3)	21s
build-test-install (ubuntu, clang, 4)	13s
build-test-install (ubuntu, clang, 5)	11s
build-test-install (ubuntu, clang, 6)	10s
build-test-install (macos, gcc, 1)	1s
build-test-install (macos, gcc, 2)	1s
build-test-install (macos, gcc, 3)	1s
build-test-install (macos, gcc, 4)	1s
build-test-install (macos, gcc, 5)	1s
build-test-install (macos, gcc, 6)	1s
build-test-install (macos, clang, 1)	1s
build-test-install (macos, clang, 2)	1s
build-test-install (macos, clang, 3)	1s
build-test-install (macos, clang, 4)	1s
build-test-install (macos, clang, 5)	1s
build-test-install (macos, clang, 6)	1s
	11m 37s

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