nix

wip #24

Job	Run time
build-test-install (ubuntu, gcc, 1)	1m 46s
build-test-install (ubuntu, gcc, 2)	1m 42s
build-test-install (ubuntu, gcc, 3)	1m 56s
build-test-install (ubuntu, gcc, 4)	1m 35s
build-test-install (ubuntu, gcc, 5)	1m 44s
build-test-install (ubuntu, gcc, 6)	1m 21s
build-test-install (ubuntu, clang, 1)	1m 57s
build-test-install (ubuntu, clang, 2)	2m 1s
build-test-install (ubuntu, clang, 3)	1m 59s
build-test-install (ubuntu, clang, 4)	1m 48s
build-test-install (ubuntu, clang, 5)	1m 51s
build-test-install (ubuntu, clang, 6)	1m 18s
build-test-install (macos, gcc, 1)	44s
build-test-install (macos, gcc, 2)	35s
build-test-install (macos, gcc, 3)	42s
build-test-install (macos, gcc, 4)	34s
build-test-install (macos, gcc, 5)	35s
build-test-install (macos, gcc, 6)	36s
build-test-install (macos, clang, 1)	1m 24s
build-test-install (macos, clang, 2)	1m 14s
build-test-install (macos, clang, 3)	1m 18s
build-test-install (macos, clang, 4)	1m 28s
build-test-install (macos, clang, 5)	1m 21s
build-test-install (macos, clang, 6)	1m 27s
	32m 56s

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