Better conc #605

Job	Run time
Prepare the run	12s
alpine-linux-x64	0s
linux-x64 / build (debug)	11m 7s
linux-x64 / build (release)	11m 5s
linux-x64-hs-zero / build (debug)	12m 43s
linux-x64-hs-minimal / build (debug)	7m 22s
linux-cross-compile / build (aarch64)	1s
linux-x64-hs-nopch / build (debug)	11m 5s
linux-cross-compile / build (arm)	1s
linux-cross-compile / build (s390x)	1s
linux-cross-compile / build (ppc64le)	1s
docs / build (debug)	1m 42s
linux-cross-compile / build (riscv64)	1s
linux-x64-hs-optimized / build (debug)	1s
macos-aarch64 / build (debug)	1s
macos-aarch64 / build (release)	1s
macos-x64 / build (debug)	1s
macos-x64 / build (release)	1s
windows-aarch64 / build (debug)	5m 59s
windows-x64 / build (debug)	2m 38s
windows-aarch64 / build (release)	5m 44s
windows-x64 / build (release)	1m 0s
macos-aarch64	1s
macos-x64	1s
windows-x64	1s
linux-x64	1s
	1h 10m 51s

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