Add `OutputMode=` option #9353

Job	Run time
unit-test	1m 12s
integration-test (arch, arch)	25m 54s
integration-test (arch, debian)	26m 14s
integration-test (arch, fedora)	26m 16s
integration-test (azure, arch)	17m 19s
integration-test (azure, debian)	17m 28s
integration-test (azure, fedora)	16m 55s
integration-test (azure, opensuse)	15m 14s
integration-test (azure, ubuntu)	17m 23s
integration-test (centos, arch)	22m 57s
integration-test (centos, debian)	25m 12s
integration-test (centos, fedora)	23m 21s
integration-test (centos, opensuse)	23m 45s
integration-test (centos, ubuntu)	23m 12s
integration-test (debian, arch)	21m 39s
integration-test (debian, fedora)	23m 5s
integration-test (debian, ubuntu)	22m 36s
integration-test (fedora, arch)	21m 55s
integration-test (debian, debian)	24m 17s
integration-test (fedora, debian)	23m 31s
integration-test (fedora, fedora)	22m 37s
integration-test (fedora, opensuse)	20m 12s
integration-test (fedora, ubuntu)	23m 59s
integration-test (opensuse, arch)	21m 10s
integration-test (opensuse, debian)	5m 44s
integration-test (opensuse, fedora)	21m 51s
integration-test (opensuse, opensuse)	19m 25s
integration-test (opensuse, ubuntu)	22m 11s
integration-test (ubuntu, arch)	19m 53s
integration-test (ubuntu, debian)	20m 32s
integration-test (ubuntu, fedora)	20m 14s
integration-test (ubuntu, ubuntu)	20m 44s
	10h 57m 57s

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