linux

Fix some perl-in-space problems #386

Job	Run time
perl (1, 5.39)	1m 34s
perl (1, ALIEN_BUILD_LIVE_TEST=1, 5.38-alpine3.16)	1m 43s
perl (1, ALIEN_BUILD_LIVE_TEST=1, 5.38-bionic)	1m 44s
perl (1, ALIEN_BUILD_LIVE_TEST=1, 5.38-fedora36)	2m 6s
perl (0, ALIEN_BUILD_LIVE_TEST=0, 5.38-bullseye)	1m 27s
perl (1, ALIEN_BUILD_LIVE_TEST=1, 5.38-bullseye)	2m 17s
perl (1, ALIEN_DOWNLOAD_RULE=warn, 5.38)	1m 40s
perl (1, ALIEN_DOWNLOAD_RULE=digest, 5.38)	1m 35s
perl (1, ALIEN_DOWNLOAD_RULE=encrypt, 5.38)	1m 35s
perl (1, ALIEN_DOWNLOAD_RULE=digest_or_encrypt, 5.38)	1m 37s
perl (1, ALIEN_DOWNLOAD_RULE=digest_and_encrypt, 5.38)	1m 33s
perl (1, 5.38)	1m 35s
perl (1, 5.36)	1m 34s
perl (1, 5.34)	1m 34s
perl (1, 5.32)	1m 34s
perl (1, 5.30)	1m 34s
perl (1, 5.28)	1m 31s
perl (1, 5.26)	1m 35s
perl (1, 5.24)	1m 37s
perl (1, 5.22)	1m 34s
perl (1, 5.20)	1m 31s
perl (0, 5.18)	1m 21s
perl (0, 5.16)	1m 24s
perl (0, 5.14)	1m 17s
perl (0, 5.12)	1m 22s
perl (0, 5.10.1)	59s
perl (0, 5.10.0)	58s
perl (0, 5.8.8)	57s
perl (0, 5.8.4)	1m 9s
	43m 57s

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