Add awareness that each line can be prefixed with the loglevel #358

Job	Run time
docker (alpine, 3.20, golang:1.23-alpine3.20, linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6, ...	28s
docker (alpine, 3.20, golang:1.23-alpine3.20, linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6, ...	1s
docker (alpine, 3.20, golang:1.23-alpine3.20, linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6, ...	29s
docker (ubuntu, 24.04, golang:1.23-alpine3.20, linux/amd64, dev)	1s
docker (ubuntu, 24.04, golang:1.23-alpine3.20, linux/amd64, dev)	1m 23s
docker (ubuntu, 24.04, golang:1.23-alpine3.20, linux/amd64, dev)	1s
bundle	0s
bundle	0s
bundle	0s
	2m 23s

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