Don't log collector errors (#1050) #333

Job	Run time
Go tests	1m 30s
Build Prometheus for common architectures	0s
Build Prometheus for all architectures (1)	1m 29s
Build Prometheus for all architectures (3)	1m 33s
Build Prometheus for all architectures (6)	1m 34s
Build Prometheus for all architectures (4)	1m 33s
Build Prometheus for all architectures (2)	1m 26s
Build Prometheus for all architectures (11)	1m 26s
Build Prometheus for all architectures (0)	1m 32s
Build Prometheus for all architectures (7)	1m 27s
Build Prometheus for all architectures (10)	1m 31s
Build Prometheus for all architectures (5)	1m 32s
Build Prometheus for all architectures (8)	1m 33s
Build Prometheus for all architectures (9)	1m 37s
Publish main branch artifacts	3m 1s
Publish release artefacts	0s
	22m 44s

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