Multiple exporter responses #5100

Job	Run time
prepare	1s
test / prepare	1m 55s
test / run (containerd, ./frontend/dockerfile, integration)	5m 40s
test / run (containerd, ./frontend/dockerfile, dockerfile)	6m 55s
test / run (containerd-rootless, ./frontend/dockerfile, integration)	5m 20s
test / run (containerd-rootless, ./frontend/dockerfile, dockerfile)	6m 55s
test / run (containerd-1.6, ./frontend/dockerfile, integration)	5m 4s
test / run (containerd-1.6, ./frontend/dockerfile, dockerfile)	6m 52s
test / run (containerd-1.7, ./frontend/dockerfile, integration)	5m 0s
test / run (containerd-1.7, ./frontend/dockerfile, dockerfile)	6m 56s
test / run (containerd-snapshotter-stargz, ./frontend/dockerfile, integration)	5m 18s
test / run (containerd-snapshotter-stargz, ./frontend/dockerfile, dockerfile)	7m 19s
test / run (oci, ./frontend/dockerfile, integration)	4m 53s
test / run (oci, ./frontend/dockerfile, dockerfile)	6m 19s
test / run (oci-rootless, ./frontend/dockerfile, integration)	4m 22s
test / run (oci-rootless, ./frontend/dockerfile, dockerfile)	5m 50s
test / run (oci-rootless-slirp4netns-detachnetns, ./frontend/dockerfile, integration)	4m 24s
test / run (oci-rootless-slirp4netns-detachnetns, ./frontend/dockerfile, dockerfile)	5m 54s
test / run (oci-snapshotter-stargz, ./frontend/dockerfile, integration)	4m 27s
test / run (oci-snapshotter-stargz, ./frontend/dockerfile, dockerfile)	5m 56s
image (mainline)	5m 22s
image (labs)	5m 27s
scout	0s
release	0s
	1h 56m 9s

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