I tried to reproduce it just now and ... nothing. It works:
I used a freshly built cosmic in qemu:
2019-04-11 11:30:21 Found /tmp/autopkgtest.ORoVMO/build.Xl5/src/spread.yaml. 2019-04-11 11:30:40 Project content is packed for delivery (102.95MB). 2019-04-11 11:30:40 Sequence of jobs produced with -seed=1554975040 2019-04-11 11:30:40 If killed, discard servers with: spread -reuse-pid=8180 -discard 2019-04-11 11:30:40 Allocating autopkgtest:ubuntu-18.10-amd64... 2019-04-11 11:30:40 Waiting for autopkgtest:ubuntu-18.10-amd64 to make SSH available at localhost:22... 2019-04-11 11:30:40 Allocated autopkgtest:ubuntu-18.10-amd64. 2019-04-11 11:30:40 Connecting to autopkgtest:ubuntu-18.10-amd64... 2019-04-11 11:30:40 Connected to autopkgtest:ubuntu-18.10-amd64 at localhost:22. 2019-04-11 11:30:40 Sending project content to autopkgtest:ubuntu-18.10-amd64... 2019-04-11 11:30:48 Preparing autopkgtest:ubuntu-18.10-amd64... 2019-04-11 11:35:47 Preparing autopkgtest:ubuntu-18.10-amd64:tests/smoke/... 2019-04-11 11:36:51 Preparing autopkgtest:ubuntu-18.10-amd64:tests/smoke/find-info... 2019-04-11 11:36:58 Executing autopkgtest:ubuntu-18.10-amd64:tests/smoke/find-info (1/4)... 2019-04-11 11:36:58 Restoring autopkgtest:ubuntu-18.10-amd64:tests/smoke/find-info... 2019-04-11 11:36:59 Preparing autopkgtest:ubuntu-18.10-amd64:tests/smoke/install... 2019-04-11 11:37:04 Executing autopkgtest:ubuntu-18.10-amd64:tests/smoke/install (2/4)... 2019-04-11 11:37:21 Restoring autopkgtest:ubuntu-18.10-amd64:tests/smoke/install... 2019-04-11 11:37:21 Preparing autopkgtest:ubuntu-18.10-amd64:tests/smoke/sandbox... 2019-04-11 11:37:28 Executing autopkgtest:ubuntu-18.10-amd64:tests/smoke/sandbox (3/4)... 2019-04-11 11:37:34 Restoring autopkgtest:ubuntu-18.10-amd64:tests/smoke/sandbox... 2019-04-11 11:37:34 Preparing autopkgtest:ubuntu-18.10-amd64:tests/smoke/remove... 2019-04-11 11:37:44 Executing autopkgtest:ubuntu-18.10-amd64:tests/smoke/remove (4/4)... 2019-04-11 11:37:47 Restoring autopkgtest:ubuntu-18.10-amd64:tests/smoke/remove... 2019-04-11 11:37:47 Restoring autopkgtest:ubuntu-18.10-amd64:tests/smoke/... 2019-04-11 11:37:54 Restoring autopkgtest:ubuntu-18.10-amd64... 2019-04-11 11:37:55 Discarding autopkgtest:ubuntu-18.10-amd64... 2019-04-11 11:37:55 Successful tasks: 4 2019-04-11 11:37:55 Aborted tasks: 0
I tried to reproduce it just now and ... nothing. It works:
I used a freshly built cosmic in qemu:
2019-04-11 11:30:21 Found /tmp/autopkgtes t.ORoVMO/ build.Xl5/ src/spread. yaml. ubuntu- 18.10-amd64. .. ubuntu- 18.10-amd64 to make SSH available at localhost:22... ubuntu- 18.10-amd64. ubuntu- 18.10-amd64. .. ubuntu- 18.10-amd64 at localhost:22. ubuntu- 18.10-amd64. .. ubuntu- 18.10-amd64. .. ubuntu- 18.10-amd64: tests/smoke/ ... ubuntu- 18.10-amd64: tests/smoke/ find-info. .. ubuntu- 18.10-amd64: tests/smoke/ find-info (1/4)... ubuntu- 18.10-amd64: tests/smoke/ find-info. .. ubuntu- 18.10-amd64: tests/smoke/ install. .. ubuntu- 18.10-amd64: tests/smoke/ install (2/4)... ubuntu- 18.10-amd64: tests/smoke/ install. .. ubuntu- 18.10-amd64: tests/smoke/ sandbox. .. ubuntu- 18.10-amd64: tests/smoke/ sandbox (3/4)... ubuntu- 18.10-amd64: tests/smoke/ sandbox. .. ubuntu- 18.10-amd64: tests/smoke/ remove. .. ubuntu- 18.10-amd64: tests/smoke/ remove (4/4)... ubuntu- 18.10-amd64: tests/smoke/ remove. .. ubuntu- 18.10-amd64: tests/smoke/ ... ubuntu- 18.10-amd64. .. ubuntu- 18.10-amd64. ..
2019-04-11 11:30:40 Project content is packed for delivery (102.95MB).
2019-04-11 11:30:40 Sequence of jobs produced with -seed=1554975040
2019-04-11 11:30:40 If killed, discard servers with: spread -reuse-pid=8180 -discard
2019-04-11 11:30:40 Allocating autopkgtest:
2019-04-11 11:30:40 Waiting for autopkgtest:
2019-04-11 11:30:40 Allocated autopkgtest:
2019-04-11 11:30:40 Connecting to autopkgtest:
2019-04-11 11:30:40 Connected to autopkgtest:
2019-04-11 11:30:40 Sending project content to autopkgtest:
2019-04-11 11:30:48 Preparing autopkgtest:
2019-04-11 11:35:47 Preparing autopkgtest:
2019-04-11 11:36:51 Preparing autopkgtest:
2019-04-11 11:36:58 Executing autopkgtest:
2019-04-11 11:36:58 Restoring autopkgtest:
2019-04-11 11:36:59 Preparing autopkgtest:
2019-04-11 11:37:04 Executing autopkgtest:
2019-04-11 11:37:21 Restoring autopkgtest:
2019-04-11 11:37:21 Preparing autopkgtest:
2019-04-11 11:37:28 Executing autopkgtest:
2019-04-11 11:37:34 Restoring autopkgtest:
2019-04-11 11:37:34 Preparing autopkgtest:
2019-04-11 11:37:44 Executing autopkgtest:
2019-04-11 11:37:47 Restoring autopkgtest:
2019-04-11 11:37:47 Restoring autopkgtest:
2019-04-11 11:37:54 Restoring autopkgtest:
2019-04-11 11:37:55 Discarding autopkgtest:
2019-04-11 11:37:55 Successful tasks: 4
2019-04-11 11:37:55 Aborted tasks: 0