testing/seatd: log to file

previously logs were just discarded
7 jobs for !20432 with seatd in 27 seconds (queued for 1 second)
detached
Status Name Job ID Coverage
  Lint
failed lint #370605
docker-alpine x86_64 allowed to fail

00:00:09

 
  Build
failed build-aarch64 #370610
docker-alpine ci-build aarch64

00:00:08

failed build-armv7 #370611
docker-alpine ci-build armv7

00:00:09

failed build-ppc64le #370609
docker-alpine ci-build ppc64le

00:00:10

failed build-s390x #370608
docker-alpine ci-build s390x

00:00:06

failed build-x86 #370607
docker-alpine ci-build x86

00:00:04

failed build-x86_64 #370606
docker-alpine ci-build x86_64

00:00:04

 
Name Stage Failure
failed
build-armv7 Build
No job log
failed
build-x86 Build
No job log
failed
build-x86_64 Build
No job log
failed
lint Lint
No job log
failed
build-ppc64le Build
No job log
failed
build-s390x Build
No job log
failed
build-aarch64 Build
No job log