testing/9base: new abuild

The port for s390x is as recommended on https://plan9port-review.googlesource.com/1030
5 jobs for !298 with 9base in 2 minutes and 35 seconds (queued for 1 second)
detached
Status Job ID Name Coverage
  Lint
passed #2348
docker-alpine x86_64
lint

00:01:30

 
  Build
failed #2352
docker-alpine ci-build ppc64le
build-ppc64le

00:00:37

failed #2351
docker-alpine ci-build s390x
build-s390x

00:00:34

failed #2350
docker-alpine ci-build x86
build-x86

00:00:25

failed #2349
docker-alpine ci-build x86_64
build-x86_64

00:00:26

 
Name Stage Failure
failed
build-x86_64 Build
No job log
failed
build-s390x Build
No job log
failed
build-ppc64le Build
No job log
failed
build-x86 Build
No job log