bootstrap-depends.sh: try to fix travis

6 jobs from travis in 76 minutes and 45 seconds (queued for 7 seconds)
Status Job ID Name Coverage
  Build
canceled #72856
docker linux amd64
build:linux:amd64

passed #28423
docker linux amd64
build:linux:amd64

00:00:27

 
  Test
canceled #73131
docker linux amd64
deckard:linux:amd64

canceled #28426
docker linux amd64 allowed to fail
respdiff:linux:amd64

01:16:45

passed #28424
docker linux amd64
test:linux:amd64

00:00:21

passed #28425
docker linux amd64
deckard:linux:amd64

00:00:24