Add compiler to let users install pip packages that need compilation

4 jobs for master in 32 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Test
failed #18958
test:build

00:00:15

passed #18917
test:json

00:00:17

failed #18916
test:build

00:02:05

 
  Push
skipped #18918
push:hub
 
Name Stage Failure
failed
test:build Test
Get:38 http://archive.ubuntu.com/ubuntu xenial/main amd64 libalgorithm-merge-perl all 0.08-3 [12.0 kB]
Get:39 http://archive.ubuntu.com/ubuntu xenial/main amd64 libfile-fcntllock-perl amd64 0.22-3 [32.0 kB]
Get:40 http://archive.ubuntu.com/ubuntu xenial/main amd64 manpages-dev all 4.04-2 [2048 kB]
Fetched 38.8 MB in 1s (20.9 MB/s)
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/l/linux/linux-libc-dev_4.4.0-134.160_amd64.deb 404 Not Found [IP: 91.189.88.161 80]

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
The command '/bin/sh -c apt-get -y install build-essential && apt-get clean' returned a non-zero code: 100
ERROR: Job failed: exit code 100