Old changes I dont remember

3 jobs for master in 3 minutes and 4 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
failed #44618
book

00:03:02

failed #44617
build

00:02:36

 
  Deploy
skipped #44619
pages
 
Name Stage Failure
failed
book Build There is an unknown failure, please try again
Cloning into '/builds/naomod/sce/slides'...
Checking out f4b68f8b as master...
Skipping Git submodules setup
$ apt-get install -y -qq graphicsmagick graphicsmagick-imagemagick-compat graphicsmagick-libmagick-dev-compat
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif12_0.6.21-5.1ubuntu0.1_amd64.deb 404 Not Found [IP: 172.20.12.74 3128]
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif-dev_0.6.21-5.1ubuntu0.1_amd64.deb 404 Not Found [IP: 172.20.12.74 3128]
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif-doc_0.6.21-5.1ubuntu0.1_all.deb 404 Not Found [IP: 172.20.12.74 3128]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
ERROR: Job failed: exit code 1
failed
build Build There is an unknown failure, please try again
Cloning into '/builds/naomod/sce/slides'...
Checking out f4b68f8b as master...
Skipping Git submodules setup
$ apt-get install -y -qq graphicsmagick graphicsmagick-imagemagick-compat graphicsmagick-libmagick-dev-compat
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif12_0.6.21-5.1ubuntu0.1_amd64.deb 404 Not Found [IP: 172.20.12.74 3128]
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif-dev_0.6.21-5.1ubuntu0.1_amd64.deb 404 Not Found [IP: 172.20.12.74 3128]
E: Failed to fetch http://security.ubuntu.com/ubuntu/pool/main/libe/libexif/libexif-doc_0.6.21-5.1ubuntu0.1_all.deb 404 Not Found [IP: 172.20.12.74 3128]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
ERROR: Job failed: exit code 1