CI seems broken

[theScrabi]

upon running Travis for my lates PR I noticed that the stup script for the test environment failed. May someone please have a look at it: https://travis-ci.org/github/mswart/openmensa-parsers/builds/77044442

0.01s$ source ~/virtualenv/python3.4/bin/activate

$ python --version

Python 3.4.6

$ pip --version

pip 9.0.1 from /home/travis/virtualenv/python3.4.6/lib/python3.4/site-packages (python 3.4)
before_install

0.00s$ deactivate

8.34s$ sudo build_scripts/travis-install-deps.sh

+ apt-get update -qq

W: GPG error: http://dl.google.com/linux/chrome/deb stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 78BD65473CB3BD13

W: The repository 'http://dl.google.com/linux/chrome/deb stable InRelease' is not signed.

W: There is no public key available for the following key IDs:

78BD65473CB3BD13  

W: The repository 'http://apt.postgresql.org/pub/repos/apt trusty-pgdg Release' does not have a Release file.

W: The repository 'http://www.apache.org/dist/cassandra/debian 39x Release' does not have a Release file.

W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://packagecloud.io/github/git-lfs/ubuntu trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6B05F25D762E3157

W: http://ppa.launchpad.net/couchdb/stable/ubuntu/dists/trusty/Release.gpg: Signature by key 15866BAFD9BCC4F3C1E0DFC7D69548E1C17EAB57 uses weak digest algorithm (SHA1)

W: Failed to fetch https://packagecloud.io/github/git-lfs/ubuntu/dists/trusty/InRelease  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6B05F25D762E3157

E: Failed to fetch http://apt.postgresql.org/pub/repos/apt/dists/trusty-pgdg/main/binary-amd64/Packages  404  Not Found [IP: 147.75.85.69 80]

E: Failed to fetch http://apt.postgresql.org/pub/repos/apt/dists/trusty-pgdg/main/binary-i386/Packages  404  Not Found [IP: 147.75.85.69 80]

E: Failed to fetch https://downloads.apache.org/cassandra/debian/dists/39x/main/binary-amd64/Packages  404  Not Found

E: Failed to fetch https://downloads.apache.org/cassandra/debian/dists/39x/main/binary-i386/Packages  404  Not Found

W: Some index files failed to download. They have been ignored, or old ones used instead.

The command "sudo build_scripts/travis-install-deps.sh" failed and exited with 100 during .