[Nix-dev] Hydra out of disk space

[Bjørn Forsman]

I just checked the release-16.03 job, some builds are failing, checked
a random one:

tar: adwaita-icon-theme-3.18.0/Adwaita/32x32/status/appointment-soon.png:
Cannot write: No space left on device
tar: adwaita-icon-theme-3.18.0/Adwaita/32x32/status/network-transmit-receive.png:
Cannot write: No space left on device
tar: Exiting with failure status due to previous errors
do not know how to unpack source archive
/nix/store/n7xni4clqcbl8wfdhr7p90bgfg9vfbl6-adwaita-icon-theme-3.18.0.tar.xz
builder for ‘/nix/store/aj2imi6wzhf96q1wwkhcdd2gvdai3aki-adwaita-icon-theme-3.18.0.drv’
failed with exit code 1

- Bjørn