On 2/28/19 4:12 PM, Markus Neteler wrote: > Looks like that an old Ubuntu is used here? Yes, and trusty will reach EOL in April. The Travis environment should be updated to xenial. Kind Regards, Bas -- GPG Key ID: 4096R/6750F10AE88D4AF1 Fingerprint: 8182 DE41 7056 408D 6146 50D1 6750 F10A E88D 4AF1