Aug 30 16:02:32.076 ERRO this task or one of its parent failed!
Aug 30 16:02:32.076 ERRO unable to download google-dataflow1_b4-0.1.5+20150401
Aug 30 16:02:32.077 ERRO caused by: unable to unpack crate tarball
Aug 30 16:02:32.077 ERRO caused by: invalid gzip header