./jnr-jnr-ffi-0.7.10-0-gf28dc0a.tar.gz already exists, skipping download
Getting https://github.com/jnr/jnr-ffi/tarball/0.7.10/jnr-jnr-ffi-0.7.10-0-gf28dc0a.tar.gz to ./jnr-jnr-ffi-0.7.10-0-gf28dc0a.tar.gz