./BSgenome.Celegans.UCSC.ce2_1.3.19.tar.gz already exists, skipping download
Getting http://www.bioconductor.org/packages/release/data/annotation/src/contrib/BSgenome.Celegans.UCSC.ce2_1.3.19.tar.gz to ./BSgenome.Celegans.UCSC.ce2_1.3.19.tar.gz