=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Checksum SHA1 OK for docbook-xsl-1.79.1.tar.bz2
=> Checksum RMD160 OK for docbook-xsl-1.79.1.tar.bz2
=> Checksum SHA512 OK for docbook-xsl-1.79.1.tar.bz2
===> Installing dependencies for dbtoepub-1.79.1nb2
=> Build dependency cwrappers>=20150314: found cwrappers-20180325
=> Full dependency docbook-xsl>=1.79.1: found docbook-xsl-1.79.1nb2
=> Full dependency ruby24-base>=2.4.4: found ruby24-base-2.4.4
===> Overriding tools for dbtoepub-1.79.1nb2
===> Extracting for dbtoepub-1.79.1nb2
===> Patching for dbtoepub-1.79.1nb2
===> Creating toolchain wrappers for dbtoepub-1.79.1nb2
===> Configuring for dbtoepub-1.79.1nb2
=> Replacing ruby24 interpreter in epub/bin/dbtoepub.