=> Bootstrap dependency digest>=20010302: found digest-20180917
===> Installing for ruby25-rack16-1.6.11
=> Generating pre-install file lists
=> Installing gem into installation root
Successfully installed rack-1.6.11
Parsing documentation for rack-1.6.11
Installing ri documentation for rack-1.6.11
Done installing documentation for rack after 69 seconds
1 gem installed
=> Cleaning intermediate gem build files
=> gem install
=> Automatic manual page handling
=> Generating post-install file lists
=> Checking file-check results for ruby25-rack16-1.6.11
=> Checking for non-existent script interpreters in ruby25-rack16-1.6.11
=> Checking file permissions in ruby25-rack16-1.6.11
=> Checking for missing run-time search paths in ruby25-rack16-1.6.11
WARNING: Skipping check for SSP in DESTDIR mode.
=> Checking for work-directory references in ruby25-rack16-1.6.11