[Libguestfs] check-release FAILED (was: Re: [PATCH 5/5] builder: templates: pass empty proxy to d-i when not set)

Checking out sources from https://github.com/libguestfs/libguestfs ... /var/tmp/tmppyH7Jl/libguestfs /var/tmp/tmppyH7Jl Reset branch 'master' Branch master set up to track remote branch master from origin. Your branch is up-to-date with 'origin/master'. 4cea914d2..28c375701 master -> origin/master Updating 4cea914d2..28c375701 Fast-forward builder/templates/debian.preseed | 80 ++++++++++++++++++++++++++++++-------- builder/templates/make-template.ml | 59 +++++++++++++++++----------- 2 files changed, 99 insertions(+), 40 deletions(-) /var/tmp/tmppyH7Jl Applying patches ... /var/tmp/tmppyH7Jl/libguestfs /var/tmp/tmppyH7Jl error: patch failed: builder/templates/debian.preseed:1 error: builder/templates/debian.preseed: patch does not apply Applying: builder: templates: update Debian preseed from Stretch Patch failed at 0001 builder: templates: update Debian preseed from Stretch The copy of the patch that failed is found in: .git/rebase-apply/patch When you have resolved this problem, run "git am --continue". If you prefer to skip this patch, run "git am --skip" instead. To restore the original branch and stop patching, run "git am --abort".