[yast-commit] Build failed in Jenkins: yast-yast.github.io-master #7

http://ci.opensuse.org/job/yast-yast.github.io-master/7/------------------------------------------
Started by user YaST Team
[EnvInject] - Loading node environment variables.
Building remotely on yast-jenkins in workspace <http://ci.opensuse.org/job/yast-yast.github.io-master/ws/>
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url https://github.com/yast/yast.github.io.git # timeout=10
Fetching upstream changes from https://github.com/yast/yast.github.io.git
 > git --version # timeout=10
 > git fetch --tags --progress https://github.com/yast/yast.github.io.git +refs/heads/*:refs/remotes/origin/*
 > git rev-parse origin/master^{commit} # timeout=10
Checking out Revision cd3d00645894948c464f084b826e43eb6f5397d3 (origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f cd3d00645894948c464f084b826e43eb6f5397d3
 > git rev-list cd3d00645894948c464f084b826e43eb6f5397d3 # timeout=10
Cleaning workspace
 > git rev-parse --verify HEAD # timeout=10
Resetting working tree
 > git reset --hard # timeout=10
 > git clean -fdx # timeout=10
[yast-yast.github.io-master] $ /bin/sh -xe /tmp/hudson686898369995200320.sh
+ bundle install --path .vendor/bundle
Fetching gem metadata from https://rubygems.org/...........
Fetching version metadata from https://rubygems.org/..
Fetching dependency metadata from https://rubygems.org/.
Resolving dependencies...
Installing rake 12.0.0
Installing i18n 0.7.0
Installing json 1.8.6 with native extensions
Installing minitest 5.10.1
Installing thread_safe 0.3.5
Installing public_suffix 2.0.5
Installing coffee-script-source 1.12.2
Installing execjs 2.7.0
Installing colorator 1.1.0
Installing ffi 1.9.17 with native extensions
Installing multipart-post 2.0.0
Installing forwardable-extended 2.6.0
Installing gemoji 2.1.0
Installing net-dns 0.8.0
Installing sass 3.4.23
Installing rb-fsevent 0.9.8
Installing kramdown 1.11.1
Installing liquid 3.0.6
Installing mercenary 0.3.6
Installing rouge 1.11.1
Installing safe_yaml 1.0.4
Installing mini_portile2 2.1.0
Installing jekyll-paginate 1.1.0
Installing jekyll-swiss 0.4.0
Installing minima 2.0.0
Installing unicode-display_width 1.1.3
Installing rainbow 2.2.1 with native extensions
Installing raspell 1.3 with native extensions
Using bundler 1.13.6
Installing packaging_rake_tasks 1.2.1
Installing tzinfo 1.2.2
Installing addressable 2.5.0
Installing coffee-script 2.4.1
Installing ethon 0.10.1
Installing rb-inotify 0.9.7
Installing faraday 0.11.0
Installing pathutil 0.14.0
Installing jekyll-sass-converter 1.5.0
Installing nokogiri 1.6.8.1 with native extensions
Installing terminal-table 1.7.3
Installing yast-rake 0.2.13
Installing activesupport 4.2.7
Installing jekyll-coffeescript 1.0.1
Installing typhoeus 0.8.0
Installing listen 3.0.6
Installing sawyer 0.8.1
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    /usr/bin/ruby.ruby2.1 extconf.rb
checking if the C compiler accepts ... yes
Building nokogiri using packaged libraries.
Using mini_portile version 2.1.0
Static linking is disabled.
checking for gzdopen() in -lz... no
zlib is missing; necessary for building libxml2
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib64
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/usr/bin/ruby.ruby2.1
	--help
	--clean
	--use-system-libraries
	--enable-static
	--disable-static
	--with-zlib-dir
	--without-zlib-dir
	--with-zlib-include
	--without-zlib-include=${zlib-dir}/include
	--with-zlib-lib
	--without-zlib-lib=${zlib-dir}/lib64
	--enable-cross-build
	--disable-cross-build

extconf failed, exit code 1

Gem files will remain installed in
<http://ci.opensuse.org/job/yast-yast.github.io-master/ws/.vendor/bundle/ruby/2.1.0/gems/nokogiri-1.6.8.1>
for inspection.
Results logged to
<http://ci.opensuse.org/job/yast-yast.github.io-master/ws/.vendor/bundle/ruby/2.1.0/extensions/x86_64-linux/2.1.0/nokogiri-1.6.8.1/gem_make.out>

An error occurred while installing nokogiri (1.6.8.1), and Bundler cannot
continue.
Make sure that `gem install nokogiri -v '1.6.8.1'` succeeds before bundling.
Build step 'Execute shell' marked build as failure
Skipped archiving because build is not successful