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travis_fold:start:worker_info
Worker information
hostname: 0afd89e5-a277-497f-bf5a-c328647674b0@1.worker-org-5dcc948c89-fkf2n.gce-production-2
version: v6.2.1 https://github.com/travis-ci/worker/tree/4e3246c044eb4915c2378ffacd0b3d3ed0136bba
instance: travis-job-219267a4-c420-4887-85ef-59228befcd92 travis-ci-garnet-trusty-1512502259-986baf0 (via amqp)
startup: 6.403517811s
travis_fold:end:worker_info
travis_fold:start:system_info
Build system information
Build language: ruby
Build group: stable
Build dist: trusty
Build id: 565237143
Job id: 565237144
Runtime kernel version: 4.4.0-101-generic
travis-build version: 24c88d12b
Build image provisioning date and time
Tue Dec  5 19:58:13 UTC 2017
Operating System Details
Distributor ID:	Ubuntu
Description:	Ubuntu 14.04.5 LTS
Release:	14.04
Codename:	trusty
Cookbooks Version
7c2c6a6 https://github.com/travis-ci/travis-cookbooks/tree/7c2c6a6
git version
git version 2.15.1
bash version
GNU bash, version 4.3.11(1)-release (x86_64-pc-linux-gnu)
gcc version
gcc (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4
Copyright (C) 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
docker version
Client:
 Version:      17.09.0-ce
 API version:  1.32
 Go version:   go1.8.3
 Git commit:   afdb6d4
 Built:        Tue Sep 26 22:42:38 2017
 OS/Arch:      linux/amd64
Server:
 Version:      17.09.0-ce
 API version:  1.32 (minimum version 1.12)
 Go version:   go1.8.3
 Git commit:   afdb6d4
 Built:        Tue Sep 26 22:41:20 2017
 OS/Arch:      linux/amd64
 Experimental: false
clang version
clang version 5.0.0 (tags/RELEASE_500/final)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/local/clang-5.0.0/bin
jq version
jq-1.5
bats version
Bats 0.4.0
shellcheck version
0.4.6
shfmt version
v2.0.0
ccache version
ccache version 3.1.9
Copyright (C) 2002-2007 Andrew Tridgell
Copyright (C) 2009-2011 Joel Rosdahl
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 3 of the License, or (at your option) any later
version.
cmake version
cmake version 3.9.2
CMake suite maintained and supported by Kitware (kitware.com/cmake).
heroku version
heroku-cli/6.14.39-addc925 (linux-x64) node-v9.2.0
imagemagick version
Version: ImageMagick 6.7.7-10 2017-07-31 Q16 http://www.imagemagick.org
md5deep version
4.2
mercurial version
Mercurial Distributed SCM (version 4.2.2)
(see https://mercurial-scm.org for more information)
Copyright (C) 2005-2017 Matt Mackall and others
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
mysql version
mysql  Ver 14.14 Distrib 5.6.33, for debian-linux-gnu (x86_64) using  EditLine wrapper
openssl version
OpenSSL 1.0.1f 6 Jan 2014
packer version
Packer v1.0.2
Your version of Packer is out of date! The latest version
is 1.1.2. You can update by downloading from www.packer.io
postgresql client version
psql (PostgreSQL) 9.6.6
ragel version
Ragel State Machine Compiler version 6.8 Feb 2013
Copyright (c) 2001-2009 by Adrian Thurston
subversion version
svn, version 1.8.8 (r1568071)
   compiled Aug 10 2017, 17:20:39 on x86_64-pc-linux-gnu
Copyright (C) 2013 The Apache Software Foundation.
This software consists of contributions made by many people;
see the NOTICE file for more information.
Subversion is open source software, see http://subversion.apache.org/
The following repository access (RA) modules are available:
* ra_svn : Module for accessing a repository using the svn network protocol.
  - with Cyrus SASL authentication
  - handles 'svn' scheme
* ra_local : Module for accessing a repository on local disk.
  - handles 'file' scheme
* ra_serf : Module for accessing a repository via WebDAV protocol using serf.
  - using serf 1.3.3
  - handles 'http' scheme
  - handles 'https' scheme
sudo version
Sudo version 1.8.9p5
Configure options: --prefix=/usr -v --with-all-insults --with-pam --with-fqdn --with-logging=syslog --with-logfac=authpriv --with-env-editor --with-editor=/usr/bin/editor --with-timeout=15 --with-password-timeout=0 --with-passprompt=[sudo] password for %p:  --without-lecture --with-tty-tickets --disable-root-mailer --enable-admin-flag --with-sendmail=/usr/sbin/sendmail --with-timedir=/var/lib/sudo --mandir=/usr/share/man --libexecdir=/usr/lib/sudo --with-sssd --with-sssd-lib=/usr/lib/x86_64-linux-gnu --with-selinux
Sudoers policy plugin version 1.8.9p5
Sudoers file grammar version 43
Sudoers path: /etc/sudoers
Authentication methods: 'pam'
Syslog facility if syslog is being used for logging: authpriv
Syslog priority to use when user authenticates successfully: notice
Syslog priority to use when user authenticates unsuccessfully: alert
Send mail if the user is not in sudoers
Use a separate timestamp for each user/tty combo
Lecture user the first time they run sudo
Root may run sudo
Allow some information gathering to give useful error messages
Require fully-qualified hostnames in the sudoers file
Visudo will honor the EDITOR environment variable
Set the LOGNAME and USER environment variables
Length at which to wrap log file lines (0 for no wrap): 80
Authentication timestamp timeout: 15.0 minutes
Password prompt timeout: 0.0 minutes
Number of tries to enter a password: 3
Umask to use or 0777 to use user's: 022
Path to mail program: /usr/sbin/sendmail
Flags for mail program: -t
Address to send mail to: root
Subject line for mail messages: *** SECURITY information for %h ***
Incorrect password message: Sorry, try again.
Path to authentication timestamp dir: /var/lib/sudo
Default password prompt: [sudo] password for %p: 
Default user to run commands as: root
Value to override user's $PATH with: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin
Path to the editor for use by visudo: /usr/bin/editor
When to require a password for 'list' pseudocommand: any
When to require a password for 'verify' pseudocommand: all
File descriptors >= 3 will be closed before executing a command
Environment variables to check for sanity:
	TZ
	TERM
	LINGUAS
	LC_*
	LANGUAGE
	LANG
	COLORTERM
Environment variables to remove:
	RUBYOPT
	RUBYLIB
	PYTHONUSERBASE
	PYTHONINSPECT
	PYTHONPATH
	PYTHONHOME
	TMPPREFIX
	ZDOTDIR
	READNULLCMD
	NULLCMD
	FPATH
	PERL5DB
	PERL5OPT
	PERL5LIB
	PERLLIB
	PERLIO_DEBUG 
	JAVA_TOOL_OPTIONS
	SHELLOPTS
	GLOBIGNORE
	PS4
	BASH_ENV
	ENV
	TERMCAP
	TERMPATH
	TERMINFO_DIRS
	TERMINFO
	_RLD*
	LD_*
	PATH_LOCALE
	NLSPATH
	HOSTALIASES
	RES_OPTIONS
	LOCALDOMAIN
	CDPATH
	IFS
Environment variables to preserve:
	JAVA_HOME
	TRAVIS
	CI
	DEBIAN_FRONTEND
	XAUTHORIZATION
	XAUTHORITY
	PS2
	PS1
	PATH
	LS_COLORS
	KRB5CCNAME
	HOSTNAME
	HOME
	DISPLAY
	COLORS
Locale to use while parsing sudoers: C
Directory in which to store input/output logs: /var/log/sudo-io
File in which to store the input/output log: %{seq}
Add an entry to the utmp/utmpx file when allocating a pty
PAM service name to use
PAM service name to use for login shells
Create a new PAM session for the command to run in
Maximum I/O log sequence number: 0
Local IP address and netmask pairs:
	10.240.0.28/255.255.255.255
	172.17.0.1/255.255.0.0
Sudoers I/O plugin version 1.8.9p5
gzip version
gzip 1.6
Copyright (C) 2007, 2010, 2011 Free Software Foundation, Inc.
Copyright (C) 1993 Jean-loup Gailly.
This is free software.  You may redistribute copies of it under the terms of
the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
There is NO WARRANTY, to the extent permitted by law.
Written by Jean-loup Gailly.
zip version
Copyright (c) 1990-2008 Info-ZIP - Type 'zip "-L"' for software license.
This is Zip 3.0 (July 5th 2008), by Info-ZIP.
Currently maintained by E. Gordon.  Please send bug reports to
the authors using the web page at www.info-zip.org; see README for details.
Latest sources and executables are at ftp://ftp.info-zip.org/pub/infozip,
as of above date; see http://www.info-zip.org/ for other sites.
Compiled with gcc 4.8.2 for Unix (Linux ELF) on Oct 21 2013.
Zip special compilation options:
	USE_EF_UT_TIME       (store Universal Time)
	BZIP2_SUPPORT        (bzip2 library version 1.0.6, 6-Sept-2010)
	    bzip2 code and library copyright (c) Julian R Seward
	    (See the bzip2 license for terms of use)
	SYMLINK_SUPPORT      (symbolic links supported)
	LARGE_FILE_SUPPORT   (can read and write large files on file system)
	ZIP64_SUPPORT        (use Zip64 to store large files in archives)
	UNICODE_SUPPORT      (store and read UTF-8 Unicode paths)
	STORE_UNIX_UIDs_GIDs (store UID/GID sizes/values using new extra field)
	UIDGID_NOT_16BIT     (old Unix 16-bit UID/GID extra field not used)
	[encryption, version 2.91 of 05 Jan 2007] (modified for Zip 3)
Encryption notice:
	The encryption code of this program is not copyrighted and is
	put in the public domain.  It was originally written in Europe
	and, to the best of our knowledge, can be freely distributed
	in both source and object forms from any country, including
	the USA under License Exception TSU of the U.S. Export
	Administration Regulations (section 740.13(e)) of 6 June 2002.
Zip environment options:
             ZIP:  [none]
          ZIPOPT:  [none]
vim version
VIM - Vi IMproved 7.4 (2013 Aug 10, compiled Nov 24 2016 16:43:18)
Included patches: 1-52
Extra patches: 8.0.0056
Modified by [email protected]
Compiled by buildd@
Huge version without GUI.  Features included (+) or not (-):
+acl             +farsi           +mouse_netterm   +syntax
+arabic          +file_in_path    +mouse_sgr       +tag_binary
+autocmd         +find_in_path    -mouse_sysmouse  +tag_old_static
-balloon_eval    +float           +mouse_urxvt     -tag_any_white
-browse          +folding         +mouse_xterm     -tcl
++builtin_terms  -footer          +multi_byte      +terminfo
+byte_offset     +fork()          +multi_lang      +termresponse
+cindent         +gettext         -mzscheme        +textobjects
-clientserver    -hangul_input    +netbeans_intg   +title
-clipboard       +iconv           +path_extra      -toolbar
+cmdline_compl   +insert_expand   -perl            +user_commands
+cmdline_hist    +jumplist        +persistent_undo +vertsplit
+cmdline_info    +keymap          +postscript      +virtualedit
+comments        +langmap         +printer         +visual
+conceal         +libcall         +profile         +visualextra
+cryptv          +linebreak       +python          +viminfo
+cscope          +lispindent      -python3         +vreplace
+cursorbind      +listcmds        +quickfix        +wildignore
+cursorshape     +localmap        +reltime         +wildmenu
+dialog_con      -lua             +rightleft       +windows
+diff            +menu            -ruby            +writebackup
+digraphs        +mksession       +scrollbind      -X11
-dnd             +modify_fname    +signs           -xfontset
-ebcdic          +mouse           +smartindent     -xim
+emacs_tags      -mouseshape      -sniff           -xsmp
+eval            +mouse_dec       +startuptime     -xterm_clipboard
+ex_extra        +mouse_gpm       +statusline      -xterm_save
+extra_search    -mouse_jsbterm   -sun_workshop    -xpm
   system vimrc file: "$VIM/vimrc"
     user vimrc file: "$HOME/.vimrc"
 2nd user vimrc file: "~/.vim/vimrc"
      user exrc file: "$HOME/.exrc"
  fall-back for $VIM: "/usr/share/vim"
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H     -g -O2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1      
Linking: gcc   -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,--as-needed -o vim        -lm -ltinfo -lnsl  -lselinux  -lacl -lattr -lgpm -ldl    -L/usr/lib/python2.7/config-x86_64-linux-gnu -lpython2.7 -lpthread -ldl -lutil -lm -Xlinker -export-dynamic -Wl,-O1 -Wl,-Bsymbolic-functions      
iptables version
iptables v1.4.21
curl version
curl 7.35.0 (x86_64-pc-linux-gnu) libcurl/7.35.0 OpenSSL/1.0.1f zlib/1.2.8 libidn/1.28 librtmp/2.3
wget version
GNU Wget 1.15 built on linux-gnu.
rsync version
rsync  version 3.1.0  protocol version 31
gimme version
v1.2.0
nvm version
0.33.6
perlbrew version
/home/travis/perl5/perlbrew/bin/perlbrew  - App::perlbrew/0.80
phpenv version
rbenv 1.1.1-25-g6aa70b6
rvm version
rvm 1.29.3 (latest) by Michal Papis, Piotr Kuczynski, Wayne E. Seguin [https://rvm.io]
default ruby version
ruby 2.4.1p111 (2017-03-22 revision 58053) [x86_64-linux]
CouchDB version
couchdb 1.6.1
ElasticSearch version
5.5.0
Installed Firefox version
firefox 56.0.2
MongoDB version
MongoDB 3.4.10
PhantomJS version
2.1.1
Pre-installed PostgreSQL versions
9.2.24
9.3.20
9.4.15
9.5.10
9.6.6
RabbitMQ Version
3.6.14
Redis version
redis-server 4.0.6
riak version
2.2.3
Pre-installed Go versions
1.7.4
ant version
Apache Ant(TM) version 1.9.3 compiled on April 8 2014
mvn version
Apache Maven 3.5.2 (138edd61fd100ec658bfa2d307c43b76940a5d7d; 2017-10-18T07:58:13Z)
Maven home: /usr/local/maven-3.5.2
Java version: 1.8.0_151, vendor: Oracle Corporation
Java home: /usr/lib/jvm/java-8-oracle/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "4.4.0-98-generic", arch: "amd64", family: "unix"
gradle version
------------------------------------------------------------
Gradle 4.0.1
------------------------------------------------------------
Build time:   2017-07-07 14:02:41 UTC
Revision:     38e5dc0f772daecca1d2681885d3d85414eb6826
Groovy:       2.4.11
Ant:          Apache Ant(TM) version 1.9.6 compiled on June 29 2015
JVM:          1.8.0_151 (Oracle Corporation 25.151-b12)
OS:           Linux 4.4.0-98-generic amd64
lein version
Leiningen 2.8.1 on Java 1.8.0_151 Java HotSpot(TM) 64-Bit Server VM
Pre-installed Node.js versions
v4.8.6
v6.12.0
v6.12.1
v8.9
v8.9.1
phpenv versions
  system
  5.6
* 5.6.32 (set by /home/travis/.phpenv/version)
  7.0
  7.0.25
  7.1
  7.1.11
  hhvm
  hhvm-stable
composer --version
Composer version 1.5.2 2017-09-11 16:59:25
Pre-installed Ruby versions
ruby-2.2.7
ruby-2.3.4
ruby-2.4.1
travis_fold:end:system_info
travis_fold:start:docker_mtu
docker stop/waiting
docker start/running, process 4368
travis_fold:end:docker_mtu
travis_fold:start:resolvconf
resolvconf stop/waiting
resolvconf start/running
travis_fold:end:resolvconf
travis_fold:start:install_jdk
Installing oraclejdk8
$ jdk_switcher use "oraclejdk8"
Switching to Oracle JDK8 (java-8-oracle), JAVA_HOME will be set to /usr/lib/jvm/java-8-oracle
travis_fold:end:install_jdk
travis_fold:start:apt
Installing APT Packages
travis_time:start:173b3c62
$ travis_apt_get_update
travis_time:end:173b3c62:start=1564443578174548075,finish=1564443584489673987,duration=6315125912
travis_time:start:0800c07b
$ sudo -E apt-get -yq --no-install-suggests --no-install-recommends $(travis_apt_get_options) install oracle-java8-installer
Reading package lists...
Building dependency tree...
Reading state information...
oracle-java8-installer is already the newest version (8u151-1~webupd8~0).
0 upgraded, 0 newly installed, 0 to remove and 304 not upgraded.
travis_time:end:0800c07b:start=1564443584493743583,finish=1564443585393448524,duration=899704941
travis_fold:end:apt
travis_fold:start:git.checkout
travis_time:start:1443e220
$ git clone --depth=50 https://github.com/iluwatar/java-design-patterns.git iluwatar/java-design-patterns
Cloning into 'iluwatar/java-design-patterns'...
remote: Enumerating objects: 5554, done.
remote: Counting objects:   0% (1/5554)   
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remote: Counting objects:  88% (4888/5554)   
remote: Counting objects:  89% (4944/5554)   
remote: Counting objects:  90% (4999/5554)   
remote: Counting objects:  91% (5055/5554)   
remote: Counting objects:  92% (5110/5554)   
remote: Counting objects:  93% (5166/5554)   
remote: Counting objects:  94% (5221/5554)   
remote: Counting objects:  95% (5277/5554)   
remote: Counting objects:  96% (5332/5554)   
remote: Counting objects:  97% (5388/5554)   
remote: Counting objects:  98% (5443/5554)   
remote: Counting objects:  99% (5499/5554)   
remote: Counting objects: 100% (5554/5554)   
remote: Counting objects: 100% (5554/5554), done.
remote: Compressing objects:   0% (1/2765)   
remote: Compressing objects:   1% (28/2765)   
remote: Compressing objects:   2% (56/2765)   
remote: Compressing objects:   3% (83/2765)   
remote: Compressing objects:   4% (111/2765)   
remote: Compressing objects:   5% (139/2765)   
remote: Compressing objects:   6% (166/2765)   
remote: Compressing objects:   7% (194/2765)   
remote: Compressing objects:   8% (222/2765)   
remote: Compressing objects:   9% (249/2765)   
remote: Compressing objects:  10% (277/2765)   
remote: Compressing objects:  11% (305/2765)   
remote: Compressing objects:  12% (332/2765)   
remote: Compressing objects:  13% (360/2765)   
remote: Compressing objects:  14% (388/2765)   
remote: Compressing objects:  15% (415/2765)   
remote: Compressing objects:  16% (443/2765)   
remote: Compressing objects:  17% (471/2765)   
remote: Compressing objects:  18% (498/2765)   
remote: Compressing objects:  19% (526/2765)   
remote: Compressing objects:  20% (553/2765)   
remote: Compressing objects:  21% (581/2765)   
remote: Compressing objects:  22% (609/2765)   
remote: Compressing objects:  23% (636/2765)   
remote: Compressing objects:  24% (664/2765)   
remote: Compressing objects:  25% (692/2765)   
remote: Compressing objects:  26% (719/2765)   
remote: Compressing objects:  27% (747/2765)   
remote: Compressing objects:  28% (775/2765)   
remote: Compressing objects:  29% (802/2765)   
remote: Compressing objects:  30% (830/2765)   
remote: Compressing objects:  31% (858/2765)   
remote: Compressing objects:  32% (885/2765)   
remote: Compressing objects:  33% (913/2765)   
remote: Compressing objects:  34% (941/2765)   
remote: Compressing objects:  35% (968/2765)   
remote: Compressing objects:  36% (996/2765)   
remote: Compressing objects:  37% (1024/2765)   
remote: Compressing objects:  38% (1051/2765)   
remote: Compressing objects:  39% (1079/2765)   
remote: Compressing objects:  40% (1106/2765)   
remote: Compressing objects:  41% (1134/2765)   
remote: Compressing objects:  42% (1162/2765)   
remote: Compressing objects:  43% (1189/2765)   
remote: Compressing objects:  44% (1217/2765)   
remote: Compressing objects:  45% (1245/2765)   
remote: Compressing objects:  46% (1272/2765)   
remote: Compressing objects:  47% (1300/2765)   
remote: Compressing objects:  48% (1328/2765)   
remote: Compressing objects:  49% (1355/2765)   
remote: Compressing objects:  50% (1383/2765)   
remote: Compressing objects:  51% (1411/2765)   
remote: Compressing objects:  52% (1438/2765)   
remote: Compressing objects:  53% (1466/2765)   
remote: Compressing objects:  54% (1494/2765)   
remote: Compressing objects:  55% (1521/2765)   
remote: Compressing objects:  56% (1549/2765)   
remote: Compressing objects:  57% (1577/2765)   
remote: Compressing objects:  58% (1604/2765)   
remote: Compressing objects:  59% (1632/2765)   
remote: Compressing objects:  60% (1659/2765)   
remote: Compressing objects:  61% (1687/2765)   
remote: Compressing objects:  62% (1715/2765)   
remote: Compressing objects:  63% (1742/2765)   
remote: Compressing objects:  64% (1770/2765)   
remote: Compressing objects:  65% (1798/2765)   
remote: Compressing objects:  66% (1825/2765)   
remote: Compressing objects:  67% (1853/2765)   
remote: Compressing objects:  68% (1881/2765)   
remote: Compressing objects:  69% (1908/2765)   
remote: Compressing objects:  70% (1936/2765)   
remote: Compressing objects:  71% (1964/2765)   
remote: Compressing objects:  72% (1991/2765)   
remote: Compressing objects:  73% (2019/2765)   
remote: Compressing objects:  74% (2047/2765)   
remote: Compressing objects:  75% (2074/2765)   
remote: Compressing objects:  76% (2102/2765)   
remote: Compressing objects:  77% (2130/2765)   
remote: Compressing objects:  78% (2157/2765)   
remote: Compressing objects:  79% (2185/2765)   
remote: Compressing objects:  80% (2212/2765)   
remote: Compressing objects:  81% (2240/2765)   
remote: Compressing objects:  82% (2268/2765)   
remote: Compressing objects:  83% (2295/2765)   
remote: Compressing objects:  84% (2323/2765)   
remote: Compressing objects:  85% (2351/2765)   
remote: Compressing objects:  86% (2378/2765)   
remote: Compressing objects:  87% (2406/2765)   
remote: Compressing objects:  88% (2434/2765)   
remote: Compressing objects:  89% (2461/2765)   
remote: Compressing objects:  90% (2489/2765)   
remote: Compressing objects:  91% (2517/2765)   
remote: Compressing objects:  92% (2544/2765)   
remote: Compressing objects:  93% (2572/2765)   
remote: Compressing objects:  94% (2600/2765)   
remote: Compressing objects:  95% (2627/2765)   
remote: Compressing objects:  96% (2655/2765)   
remote: Compressing objects:  97% (2683/2765)   
remote: Compressing objects:  98% (2710/2765)   
remote: Compressing objects:  99% (2738/2765)   
remote: Compressing objects: 100% (2765/2765)   
remote: Compressing objects: 100% (2765/2765), done.
Receiving objects:   0% (1/5554)   
Receiving objects:   1% (56/5554)   
Receiving objects:   2% (112/5554)   
Receiving objects:   3% (167/5554)   
Receiving objects:   4% (223/5554)   
Receiving objects:   5% (278/5554)   
Receiving objects:   6% (334/5554)   
Receiving objects:   7% (389/5554)   
Receiving objects:   8% (445/5554)   
Receiving objects:   9% (500/5554)   
Receiving objects:  10% (556/5554)   
Receiving objects:  11% (611/5554)   
Receiving objects:  12% (667/5554)   
Receiving objects:  13% (723/5554)   
Receiving objects:  14% (778/5554)   
Receiving objects:  15% (834/5554)   
Receiving objects:  16% (889/5554)   
Receiving objects:  17% (945/5554)   
Receiving objects:  18% (1000/5554)   
Receiving objects:  19% (1056/5554)   
Receiving objects:  20% (1111/5554)   
Receiving objects:  21% (1167/5554)   
Receiving objects:  22% (1222/5554)   
Receiving objects:  23% (1278/5554)   
Receiving objects:  24% (1333/5554)   
Receiving objects:  25% (1389/5554)   
Receiving objects:  26% (1445/5554)   
Receiving objects:  27% (1500/5554)   
Receiving objects:  28% (1556/5554)   
Receiving objects:  29% (1611/5554)   
Receiving objects:  30% (1667/5554)   
Receiving objects:  31% (1722/5554)   
Receiving objects:  32% (1778/5554)   
Receiving objects:  33% (1833/5554)   
Receiving objects:  34% (1889/5554)   
Receiving objects:  35% (1944/5554)   
Receiving objects:  36% (2000/5554)   
Receiving objects:  37% (2055/5554)   
Receiving objects:  38% (2111/5554)   
Receiving objects:  39% (2167/5554)   
Receiving objects:  40% (2222/5554)   
Receiving objects:  41% (2278/5554)   
Receiving objects:  42% (2333/5554)   
Receiving objects:  43% (2389/5554)   
Receiving objects:  44% (2444/5554)   
Receiving objects:  45% (2500/5554)   
Receiving objects:  46% (2555/5554)   
Receiving objects:  47% (2611/5554)   
Receiving objects:  48% (2666/5554)   
Receiving objects:  49% (2722/5554)   
Receiving objects:  50% (2777/5554)   
Receiving objects:  51% (2833/5554)   
Receiving objects:  52% (2889/5554)   
Receiving objects:  53% (2944/5554)   
Receiving objects:  54% (3000/5554)   
Receiving objects:  55% (3055/5554)   
Receiving objects:  56% (3111/5554)   
Receiving objects:  57% (3166/5554)   
Receiving objects:  58% (3222/5554)   
Receiving objects:  59% (3277/5554)   
Receiving objects:  60% (3333/5554)   
Receiving objects:  61% (3388/5554)   
Receiving objects:  62% (3444/5554)   
Receiving objects:  63% (3500/5554)   
Receiving objects:  64% (3555/5554)   
Receiving objects:  65% (3611/5554)   
Receiving objects:  66% (3666/5554)   
Receiving objects:  67% (3722/5554)   
Receiving objects:  68% (3777/5554)   
Receiving objects:  69% (3833/5554)   
Receiving objects:  70% (3888/5554)   
Receiving objects:  71% (3944/5554)   
Receiving objects:  72% (3999/5554)   
Receiving objects:  73% (4055/5554)   
Receiving objects:  74% (4110/5554)   
Receiving objects:  75% (4166/5554)   
Receiving objects:  76% (4222/5554)   
Receiving objects:  77% (4277/5554)   
Receiving objects:  78% (4333/5554)   
Receiving objects:  79% (4388/5554)   
Receiving objects:  80% (4444/5554)   
Receiving objects:  81% (4499/5554)   
Receiving objects:  82% (4555/5554)   
Receiving objects:  83% (4610/5554)   
Receiving objects:  84% (4666/5554)   
Receiving objects:  85% (4721/5554)   
Receiving objects:  86% (4777/5554)   
Receiving objects:  87% (4832/5554)   
Receiving objects:  88% (4888/5554)   
Receiving objects:  89% (4944/5554)   
Receiving objects:  90% (4999/5554)   
Receiving objects:  91% (5055/5554)   
Receiving objects:  92% (5110/5554)   
Receiving objects:  93% (5166/5554)   
Receiving objects:  94% (5221/5554)   
Receiving objects:  95% (5277/5554)   
Receiving objects:  96% (5332/5554)   
Receiving objects:  97% (5388/5554)   
Receiving objects:  98% (5443/5554)   
Receiving objects:  99% (5499/5554)   
remote: Total 5554 (delta 1894), reused 4295 (delta 1070), pack-reused 0
Receiving objects: 100% (5554/5554)   
Receiving objects: 100% (5554/5554), 5.60 MiB | 25.14 MiB/s, done.
Resolving deltas:   0% (0/1894)   
Resolving deltas:   1% (19/1894)   
Resolving deltas:   2% (39/1894)   
Resolving deltas:   3% (57/1894)   
Resolving deltas:   4% (76/1894)   
Resolving deltas:   5% (95/1894)   
Resolving deltas:   6% (114/1894)   
Resolving deltas:   7% (133/1894)   
Resolving deltas:   8% (152/1894)   
Resolving deltas:   9% (172/1894)   
Resolving deltas:  10% (191/1894)   
Resolving deltas:  11% (209/1894)   
Resolving deltas:  12% (236/1894)   
Resolving deltas:  13% (252/1894)   
Resolving deltas:  14% (267/1894)   
Resolving deltas:  15% (287/1894)   
Resolving deltas:  17% (325/1894)   
Resolving deltas:  24% (462/1894)   
Resolving deltas:  28% (545/1894)   
Resolving deltas:  29% (554/1894)   
Resolving deltas:  31% (605/1894)   
Resolving deltas:  32% (611/1894)   
Resolving deltas:  33% (630/1894)   
Resolving deltas:  34% (652/1894)   
Resolving deltas:  45% (857/1894)   
Resolving deltas:  49% (942/1894)   
Resolving deltas:  51% (973/1894)   
Resolving deltas:  52% (997/1894)   
Resolving deltas:  53% (1008/1894)   
Resolving deltas:  55% (1053/1894)   
Resolving deltas:  58% (1115/1894)   
Resolving deltas:  59% (1120/1894)   
Resolving deltas:  60% (1151/1894)   
Resolving deltas:  61% (1167/1894)   
Resolving deltas:  62% (1182/1894)   
Resolving deltas:  63% (1204/1894)   
Resolving deltas:  64% (1219/1894)   
Resolving deltas:  65% (1235/1894)   
Resolving deltas:  66% (1251/1894)   
Resolving deltas:  67% (1270/1894)   
Resolving deltas:  68% (1299/1894)   
Resolving deltas:  69% (1313/1894)   
Resolving deltas:  70% (1326/1894)   
Resolving deltas:  71% (1346/1894)   
Resolving deltas:  72% (1367/1894)   
Resolving deltas:  73% (1387/1894)   
Resolving deltas:  74% (1409/1894)   
Resolving deltas:  75% (1430/1894)   
Resolving deltas:  76% (1443/1894)   
Resolving deltas:  77% (1462/1894)   
Resolving deltas:  78% (1480/1894)   
Resolving deltas:  79% (1500/1894)   
Resolving deltas:  80% (1517/1894)   
Resolving deltas:  81% (1535/1894)   
Resolving deltas:  82% (1560/1894)   
Resolving deltas:  83% (1576/1894)   
Resolving deltas:  84% (1591/1894)   
Resolving deltas:  85% (1612/1894)   
Resolving deltas:  86% (1630/1894)   
Resolving deltas:  87% (1652/1894)   
Resolving deltas:  88% (1669/1894)   
Resolving deltas:  89% (1686/1894)   
Resolving deltas:  90% (1705/1894)   
Resolving deltas:  91% (1726/1894)   
Resolving deltas:  92% (1743/1894)   
Resolving deltas:  93% (1765/1894)   
Resolving deltas:  94% (1781/1894)   
Resolving deltas:  95% (1800/1894)   
Resolving deltas:  96% (1819/1894)   
Resolving deltas:  97% (1839/1894)   
Resolving deltas:  98% (1857/1894)   
Resolving deltas:  99% (1877/1894)   
Resolving deltas: 100% (1894/1894)   
Resolving deltas: 100% (1894/1894), done.
travis_time:end:1443e220:start=1564443585397768345,finish=1564443586677321744,duration=1279553399
$ cd iluwatar/java-design-patterns
travis_time:start:104ada8c
$ git fetch origin +refs/pull/913/merge:
remote: Enumerating objects: 1724, done.
remote: Counting objects:   0% (1/1723)   
remote: Counting objects:   1% (18/1723)   
remote: Counting objects:   2% (35/1723)   
remote: Counting objects:   3% (52/1723)   
remote: Counting objects:   4% (69/1723)   
remote: Counting objects:   5% (87/1723)   
remote: Counting objects:   6% (104/1723)   
remote: Counting objects:   7% (121/1723)   
remote: Counting objects:   8% (138/1723)   
remote: Counting objects:   9% (156/1723)   
remote: Counting objects:  10% (173/1723)   
remote: Counting objects:  11% (190/1723)   
remote: Counting objects:  12% (207/1723)   
remote: Counting objects:  13% (224/1723)   
remote: Counting objects:  14% (242/1723)   
remote: Counting objects:  15% (259/1723)   
remote: Counting objects:  16% (276/1723)   
remote: Counting objects:  17% (293/1723)   
remote: Counting objects:  18% (311/1723)   
remote: Counting objects:  19% (328/1723)   
remote: Counting objects:  20% (345/1723)   
remote: Counting objects:  21% (362/1723)   
remote: Counting objects:  22% (380/1723)   
remote: Counting objects:  23% (397/1723)   
remote: Counting objects:  24% (414/1723)   
remote: Counting objects:  25% (431/1723)   
remote: Counting objects:  26% (448/1723)   
remote: Counting objects:  27% (466/1723)   
remote: Counting objects:  28% (483/1723)   
remote: Counting objects:  29% (500/1723)   
remote: Counting objects:  30% (517/1723)   
remote: Counting objects:  31% (535/1723)   
remote: Counting objects:  32% (552/1723)   
remote: Counting objects:  33% (569/1723)   
remote: Counting objects:  34% (586/1723)   
remote: Counting objects:  35% (604/1723)   
remote: Counting objects:  36% (621/1723)   
remote: Counting objects:  37% (638/1723)   
remote: Counting objects:  38% (655/1723)   
remote: Counting objects:  39% (672/1723)   
remote: Counting objects:  40% (690/1723)   
remote: Counting objects:  41% (707/1723)   
remote: Counting objects:  42% (724/1723)   
remote: Counting objects:  43% (741/1723)   
remote: Counting objects:  44% (759/1723)   
remote: Counting objects:  45% (776/1723)   
remote: Counting objects:  46% (793/1723)   
remote: Counting objects:  47% (810/1723)   
remote: Counting objects:  48% (828/1723)   
remote: Counting objects:  49% (845/1723)   
remote: Counting objects:  50% (862/1723)   
remote: Counting objects:  51% (879/1723)   
remote: Counting objects:  52% (896/1723)   
remote: Counting objects:  53% (914/1723)   
remote: Counting objects:  54% (931/1723)   
remote: Counting objects:  55% (948/1723)   
remote: Counting objects:  56% (965/1723)   
remote: Counting objects:  57% (983/1723)   
remote: Counting objects:  58% (1000/1723)   
remote: Counting objects:  59% (1017/1723)   
remote: Counting objects:  60% (1034/1723)   
remote: Counting objects:  61% (1052/1723)   
remote: Counting objects:  62% (1069/1723)   
remote: Counting objects:  63% (1086/1723)   
remote: Counting objects:  64% (1103/1723)   
remote: Counting objects:  65% (1120/1723)   
remote: Counting objects:  66% (1138/1723)   
remote: Counting objects:  67% (1155/1723)   
remote: Counting objects:  68% (1172/1723)   
remote: Counting objects:  69% (1189/1723)   
remote: Counting objects:  70% (1207/1723)   
remote: Counting objects:  71% (1224/1723)   
remote: Counting objects:  72% (1241/1723)   
remote: Counting objects:  73% (1258/1723)   
remote: Counting objects:  74% (1276/1723)   
remote: Counting objects:  75% (1293/1723)   
remote: Counting objects:  76% (1310/1723)   
remote: Counting objects:  77% (1327/1723)   
remote: Counting objects:  78% (1344/1723)   
remote: Counting objects:  79% (1362/1723)   
remote: Counting objects:  80% (1379/1723)   
remote: Counting objects:  81% (1396/1723)   
remote: Counting objects:  82% (1413/1723)   
remote: Counting objects:  83% (1431/1723)   
remote: Counting objects:  84% (1448/1723)   
remote: Counting objects:  85% (1465/1723)   
remote: Counting objects:  86% (1482/1723)   
remote: Counting objects:  87% (1500/1723)   
remote: Counting objects:  88% (1517/1723)   
remote: Counting objects:  89% (1534/1723)   
remote: Counting objects:  90% (1551/1723)   
remote: Counting objects:  91% (1568/1723)   
remote: Counting objects:  92% (1586/1723)   
remote: Counting objects:  93% (1603/1723)   
remote: Counting objects:  94% (1620/1723)   
remote: Counting objects:  95% (1637/1723)   
remote: Counting objects:  96% (1655/1723)   
remote: Counting objects:  97% (1672/1723)   
remote: Counting objects:  98% (1689/1723)   
remote: Counting objects:  99% (1706/1723)   
remote: Counting objects: 100% (1723/1723)   
remote: Counting objects: 100% (1723/1723), done.
remote: Compressing objects:   0% (1/838)   
remote: Compressing objects:   1% (9/838)   
remote: Compressing objects:   2% (17/838)   
remote: Compressing objects:   3% (26/838)   
remote: Compressing objects:   4% (34/838)   
remote: Compressing objects:   5% (42/838)   
remote: Compressing objects:   6% (51/838)   
remote: Compressing objects:   7% (59/838)   
remote: Compressing objects:   8% (68/838)   
remote: Compressing objects:   9% (76/838)   
remote: Compressing objects:  10% (84/838)   
remote: Compressing objects:  11% (93/838)   
remote: Compressing objects:  12% (101/838)   
remote: Compressing objects:  13% (109/838)   
remote: Compressing objects:  14% (118/838)   
remote: Compressing objects:  15% (126/838)   
remote: Compressing objects:  16% (135/838)   
remote: Compressing objects:  17% (143/838)   
remote: Compressing objects:  18% (151/838)   
remote: Compressing objects:  19% (160/838)   
remote: Compressing objects:  20% (168/838)   
remote: Compressing objects:  21% (176/838)   
remote: Compressing objects:  22% (185/838)   
remote: Compressing objects:  23% (193/838)   
remote: Compressing objects:  24% (202/838)   
remote: Compressing objects:  25% (210/838)   
remote: Compressing objects:  26% (218/838)   
remote: Compressing objects:  27% (227/838)   
remote: Compressing objects:  28% (235/838)   
remote: Compressing objects:  29% (244/838)   
remote: Compressing objects:  30% (252/838)   
remote: Compressing objects:  31% (260/838)   
remote: Compressing objects:  32% (269/838)   
remote: Compressing objects:  33% (277/838)   
remote: Compressing objects:  34% (285/838)   
remote: Compressing objects:  35% (294/838)   
remote: Compressing objects:  36% (302/838)   
remote: Compressing objects:  37% (311/838)   
remote: Compressing objects:  38% (319/838)   
remote: Compressing objects:  39% (327/838)   
remote: Compressing objects:  40% (336/838)   
remote: Compressing objects:  41% (344/838)   
remote: Compressing objects:  42% (352/838)   
remote: Compressing objects:  43% (361/838)   
remote: Compressing objects:  44% (369/838)   
remote: Compressing objects:  45% (378/838)   
remote: Compressing objects:  46% (386/838)   
remote: Compressing objects:  47% (394/838)   
remote: Compressing objects:  48% (403/838)   
remote: Compressing objects:  49% (411/838)   
remote: Compressing objects:  50% (419/838)   
remote: Compressing objects:  51% (428/838)   
remote: Compressing objects:  52% (436/838)   
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remote: Compressing objects:  99% (830/838)   
remote: Compressing objects: 100% (838/838)   
remote: Compressing objects: 100% (838/838), done.
Receiving objects:   0% (1/1716)   
Receiving objects:   1% (18/1716)   
Receiving objects:   2% (35/1716)   
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Receiving objects:  15% (258/1716)   
Receiving objects:  16% (275/1716)   
Receiving objects:  17% (292/1716)   
Receiving objects:  18% (309/1716)   
Receiving objects:  19% (327/1716)   
Receiving objects:  20% (344/1716)   
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Receiving objects:  25% (429/1716)   
Receiving objects:  26% (447/1716)   
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Receiving objects:  28% (481/1716)   
Receiving objects:  29% (498/1716)   
Receiving objects:  30% (515/1716)   
Receiving objects:  31% (532/1716)   
Receiving objects:  32% (550/1716)   
Receiving objects:  33% (567/1716)   
Receiving objects:  34% (584/1716)   
Receiving objects:  35% (601/1716)   
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Receiving objects:  37% (635/1716)   
Receiving objects:  38% (653/1716)   
Receiving objects:  39% (670/1716)   
Receiving objects:  40% (687/1716)   
Receiving objects:  41% (704/1716)   
Receiving objects:  42% (721/1716)   
Receiving objects:  43% (738/1716)   
Receiving objects:  44% (756/1716)   
Receiving objects:  45% (773/1716)   
Receiving objects:  46% (790/1716)   
Receiving objects:  47% (807/1716)   
Receiving objects:  48% (824/1716)   
Receiving objects:  49% (841/1716)   
Receiving objects:  50% (858/1716)   
Receiving objects:  51% (876/1716)   
Receiving objects:  52% (893/1716)   
Receiving objects:  53% (910/1716)   
Receiving objects:  54% (927/1716)   
Receiving objects:  55% (944/1716)   
Receiving objects:  56% (961/1716)   
Receiving objects:  57% (979/1716)   
Receiving objects:  58% (996/1716)   
Receiving objects:  59% (1013/1716)   
Receiving objects:  60% (1030/1716)   
Receiving objects:  61% (1047/1716)   
Receiving objects:  62% (1064/1716)   
Receiving objects:  63% (1082/1716)   
Receiving objects:  64% (1099/1716)   
Receiving objects:  65% (1116/1716)   
Receiving objects:  66% (1133/1716)   
Receiving objects:  67% (1150/1716)   
Receiving objects:  68% (1167/1716)   
Receiving objects:  69% (1185/1716)   
Receiving objects:  70% (1202/1716)   
Receiving objects:  71% (1219/1716)   
Receiving objects:  72% (1236/1716)   
Receiving objects:  73% (1253/1716)   
Receiving objects:  74% (1270/1716)   
Receiving objects:  75% (1287/1716)   
Receiving objects:  76% (1305/1716)   
Receiving objects:  77% (1322/1716)   
Receiving objects:  78% (1339/1716)   
Receiving objects:  79% (1356/1716)   
Receiving objects:  80% (1373/1716)   
Receiving objects:  81% (1390/1716)   
Receiving objects:  82% (1408/1716)   
Receiving objects:  83% (1425/1716)   
Receiving objects:  84% (1442/1716)   
Receiving objects:  85% (1459/1716)   
Receiving objects:  86% (1476/1716)   
Receiving objects:  87% (1493/1716)   
Receiving objects:  88% (1511/1716)   
Receiving objects:  89% (1528/1716)   
Receiving objects:  90% (1545/1716)   
Receiving objects:  91% (1562/1716)   
Receiving objects:  92% (1579/1716)   
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Receiving objects:  94% (1614/1716)   
Receiving objects:  95% (1631/1716)   
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Receiving objects:  97% (1665/1716)   
Receiving objects:  98% (1682/1716)   
Receiving objects:  99% (1699/1716)   
remote: Total 1716 (delta 858), reused 1706 (delta 851), pack-reused 0
Receiving objects: 100% (1716/1716)   
Receiving objects: 100% (1716/1716), 2.30 MiB | 14.44 MiB/s, done.
Resolving deltas:   0% (0/858)   
Resolving deltas:   2% (20/858)   
Resolving deltas:   3% (26/858)   
Resolving deltas:   5% (50/858)   
Resolving deltas:   7% (62/858)   
Resolving deltas:  14% (122/858)   
Resolving deltas:  16% (138/858)   
Resolving deltas:  17% (150/858)   
Resolving deltas:  18% (156/858)   
Resolving deltas:  20% (177/858)   
Resolving deltas:  24% (212/858)   
Resolving deltas:  25% (215/858)   
Resolving deltas:  26% (225/858)   
Resolving deltas:  27% (232/858)   
Resolving deltas:  28% (244/858)   
Resolving deltas:  29% (252/858)   
Resolving deltas:  30% (259/858)   
Resolving deltas:  32% (275/858)   
Resolving deltas:  33% (284/858)   
Resolving deltas:  34% (293/858)   
Resolving deltas:  35% (304/858)   
Resolving deltas:  37% (321/858)   
Resolving deltas:  38% (331/858)   
Resolving deltas:  39% (339/858)   
Resolving deltas:  40% (350/858)   
Resolving deltas:  41% (359/858)   
Resolving deltas:  43% (369/858)   
Resolving deltas:  44% (383/858)   
Resolving deltas:  45% (389/858)   
Resolving deltas:  46% (395/858)   
Resolving deltas:  47% (409/858)   
Resolving deltas:  48% (419/858)   
Resolving deltas:  49% (424/858)   
Resolving deltas:  50% (432/858)   
Resolving deltas:  52% (447/858)   
Resolving deltas:  53% (463/858)   
Resolving deltas:  58% (499/858)   
Resolving deltas:  64% (552/858)   
Resolving deltas:  65% (558/858)   
Resolving deltas:  67% (579/858)   
Resolving deltas:  68% (589/858)   
Resolving deltas:  69% (593/858)   
Resolving deltas:  70% (602/858)   
Resolving deltas:  74% (639/858)   
Resolving deltas:  75% (645/858)   
Resolving deltas:  76% (655/858)   
Resolving deltas:  77% (665/858)   
Resolving deltas:  81% (695/858)   
Resolving deltas:  82% (705/858)   
Resolving deltas:  84% (725/858)   
Resolving deltas:  85% (736/858)   
Resolving deltas:  88% (763/858)   
Resolving deltas:  93% (799/858)   
Resolving deltas:  94% (811/858)   
Resolving deltas:  95% (817/858)   
Resolving deltas:  96% (824/858)   
Resolving deltas:  97% (834/858)   
Resolving deltas:  98% (849/858)   
Resolving deltas:  99% (852/858)   
Resolving deltas: 100% (858/858)   
Resolving deltas: 100% (858/858), done.
From https://github.com/iluwatar/java-design-patterns
 * branch            refs/pull/913/merge -> FETCH_HEAD
travis_time:end:104ada8c:start=1564443586681720053,finish=1564443587413242404,duration=731522351
$ git checkout -qf FETCH_HEAD
travis_fold:end:git.checkout
travis_fold:start:git.submodule
travis_time:start:06b7d444
$ git submodule update --init --recursive
Submodule 'patterns' (https://github.com/iluwatar/java-design-patterns.git) registered for path 'patterns'
Submodule 'programming-principles' (https://github.com/webpro/programming-principles.git) registered for path 'programming-principles'
Cloning into '/home/travis/build/iluwatar/java-design-patterns/patterns'...
Cloning into '/home/travis/build/iluwatar/java-design-patterns/programming-principles'...
Submodule path 'patterns': checked out '517c20960d1ac42c1c6a031df360baf27ef8d683'
Submodule path 'programming-principles': checked out '0b6db25cab685b2e0af9adde6552cb27182fb944'
travis_time:end:06b7d444:start=1564443587470523332,finish=1564443589730009881,duration=2259486549
travis_fold:end:git.submodule
Setting environment variables from .travis.yml
$ export NOKOGIRI_USE_SYSTEM_LIBRARIES=true
travis_fold:start:rvm
travis_time:start:1767b85c
$ rvm use 2.2.0 --install --binary --fuzzy
curl: (22) The requested URL returned error: 404 Not Found
Required ruby-2.2.0 is not installed - installing.
curl: (22) The requested URL returned error: 404 Not Found
Searching for binary rubies, this might take some time.
Found remote file https://rvm_io.global.ssl.fastly.net/binaries/ubuntu/14.04/x86_64/ruby-2.2.0.tar.bz2
Checking requirements for ubuntu.
Requirements installation successful.
ruby-2.2.0 - #configure
ruby-2.2.0 - #download
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
  0 23.2M    0 97632    0     0  1094k      0  0:00:21 --:--:--  0:00:21 1083k
100 23.2M  100 23.2M    0     0   103M      0 --:--:-- --:--:-- --:--:--  102M
ruby-2.2.0 - #validate archive
ruby-2.2.0 - #extract
ruby-2.2.0 - #validate binary
ruby-2.2.0 - #setup
ruby-2.2.0 - #gemset created /home/travis/.rvm/gems/ruby-2.2.0@global
** Updating RubyGems to the latest compatible version for security reasons. **
** If you need an older version, you can downgrade with 'gem update --system OLD_VERSION'. **
ruby-2.2.0 - #importing gemset /home/travis/.rvm/gemsets/global.gems|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|.
ruby-2.2.0 - #generating global wrappers|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/.
ruby-2.2.0 - #uninstalling gem rubygems-bundler-1.4.4|/.
ruby-2.2.0 - #gemset created /home/travis/.rvm/gems/ruby-2.2.0
ruby-2.2.0 - #importing gemset /home/travis/.rvm/gemsets/default.gems|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\.
ruby-2.2.0 - #generating default wrappers|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-\|/-.|/-\|/-\|.-\|/-.
Using /home/travis/.rvm/gems/ruby-2.2.0
travis_time:end:1767b85c:start=1564443589745276873,finish=1564443621181928593,duration=31436651720
travis_fold:end:rvm
$ export BUNDLE_GEMFILE=$PWD/Gemfile
travis_fold:start:cache.1
Setting up build cache
$ export CASHER_DIR=${TRAVIS_HOME}/.casher
travis_time:start:00f2ff5e
$ Installing caching utilities
travis_time:end:00f2ff5e:start=1564443621999567535,finish=1564443622180718158,duration=181150623
travis_time:start:087197b8
travis_time:end:087197b8:start=1564443622186264300,finish=1564443622189444369,duration=3180069
travis_time:start:25c38aa7
attempting to download cache archive
fetching PR.913/cache-linux-trusty-e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855--jdk-oraclejdk8--rvm-2.2.0--gemfile-Gemfile.tgz
found cache
travis_time:end:25c38aa7:start=1564443622193619404,finish=1564443627101422218,duration=4907802814
travis_fold:end:cache.1
travis_fold:start:cache.bundler
travis_time:start:0ff3c138
travis_time:end:0ff3c138:start=1564443627106443810,finish=1564443627109687500,duration=3243690
travis_time:start:07324b21
adding /home/travis/build/iluwatar/java-design-patterns/vendor/bundle to cache
creating directory /home/travis/build/iluwatar/java-design-patterns/vendor/bundle
travis_time:end:07324b21:start=1564443627113752508,finish=1564443628270518714,duration=1156766206
travis_fold:end:cache.bundler
travis_fold:start:ruby.versions
$ ruby --version
ruby 2.2.0p0 (2014-12-25 revision 49005) [x86_64-linux]
$ rvm --version
rvm 1.29.3 (latest) by Michal Papis, Piotr Kuczynski, Wayne E. Seguin [https://rvm.io]
$ bundle --version
Bundler version 1.16.6
$ gem --version
2.7.8
travis_fold:end:ruby.versions
travis_fold:start:before_install.1
travis_time:start:21a6605f
$ sudo apt-get update
0% [Working]
            
Hit:1 http://security.ubuntu.com/ubuntu trusty-security InRelease
            
Hit:2 http://dl.hhvm.com/ubuntu trusty InRelease
            
Hit:4 http://ppa.launchpad.net/chris-lea/redis-server/ubuntu trusty InRelease
0% [Waiting for headers] [Waiting for headers] [Waiting for headers] [Waiting f
                                                                               
Hit:6 http://apt.postgresql.org/pub/repos/apt trusty-pgdg InRelease
0% [Waiting for headers] [Waiting for headers] [Waiting for headers] [Waiting f
0% [1 InRelease gpgv 65.9 kB] [Waiting for headers] [Waiting for headers] [Wait
0% [Connecting to apt.cache.travis-ci.com] [1 InRelease gpgv 65.9 kB] [Waiting 
                                                                               
Hit:3 http://dl.bintray.com/apache/cassandra 39x InRelease
0% [Waiting for headers] [1 InRelease gpgv 65.9 kB] [Waiting for headers] [Wait
                                                                               
Ign:7 http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.4 InRelease
0% [Waiting for headers] [1 InRelease gpgv 65.9 kB] [Waiting for headers] [Wait
                                                                               
Hit:8 http://repo.mongodb.org/apt/ubuntu trusty/mongodb-org/3.4 Release
0% [Waiting for headers] [1 InRelease gpgv 65.9 kB] [Waiting for headers] [Wait
0% [Waiting for headers] [Waiting for headers] [Waiting for headers] [Waiting f
0% [Waiting for headers] [2 InRelease gpgv 3,106 B] [Waiting for headers] [Wait
0% [Waiting for headers] [Waiting for headers] [Waiting for headers] [Waiting f
0% [Waiting for headers] [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Wait
                                                                               
Ign:5 http://heroku-toolbelt.s3.amazonaws.com/apt ./ InRelease
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Waiting for headers] [Wait
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Waiting for headers] [Wait
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Waiting for headers] [Wait
                                                                               
Ign:10 http://ppa.launchpad.net/couchdb/stable/ubuntu trusty InRelease
0% [Waiting for headers] [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Wait
                                                                               
Hit:9 http://heroku-toolbelt.s3.amazonaws.com/apt ./ Release
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Waiting for headers] [Wait
                                                                               
Ign:11 http://archive.ubuntu.com/ubuntu trusty InRelease
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Waiting for headers] [Wait
                                                                               
Hit:12 http://ppa.launchpad.net/git-core/ppa/ubuntu trusty InRelease
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Waiting for headers] [Wait
                                                                               
Hit:13 http://archive.ubuntu.com/ubuntu trusty-updates InRelease
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Waiting for headers] [Wait
                                                                               
Hit:14 http://ppa.launchpad.net/openjdk-r/ppa/ubuntu trusty InRelease
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Waiting for headers] [Wait
                                                                               
Hit:15 http://archive.ubuntu.com/ubuntu trusty-backports InRelease
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Waiting for headers] [Wait
                                                                               
Hit:16 http://ppa.launchpad.net/pollinate/ppa/ubuntu trusty InRelease
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Waiting for headers] [Wait
                                                                               
Hit:17 https://download.docker.com/linux/ubuntu trusty InRelease
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Waiting for headers] [Wait
                                                                               
Hit:18 http://archive.ubuntu.com/ubuntu trusty Release
                                                                               
Hit:19 http://ppa.launchpad.net/webupd8team/java/ubuntu trusty InRelease
                                                                               
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers] [Waiting for headers]
                                                                         
Hit:20 http://ppa.launchpad.net/couchdb/stable/ubuntu trusty Release
                                                                         
0% [4 InRelease gpgv 15.4 kB] [Waiting for headers]
                                                   
0% [Waiting for headers]
0% [6 InRelease gpgv 56.5 kB] [Waiting for headers]
                                                   
Ign:21 http://dl.google.com/linux/chrome/deb stable InRelease
                                                   
0% [6 InRelease gpgv 56.5 kB]
                             
Hit:22 http://dl.google.com/linux/chrome/deb stable Release
0% [6 InRelease gpgv 56.5 kB]
                             
0% [Working]
0% [3 InRelease gpgv 3,168 B]
                             
0% [Working]
0% [Release.gpg gpgv 2,495 B]
                             
0% [Working]
0% [Release.gpg gpgv 1,609 B]
                             
0% [Working]
0% [12 InRelease gpgv 20.8 kB]
                              
0% [Working]
0% [13 InRelease gpgv 65.9 kB]
                              
0% [Working]
0% [14 InRelease gpgv 15.4 kB]
                              
0% [Working]
0% [15 InRelease gpgv 65.9 kB]
                              
Hit:25 https://packagecloud.io/computology/apt-backport/ubuntu trusty InRelease
0% [15 InRelease gpgv 65.9 kB]
                              
0% [Working]
0% [16 InRelease gpgv 15.4 kB]
                              
0% [Working]
0% [17 InRelease gpgv 37.1 kB]
                              
0% [Working]
0% [Release.gpg gpgv 58.5 kB]
                             
Get:26 https://packagecloud.io/github/git-lfs/ubuntu trusty InRelease [23.2 kB]
0% [Release.gpg gpgv 58.5 kB] [26 InRelease 8,604 B/23.2 kB 37%]
                                                                
0% [26 InRelease 8,604 B/23.2 kB 37%]
0% [19 InRelease gpgv 15.5 kB] [26 InRelease 8,604 B/23.2 kB 37%]
                                                                 
0% [19 InRelease gpgv 15.5 kB]
                              
0% [Working]
0% [Release.gpg gpgv 15.1 kB]
                             
0% [Working]
0% [Release.gpg gpgv 943 B]
                           
0% [Working]
0% [25 InRelease gpgv 23.5 kB]
                              
0% [Working]
0% [26 InRelease gpgv 23.2 kB]
                              
Ign:26 https://packagecloud.io/github/git-lfs/ubuntu trusty InRelease
                              
0% [Working]
            
Hit:30 https://packagecloud.io/rabbitmq/rabbitmq-server/ubuntu trusty InRelease
0% [Working]
0% [30 InRelease gpgv 23.7 kB]
                              
20% [Working]
             
Fetched 23.2 kB in 1s (18.5 kB/s)
Reading package lists... 0%
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Reading package lists... Done
W: http://ppa.launchpad.net/couchdb/stable/ubuntu/dists/trusty/Release.gpg: Signature by key 15866BAFD9BCC4F3C1E0DFC7D69548E1C17EAB57 uses weak digest algorithm (SHA1)
W: GPG error: https://packagecloud.io/github/git-lfs/ubuntu trusty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6B05F25D762E3157
W: The repository 'https://packagecloud.io/github/git-lfs/ubuntu trusty InRelease' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: There is no public key available for the following key IDs:
6B05F25D762E3157  
travis_time:end:21a6605f:start=1564443628768518686,finish=1564443631930692834,duration=3162174148
travis_fold:end:before_install.1
travis_fold:start:before_install.2
travis_time:start:23b92b00
$ sudo apt-get install -y curl
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Reading state information... Done
The following additional packages will be installed:
  libcurl3
The following packages will be upgraded:
  curl libcurl3
2 upgraded, 0 newly installed, 0 to remove and 302 not upgraded.
Need to get 297 kB of archives.
After this operation, 2,048 B of additional disk space will be used.
0% [Working]
            
Get:1 http://archive.ubuntu.com/ubuntu trusty-updates/main amd64 curl amd64 7.35.0-1ubuntu2.20 [123 kB]
1% [1 curl 4,096 B/123 kB 3%]
                             
43% [Working]
             
Get:2 http://archive.ubuntu.com/ubuntu trusty-updates/main amd64 libcurl3 amd64 7.35.0-1ubuntu2.20 [173 kB]
43% [2 libcurl3 0 B/173 kB 0%]
                              
100% [Working]
              
Fetched 297 kB in 0s (18.3 MB/s)
(Reading database ... 
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(Reading database ... 100%
(Reading database ... 93695 files and directories currently installed.)
Preparing to unpack .../curl_7.35.0-1ubuntu2.20_amd64.deb ...
Unpacking curl (7.35.0-1ubuntu2.20) over (7.35.0-1ubuntu2.13) ...
Preparing to unpack .../libcurl3_7.35.0-1ubuntu2.20_amd64.deb ...
Unpacking libcurl3:amd64 (7.35.0-1ubuntu2.20) over (7.35.0-1ubuntu2.13) ...
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Setting up libcurl3:amd64 (7.35.0-1ubuntu2.20) ...
Setting up curl (7.35.0-1ubuntu2.20) ...
Processing triggers for libc-bin (2.19-0ubuntu6.13) ...
travis_time:end:23b92b00:start=1564443631935789300,finish=1564443634232618088,duration=2296828788
travis_fold:end:before_install.2
travis_fold:start:install
travis_time:start:0515aac0
$ bundle install --jobs=3 --retry=3
Fetching gem metadata from https://rubygems.org/.........
Fetching i18n 0.7.0
Fetching json 1.8.3
Installing json 1.8.3 with native extensions
Installing i18n 0.7.0
Fetching minitest 5.9.0
Installing minitest 5.9.0
Fetching thread_safe 0.3.5
Installing thread_safe 0.3.5
Fetching addressable 2.4.0
Installing addressable 2.4.0
Using bundler 1.16.6
Fetching coffee-script-source 1.10.0
Installing coffee-script-source 1.10.0
Fetching execjs 2.7.0
Installing execjs 2.7.0
Fetching colorator 1.1.0
Installing colorator 1.1.0
Fetching colored 1.2
Installing colored 1.2
Fetching deep_merge 1.0.0
Installing deep_merge 1.0.0
Fetching dotenv 1.0.2
Installing dotenv 1.0.2
Fetching ffi 1.9.14
Installing ffi 1.9.14 with native extensions
Fetching multipart-post 2.0.0
Installing multipart-post 2.0.0
Fetching forwardable-extended 2.6.0
Fetching gemoji 2.1.0
Installing forwardable-extended 2.6.0
Fetching net-dns 0.8.0
Installing net-dns 0.8.0
Fetching public_suffix 1.5.3
Installing public_suffix 1.5.3
Fetching sass 3.4.22
Installing gemoji 2.1.0
Installing sass 3.4.22
Fetching rb-fsevent 0.9.7
Installing rb-fsevent 0.9.7
Fetching kramdown 1.11.1
Installing kramdown 1.11.1
Fetching liquid 3.0.6
Installing liquid 3.0.6
Fetching mercenary 0.3.6
Fetching rouge 1.11.1
Installing mercenary 0.3.6
Fetching safe_yaml 1.0.4
Installing rouge 1.11.1
Installing safe_yaml 1.0.4
Fetching jekyll-feed 0.5.1
Fetching mini_portile2 2.1.0
Installing jekyll-feed 0.5.1
Fetching pkg-config 1.1.7
Installing mini_portile2 2.1.0
Fetching jekyll-paginate 1.1.0
Installing pkg-config 1.1.7
Fetching jekyll-sitemap 0.10.0
Installing jekyll-paginate 1.1.0
Installing jekyll-sitemap 0.10.0
Fetching minima 1.0.1
Fetching terminal-table 1.6.0
Installing minima 1.0.1
Installing terminal-table 1.6.0
Fetching parallel 1.9.0
Fetching yell 2.0.6
Installing parallel 1.9.0
Fetching thor 0.19.1
Installing yell 2.0.6
Fetching tzinfo 1.2.2
Installing thor 0.19.1
Installing tzinfo 1.2.2
Fetching coffee-script 2.4.1
Fetching configure-s3-website 1.7.1
Installing coffee-script 2.4.1
Fetching ethon 0.9.0
Installing configure-s3-website 1.7.1
Installing ethon 0.9.0
Fetching rb-inotify 0.9.7
Fetching faraday 0.9.2
Installing rb-inotify 0.9.7
Fetching pathutil 0.14.0
Installing faraday 0.9.2
Fetching jekyll-sass-converter 1.3.0
Installing pathutil 0.14.0
Fetching nokogiri 1.6.8
Installing jekyll-sass-converter 1.3.0
Fetching activesupport 4.2.7
Installing activesupport 4.2.7
Fetching jekyll-coffeescript 1.0.1
Installing nokogiri 1.6.8 with native extensions
Installing jekyll-coffeescript 1.0.1
Fetching s3_website 2.15.0
Installing s3_website 2.15.0
Fetching typhoeus 0.8.0
Installing typhoeus 0.8.0
Fetching listen 3.0.6
Installing listen 3.0.6
Fetching sawyer 0.7.0
Installing sawyer 0.7.0
Fetching jekyll-watch 1.5.0
Installing jekyll-watch 1.5.0
Fetching octokit 4.3.0
Installing octokit 4.3.0
Fetching jekyll 3.2.1
Installing jekyll 3.2.1
Fetching github-pages-health-check 1.2.0
Installing github-pages-health-check 1.2.0
Fetching jekyll-gist 1.4.0
Installing jekyll-gist 1.4.0
Fetching jekyll-github-metadata 2.0.2
Installing jekyll-github-metadata 2.0.2
Fetching jekyll-redirect-from 0.11.0
Installing jekyll-redirect-from 0.11.0
Fetching jekyll-seo-tag 2.0.0
Installing jekyll-seo-tag 2.0.0
Fetching html-pipeline 2.4.2
Fetching html-proofer 3.0.6
Installing html-proofer 3.0.6
Installing html-pipeline 2.4.2
Fetching jekyll-mentions 1.1.3
Fetching jemoji 0.7.0
Installing jemoji 0.7.0
Installing jekyll-mentions 1.1.3
Fetching github-pages 93
Installing github-pages 93
Bundle complete! 4 Gemfile dependencies, 63 gems now installed.
Use `bundle info [gemname]` to see where a bundled gem is installed.
Post-install message from html-pipeline:
-------------------------------------------------
Thank you for installing html-pipeline!
You must bundle Filter gem dependencies.
See html-pipeline README.md for more details.
https://github.com/jch/html-pipeline#dependencies
-------------------------------------------------
Post-install message from github-pages:
---------------------------------------------------
Thank you for installing github-pages!
GitHub Pages recently upgraded to Jekyll 3.0, which
includes some breaking changes. More information:
https://github.com/blog/2100-github-pages-jekyll-3
---------------------------------------------------
travis_time:end:0515aac0:start=1564443634238098508,finish=1564443660523128267,duration=26285029759
travis_fold:end:install
travis_time:start:3786f210
$ bash cibuild.sh
Configuration file: /home/travis/build/iluwatar/java-design-patterns/_config.yml
            Source: /home/travis/build/iluwatar/java-design-patterns
       Destination: /home/travis/build/iluwatar/java-design-patterns/_site
 Incremental build: disabled. Enable with --incremental
      Generating... 
                    done in 10.918 seconds.
 Auto-regeneration: disabled. Use --watch to enable.
Running ["HtmlCheck", "ImageCheck", "ScriptCheck", "LinkCheck"] on ["./_site/"] on *.html... 
Checking 391 external links...
Ran on 133 files!
- ./_site/blog/build-maintainable-systems-with-hexagonal-architecture/index.html
  *  External link https://isis.apache.org/ failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
- ./_site/index.html
  *  External link https://img.shields.io/badge/license-MIT-blue.svg failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
- ./_site/patterns/abstract-factory/etc/presentation.html
  *  External link https://remarkjs.com/downloads/remark-latest.min.js failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
- ./_site/patterns/abstract-factory/index.html
  *  External link https://www.journaldev.com/1418/abstract-factory-design-pattern-in-java failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
- ./_site/patterns/acyclic-visitor/index.html
  *  internally linking to ../visitor/README.md, which does not exist (line 1)
- ./_site/patterns/bridge/index.html
  *  External link https://www.journaldev.com/1491/bridge-design-pattern-java failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
- ./_site/patterns/chain/index.html
  *  External link https://commons.apache.org/proper/commons-chain/index.html failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
- ./_site/patterns/decorator/index.html
  *  External link https://www.journaldev.com/1540/decorator-design-pattern-in-java-example failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
- ./_site/patterns/eip-message-channel/index.html
  *  External link http://doc.akka.io/docs/akka/snapshot/scala/camel.html failed: 301 SSL connect error
- ./_site/patterns/front-controller/index.html
  *  External link https://struts.apache.org/ failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
- ./_site/patterns/half-sync-half-async/index.html
  *  External link http://www.cs.wustl.edu/~schmidt/PDF/PLoP-95.pdf failed: 301 Peer certificate cannot be authenticated with given CA certificates
- ./_site/patterns/hexagonal/etc/presentation.html
  *  External link https://gnab.github.io/remark/downloads/remark-latest.min.js failed: 301 SSL connect error
- ./_site/patterns/intercepting-filter/index.html
  *  External link http://www.javagyan.com/tutorials/corej2eepatterns/presentation-tier-patterns failed: 403 No error
  *  External link https://struts.apache.org/docs/interceptors.html failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
  *  External link https://tomcat.apache.org/tomcat-8.0-doc/servletapi/javax/servlet/Filter.html failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
  *  External link https://tomcat.apache.org/tomcat-8.0-doc/servletapi/javax/servlet/FilterChain.html failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
  *  External link https://www.baeldung.com/intercepting-filter-pattern-in-java failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
- ./_site/patterns/poison-pill/index.html
  *  External link http://doc.akka.io/docs/akka/2.1.4/java/untyped-actors.html failed: 301 SSL connect error
- ./_site/patterns/proxy/index.html
  *  External link https://commons.apache.org/proper/commons-proxy/ failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
- ./_site/patterns/reactor/index.html
  *  External link http://netty.io/ failed: 301 SSL connect error
- ./_site/patterns/strategy/index.html
  *  External link https://www.journaldev.com/1754/strategy-design-pattern-in-java-example-tutorial failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
- ./_site/patterns/template-method/index.html
  *  External link https://www.journaldev.com/1763/template-method-design-pattern-in-java failed: response code 0 means something's wrong.
             It's possible libcurl couldn't connect to the server or perhaps the request timed out.
             Sometimes, making too many requests at once also breaks things.
             Either way, the return message (if any) from the server is: SSL connect error
htmlproofer 3.0.6 | Error:  HTML-Proofer found 22 failures!
travis_time:end:3786f210:start=1564443660528193207,finish=1564443695785883229,duration=35257690022
The command "bash cibuild.sh" exited with 1.
travis_fold:start:cache.2
store build cache
$ bundle clean
Cleaning all the gems on your system is dangerous! If you're sure you want to
remove every system gem not in this bundle, run `bundle clean --force`.
travis_time:start:04eea120
travis_time:end:04eea120:start=1564443696010208874,finish=1564443696013772065,duration=3563191
travis_time:start:07829694
nothing changed
travis_time:end:07829694:start=1564443696018418724,finish=1564443697173456474,duration=1155037750
travis_fold:end:cache.2
travis_fold:start:after_script
travis_time:start:0f4f7628
$ if [ "$TRAVIS_BRANCH" == "gh-pages" ]; then travis_retry bundle exec s3_website push; fi
[info] Downloading https://github.com/laurilehmijoki/s3_website/releases/download/v2.15.0/s3_website.jar into /home/travis/.rvm/gems/ruby-2.2.0/gems/s3_website-2.15.0/s3_website-2.15.0.jar
[info] Deploying /home/travis/build/iluwatar/java-design-patterns/_site/* to java-design-patterns.com
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 1 second.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 1 second.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 2 seconds.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 2 seconds.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 3 seconds.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 3 seconds.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 5 seconds.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 5 seconds.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 8 seconds.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 8 seconds.
[fail] Failed to fetch an object listing (Access key cannot be null.)
[fail] Failed to upload index.html (Access key cannot be null.)
[info] Summary: 3 operations failed.
[fail] Failed to push the website to http://java-design-patterns.com.s3-website-us-east-1.amazonaws.com
The command "bundle exec s3_website push" failed. Retrying, 2 of 3.
[info] Deploying /home/travis/build/iluwatar/java-design-patterns/_site/* to java-design-patterns.com
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 1 second.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 1 second.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 2 seconds.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 2 seconds.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 3 seconds.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 3 seconds.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 5 seconds.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 5 seconds.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 8 seconds.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 8 seconds.
[fail] Failed to fetch an object listing (Access key cannot be null.)
[fail] Failed to upload index.html (Access key cannot be null.)
[info] Summary: 3 operations failed.
[fail] Failed to push the website to http://java-design-patterns.com.s3-website-us-east-1.amazonaws.com
The command "bundle exec s3_website push" failed. Retrying, 3 of 3.
[info] Deploying /home/travis/build/iluwatar/java-design-patterns/_site/* to java-design-patterns.com
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 1 second.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 1 second.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 2 seconds.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 2 seconds.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 3 seconds.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 3 seconds.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 5 seconds.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 5 seconds.
[wait] Failed to upload index.html (Access key cannot be null.). Trying again in 8 seconds.
[wait] Failed to fetch an object listing (Access key cannot be null.). Trying again in 8 seconds.
[fail] Failed to upload index.html (Access key cannot be null.)
[fail] Failed to fetch an object listing (Access key cannot be null.)
[info] Summary: 3 operations failed.
[fail] Failed to push the website to http://java-design-patterns.com.s3-website-us-east-1.amazonaws.com
The command "bundle exec s3_website push" failed 3 times.
travis_time:end:0f4f7628:start=1564443697178593456,finish=1564443781036665891,duration=83858072435
travis_fold:end:after_script
Done. Your build exited with 1.