Passing build with no libsass issues

passing-build.txt

[INFO] --- frontend-maven-plugin:0.0.17:install-node-and-npm (install node and npm) @ ibpworkbench ---
[INFO] Node v0.10.33 is already installed.
[INFO] Found NPM version 2.1.7
[INFO] 
[INFO] --- frontend-maven-plugin:0.0.17:npm (npm install) @ ibpworkbench ---
[INFO] Running 'npm install --color=false' in /home/build/opt/jenkins/jobs/MERGED-IBPWorkbench/workspace/src/main/web
[INFO] npm WARN package.json path@0.4.10 path is also the name of a node core module.
[INFO] 
[INFO] --- frontend-maven-plugin:0.0.17:gulp (gulp clean) @ ibpworkbench ---
[INFO] Running 'gulp clean --no-color' in /home/build/opt/jenkins/jobs/MERGED-IBPWorkbench/workspace/src/main/web
[INFO] [21:32:07] Using gulpfile ~/opt/jenkins/jobs/MERGED-IBPWorkbench/workspace/src/main/web/gulpfile.js
[INFO] [21:32:07] Starting 'clean'...
[INFO] [21:32:07] Finished 'clean' after 12 ms
[INFO] 
[INFO] --- frontend-maven-plugin:0.0.17:gulp (gulp build) @ ibpworkbench ---
[INFO] Running 'gulp build --no-color' in /home/build/opt/jenkins/jobs/MERGED-IBPWorkbench/workspace/src/main/web
[INFO] [21:32:08] Using gulpfile ~/opt/jenkins/jobs/MERGED-IBPWorkbench/workspace/src/main/web/gulpfile.js
[INFO] [21:32:08] Starting 'libJs'...
[INFO] [21:32:08] Starting 'clientJs'...
[INFO] [21:32:08] Starting 'libSass'...
[INFO] [21:32:08] Starting 'clientSass'...
[INFO] [21:32:08] Starting 'appImages'...
[INFO] [21:32:08] Starting 'libImages'...
[INFO] [21:32:08] Starting 'html'...
[INFO] [21:32:08] Starting 'fonts'...
[INFO] [21:32:08] Finished 'html' after 101 ms
[INFO] [21:32:09] Finished 'clientSass' after 428 ms
[INFO] [21:32:09] Finished 'clientJs' after 469 ms
[INFO] [21:32:09] Finished 'libImages' after 421 ms
[INFO] [21:32:09] Finished 'libJs' after 482 ms
[INFO] [21:32:09] Starting 'js'...
[INFO] [21:32:09] Finished 'js' after 9.62 ??s
[INFO] [21:32:09] Finished 'fonts' after 424 ms
[INFO] [21:32:09] Finished 'appImages' after 439 ms
[INFO] [21:32:09] Starting 'images'...
[INFO] [21:32:09] Finished 'images' after 11 ??s
[INFO] [21:32:09] Finished 'libSass' after 485 ms
[INFO] [21:32:09] Starting 'sass'...
[INFO] [21:32:09] Finished 'sass' after 28 ??s
[INFO] [21:32:09] Starting 'build'...
[INFO] [21:32:09] Finished 'build' after 9.95 ??s