Running command: /home/vishnudev/Documents/Programming/ubuntu/youtubedl/platforms/ubuntu/cordova/build --device --framework ubuntu-sdk-15.04
Building Phone Application...
find . -name AutomocInfo.cmake | xargs sed -i 's;AM_QT_MOC_EXECUTABLE .*;AM_QT_MOC_EXECUTABLE "/usr/lib/'$(dpkg-architecture -qDEB_BUILD_MULTIARCH)'/qt5/bin/moc");' FAILED
sed: no input files

Try running the task again with --verbose for more logs.
Example: cordova run -- --verbose
ERROR building one of the platforms: Error: /home/vishnudev/Documents/Programming/ubuntu/youtubedl/platforms/ubuntu/cordova/build: Command failed with exit code 1
You may not have the required environment or OS to build this project
Error: /home/vishnudev/Documents/Programming/ubuntu/youtubedl/platforms/ubuntu/cordova/build: Command failed with exit code 1
vishnudev@vishnudev-dell-xps:~/Documents/Programming/ubuntu/youtubedl$