Travis build fails

i have a linux appp that builds in Travis .
but after modifying the folder structure it is failing .
i don’t know what i am doing wrong ?

herer is the error

The command “make INSTALL_ROOT=appdir -j$(nproc) install ; find appdir/” exited with 1.
3.95s$ wget -c -nv “
2018-06-02 04:01:16 URL: [14612408/14612408] -> “linuxdeployqt-continuous-x86_64.AppImage” 1

here is the Travis page

and here is app GITHUBpage

Travis build fails