Antergos Plasma5 Wayland

$ kwin_wayland --xwayland --x11-display :0
No backend specified through command line argument, trying auto resolution
kglobalaccel-runtime: Failed to register service org.kde.kglobalaccel
OpenGL vendor string:                   Intel Open Source Technology Center
OpenGL renderer string:                 Mesa DRI Intel(R) Haswell Desktop
OpenGL version string:                  4.5 (Core Profile) Mesa 18.2.0
OpenGL shading language version string: 4.50
Driver:                                 Intel
GPU class:                              Haswell
OpenGL version:                         4.5
GLSL version:                           4.50
Mesa version:                           18.2
Linux kernel version:                   4.18.7
Requires strict binding:                no
GLSL shaders:                           yes
Texture NPOT support:                   yes
Virtual Machine:                        no
_XSERVTransSocketUNIXCreateListener: ...SocketCreateListener() failed
_XSERVTransMakeAllCOTSServerListeners: server already running
glamor: No eglstream capable devices found
The XKEYBOARD keymap compiler (xkbcomp) reports:
> Warning:          Unsupported high keycode 372 for name <I372> ignored
>                   X11 cannot support keycodes above 255.
>                   This warning only shows for the first high keycode.
Errors from xkbcomp are not fatal to the X server
X-Server started on display :1
Configuring Lock Action
kf5.kcoreaddons.desktopparser: Property type "Url" is not a known QVariant type. Found while parsing property definition for "X-KWin-Video-Url" in "/usr/share/kservicetypes5/kwineffect.desktop"
Session path: "/org/freedesktop/login1/session/_37"
The XKEYBOARD keymap compiler (xkbcomp) reports:
> Warning:          Unsupported maximum keycode 374, clipping.
>                   X11 cannot support keycodes above 255.
> Warning:          Unsupported high keycode 372 for name <I372> ignored
>                   X11 cannot support keycodes above 255.
>                   This warning only shows for the first high keycode.
Errors from xkbcomp are not fatal to the X server
QSocketNotifier: Invalid socket 20 with type Read, disabling...
The X11 connection broke (error 1). Did the X11 server die?