Unity 5.3 in Arch Linux Editor.log

$ cat .config/unity3d/Editor.log
mono profile = '/opt/Unity/Editor/Data/Mono/lib/mono/2.0'
Initialize mono
Mono path[0] = '/opt/Unity/Editor/Data/Managed'
Mono path[1] = '/opt/Unity/Editor/Data/Mono/lib/mono/2.0'
Mono path[2] = '/opt/Unity/Editor/Data/UnityScript'
Mono path[3] = '/opt/Unity/Editor/Data/Mono/lib/mono/2.0'
Mono config path = '/opt/Unity/Editor/Data/Mono/etc'
Using monoOptions --debugger-agent=transport=dt_socket,embedding=1,defer=y,address=0.0.0.0:56954
Desktop is 1366 x 768 @ 60 Hz

Selecting FBConfig
GLX_FBCONFIG_ID=118
GLX_BUFFER_SIZE=32
GLX_DOUBLEBUFFER=1
GLX_RED_SIZE=8
GLX_GREEN_SIZE=8
GLX_BLUE_SIZE=8
GLX_ALPHA_SIZE=8
GLX_DEPTH_SIZE=24
GLX_STENCIL_SIZE=8
GLX_SAMPLES_ARB=0
GLX_SAMPLE_BUFFERS_ARB=0
GLX_STEREO=0
GLX_CONFIG_CAVEAT=NONE

Error: execv(npm): No existe el fichero o el directorio

(Filename: /home/builduser/buildslave/unity/build/Editor/Platform/Linux/EditorUtility.cpp Line: 36)

ListPackages failed, output:
Error: execv(npm): No existe el fichero o el directorio

(Filename: /home/builduser/buildslave/unity/build/Editor/Platform/Linux/EditorUtility.cpp Line: 36)

InstallEditorPackages failed, output: process_set_termination_details: error looking up process handle 0x401

installJavascriptPackages failed

(Filename: /home/builduser/buildslave/unity/build/Runtime/Utilities/Argv.cpp Line: 168)

ATTENTION: default value of option force_s3tc_enable overridden by environment.
[1218/181010:ERROR:gpu_process_transport_factory.cc(402)] Failed to establish GPU channel.
Error loading file:///%2Fhome%2Fwulfara%2F.local%2Fshare%2Funity3d%2FPackages%2Fnode_modules%2Funity-editor-home%2Fdist/index.html#/project/recent

(Filename: /home/builduser/buildslave/unity/build/Editor/Platform/Interface/NativeWebViewWindow.cpp Line: 50)

process_set_termination_details: error looking up process handle 0x401