Editor doesnt start

First time playing with Unity. Create account, installed Unity from AUR (Arch Linux).
After open it, choose license, nothing happened. Then I try offline auth: same.
Checking logs:

==================== LOGS START ====================

==> Editor-prev.log <==
Desktop is 1366 x 768 @ 60 Hz
[Package Manager] Server::Start -- Port 33339 was selected

COMMAND LINE ARGUMENTS:
/opt/Unity/Editor/Unity
-no-throttle-updates
[0913/130739:ERROR:browser_main_loop.cc(161)] Running without the SUID sandbox! See https://code.google.com/p/chromium/wiki/LinuxSUIDSandboxDevelopment for more information on developing with the sandbox on.
Gtk-Message: 13:07:39.164: GtkDialog mapped without a transient parent. This is discouraged.
[0913/130739:ERROR:sandbox_linux.cc(308)] InitializeSandbox() called with multiple threads in process gpu-process
[0913/130739:ERROR:renderer_main.cc(227)] Running without renderer sandbox
[0913/130748:ERROR:browser_main_loop.cc(207)] Gtk: gtk_widget_get_window: assertion 'GTK_IS_WIDGET (widget)' failed
[0913/130748:ERROR:browser_main_loop.cc(207)] Gtk: gtk_widget_get_window: assertion 'GTK_IS_WIDGET (widget)' failed
[Unity Package Manager (Upm)]
Parent process [728] was terminated

==> Editor.log <==
Desktop is 1366 x 768 @ 60 Hz
[Package Manager] Server::Start -- Port 46536 was selected

COMMAND LINE ARGUMENTS:
/opt/Unity/Editor/Unity
-no-throttle-updates
[0913/130750:ERROR:browser_main_loop.cc(161)] Running without the SUID sandbox! See https://code.google.com/p/chromium/wiki/LinuxSUIDSandboxDevelopment for more information on developing with the sandbox on.
Gtk-Message: 13:07:50.942: GtkDialog mapped without a transient parent. This is discouraged.
[0913/130750:ERROR:sandbox_linux.cc(308)] InitializeSandbox() called with multiple threads in process gpu-process
[0913/130750:ERROR:renderer_main.cc(227)] Running without renderer sandbox
[0913/130753:ERROR:browser_main_loop.cc(207)] Gtk: gtk_file_chooser_widget_set_current_name: assertion 'priv->action == GTK_FILE_CHOOSER_ACTION_SAVE || priv->action == GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER' failed
Gtk-Message: 13:07:53.404: GtkDialog mapped without a transient parent. This is discouraged.
[0913/130810:ERROR:browser_main_loop.cc(207)] Gtk: gtk_file_chooser_widget_set_current_name: assertion 'priv->action == GTK_FILE_CHOOSER_ACTION_SAVE || priv->action == GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER' failed
Gtk-Message: 13:08:10.514: GtkDialog mapped without a transient parent. This is discouraged.
UnityConnectOrganizationRequest: Timed out while fetching orgs - please check your network connection
Request timed out while processing request "https://core.cloud.unity3d.com/api/orgs", HTTP error code 0
.[UnityConnect] Request timed out.
UnityConnectOrganizationRequest: Timed out while fetching orgs - please check your network connection
Request timed out while processing request "https://core.cloud.unity3d.com/api/orgs", HTTP error code 0
.[UnityConnect] Request timed out.
[0913/131216:ERROR:browser_main_loop.cc(207)] Gtk: gtk_widget_get_window: assertion 'GTK_IS_WIDGET (widget)' failed
[0913/131216:ERROR:browser_main_loop.cc(207)] Gtk: gtk_widget_get_window: assertion 'GTK_IS_WIDGET (widget)' failed
[Unity Package Manager (Upm)]
Parent process [795] was terminated

==> upm.log <==
{"level":"info","message":"Starting Server","timestamp":"2018-09-13T16:07:50.941Z"}
{"level":"info","message":"Health Request received","timestamp":"2018-09-13T16:07:51.078Z"}
{"level":"error","message":"[Unity Package Manager (Upm)]\nParent process [795] was terminated","timestamp":"2018-09-13T16:12:17.225Z"}

==================== LOGS END ====================

seems like some asserts for GTK failed. What can I do?
thanks

 

nevermind, today it work (I did nothing)