08:38:00.999 INFO - Found handler: org.openqa.selenium.remote.server.commandhandler.BeginSession@37af0d6a
08:38:01.012 INFO - /session: Executing POST on /session (handler: BeginSession)
08:38:01.018 INFO - Capabilities are: Capabilities {browserName: firefox, platform: WIN10}
08:38:01.020 INFO - Capabilities {browserName: firefox, platform: WIN10} matched class org.openqa.selenium.remote.server.ServicedSession$Factory (provider: org.openqa.selenium.firefox.GeckoDriverService)
1511098681174   geckodriver     INFO    Listening on 127.0.0.1:11046
1511098681824   mozprofile::profile     INFO    Using profile path C:\Users\arkbr\AppData\Local\Temp\rust_mozprofile.Q4XWXbaBhCOq
1511098681840   geckodriver::marionette INFO    Starting browser C:\Program Files (x86)\Mozilla Firefox\firefox.exe
1511098681863   geckodriver::marionette INFO    Connecting to Marionette on localhost:55535
1511098682621   addons.xpi      WARN    Error parsing extensions state: [Exception... "Component returned failure code: 0x80520012 (NS_ERROR_FILE_NOT_FOUND) [amIAddonManagerStartup.readStartupData]"  nsresult: "0x80520012 (NS_ERROR_FILE_NOT_FOUND)"  location: "JS frame :: resource://gre/modules/addons/XPIProvider.jsm :: loadExtensionState :: line 1596"  data: no] Stack trace: loadExtensionState()@resource://gre/modules/addons/XPIProvider.jsm:1596 < getInstallState()@resource://gre/modules/addons/XPIProvider.jsm:1631 < checkForChanges()@resource://gre/modules/addons/XPIProvider.jsm:3152 < startup()@resource://gre/modules/addons/XPIProvider.jsm:2246 < callProvider()@resource://gre/modules/AddonManager.jsm:271 < _startProvider()@resource://gre/modules/AddonManager.jsm:741 < startup()@resource://gre/modules/AddonManager.jsm:908 < startup()@resource://gre/modules/AddonManager.jsm:3122 < observe()@jar:file:///C:/Program%20Files%20(x86)/Mozilla%20Firefox/omni.ja!/components/addonManager.js:65
[Child 14352] WARNING: pipe error: 109: file c:/builds/moz2_slave/m-rel-w32-00000000000000000000/build/src/ipc/chromium/src/chrome/common/ipc_channel_win.cc, line 346