(base) ~/src-debugger/mozilla-central ./mach run --jsdebugger
 0:00.65 /Users/Natsume/src-debugger/mozilla-central/obj-x86_64-apple-darwin18.7.0/dist/Nightly.app/Contents/MacOS/firefox --jsdebugger -no-remote -foreground -profile /Users/Natsume/src-debugger/mozilla-central/obj-x86_64-apple-darwin18.7.0/tmp/profile-default
1568947709554	addons.webextension.screenshots@mozilla.org	WARN	Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: mozillaAddons
1568947709554	addons.webextension.screenshots@mozilla.org	WARN	Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: telemetry
1568947709555	addons.webextension.screenshots@mozilla.org	WARN	Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: resource://pdf.js/
1568947709555	addons.webextension.screenshots@mozilla.org	WARN	Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: about:reader*
Debugger Server for Browser Toolbox listening on port: 61853
1568947713199	addons.webextension.screenshots@mozilla.org	WARN	Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: mozillaAddons
1568947713199	addons.webextension.screenshots@mozilla.org	WARN	Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: telemetry
1568947713199	addons.webextension.screenshots@mozilla.org	WARN	Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: resource://pdf.js/
1568947713199	addons.webextension.screenshots@mozilla.org	WARN	Loading extension 'screenshots@mozilla.org': Reading manifest: Invalid extension permission: about:reader*
JavaScript error: https://www.mozilla.org/media/js/BUNDLES/privacy_firefox.8aff52e7b260.js, line 1: TypeError: e[0] is undefined
console.error: ({})
1568948280091	addons.repository	ERROR	Error in addon metadata check: GET https://services.addons.mozilla.org/api/v3/addons/search/?guid=default-theme%40mozilla.org%2Cfirefox-compact-dark%40mozilla.org%2Cfirefox-compact-light%40mozilla.org%2Cgoogle%40search.mozilla.org%2Camazondotcom%40search.mozilla.org%2Cbing%40search.mozilla.org%2Cddg%40search.mozilla.org%2Cebay%40search.mozilla.org%2Ctwitter%40search.mozilla.org%2Cwikipedia%40search.mozilla.org&lang=en-US failed
1568948300102	addons.productaddons	WARN	Failed downloading XML, status: 0, reason: timeout
1568948300187	addons.xpi	ERROR	Failed to download system add-on gmp-gmpopenh264: Error: File /var/folders/gz/ch3n2mp51m9386sytqf97s6w0000gn/T/tmpaddon-1a1d44 does not contain a valid manifest(resource://gre/modules/addons/XPIInstall.jsm:670:11) JS Stack trace: loadManifest@XPIInstall.jsm:670:11
async*loadManifestFromFile@XPIInstall.jsm:735:23
downloadAddon@XPIInstall.jsm:3992:28
Async*updateSystemAddons@XPIInstall.jsm:4000:54
async*XPIProvider[meth]@XPIProvider.jsm:3108:28
backgroundUpdateCheck/buPromise<@AddonManager.jsm:1477:13
async*backgroundUpdateCheck@AddonManager.jsm:1485:7
backgroundUpdateTimerHandler@AddonManager.jsm:3512:26
notify@addonManager.js:172:25
TM_notify/<@UpdateTimerManager.jsm:219:50
TM_notify@UpdateTimerManager.jsm:290:7
1568948340922	addons.productaddons	WARN	Failed downloading via XHR, status: 0, reason: error
1568948340923	addons.xpi	ERROR	Failed to download system add-on gmp-widevinecdm: Error: Failed downloading via XHR, status: 0, reason: error(resource://gre/modules/addons/ProductAddonChecker.jsm:345:16) JS Stack trace: fail@ProductAddonChecker.jsm:345:16
EventListener.handleEvent*downloadFile/<@ProductAddonChecker.jsm:349:9
downloadFile@ProductAddonChecker.jsm:316:10
downloadAddon@ProductAddonChecker.jsm:487:22
downloadAddon@XPIInstall.jsm:3990:49
updateSystemAddons@XPIInstall.jsm:4000:54
async*XPIProvider[meth]@XPIProvider.jsm:3108:28
backgroundUpdateCheck/buPromise<@AddonManager.jsm:1477:13
async*backgroundUpdateCheck@AddonManager.jsm:1485:7
backgroundUpdateTimerHandler@AddonManager.jsm:3512:26
notify@addonManager.js:172:25
TM_notify/<@UpdateTimerManager.jsm:219:50
TM_notify@UpdateTimerManager.jsm:290:7
1568948340924	addons.manager	WARN	Failed to update system addons: Error: Rejecting updated system add-on set that either could not be downloaded or contained unusable add-ons.(resource://gre/modules/addons/XPIInstall.jsm:4035:13) JS Stack trace: updateSystemAddons@XPIInstall.jsm:4035:13
async*XPIProvider[meth]@XPIProvider.jsm:3108:28
backgroundUpdateCheck/buPromise<@AddonManager.jsm:1477:13
async*backgroundUpdateCheck@AddonManager.jsm:1485:7
backgroundUpdateTimerHandler@AddonManager.jsm:3512:26
notify@addonManager.js:172:25
TM_notify/<@UpdateTimerManager.jsm:219:50
TM_notify@UpdateTimerManager.jsm:290:7