8734 silly lifecycle MMM-SpeedTest@1.0.0~postinstall: Args: [ '-c',
8734 silly lifecycle   'echo \'Building SpeedTest module, please wait...\' && electron-rebuild 2>/dev/null >/dev/null' ]
8735 silly lifecycle MMM-SpeedTest@1.0.0~postinstall: Returned: code: 1  signal: null
8736 info lifecycle MMM-SpeedTest@1.0.0~postinstall: Failed to exec postinstall script
8737 verbose stack Error: MMM-SpeedTest@1.0.0 postinstall: `echo 'Building SpeedTest module, please wait...' && electron-rebuild 2>/dev/null >/dev/null`
8737 verbose stack Exit status 1
8737 verbose stack     at EventEmitter.<anonymous> (/home/pi/.npm-global/lib/node_modules/npm/node_modules/npm-lifecycle/index.js:332:16)
8737 verbose stack     at EventEmitter.emit (events.js:180:13)
8737 verbose stack     at ChildProcess.<anonymous> (/home/pi/.npm-global/lib/node_modules/npm/node_modules/npm-lifecycle/lib/spawn.js:55:14)
8737 verbose stack     at ChildProcess.emit (events.js:180:13)
8737 verbose stack     at maybeClose (internal/child_process.js:936:16)
8737 verbose stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:220:5)
8738 verbose pkgid MMM-SpeedTest@1.0.0
8739 verbose cwd /home/pi/MagicMirror/modules/MMM-SpeedTest
8740 verbose Linux 4.14.52-v7+
8741 verbose argv "/usr/bin/node" "/home/pi/.npm-global/bin/npm" "install"
8742 verbose node v9.11.2
8743 verbose npm  v6.14.8
8744 error code ELIFECYCLE
8745 error errno 1
8746 error MMM-SpeedTest@1.0.0 postinstall: `echo 'Building SpeedTest module, please wait...' && electron-rebuild 2>/dev/null >/dev/null`
8746 error Exit status 1
8747 error Failed at the MMM-SpeedTest@1.0.0 postinstall script.
8747 error This is probably not a problem with npm. There is likely additional logging output above.
8748 verbose exit [ 1, true ]

I tried uploading the full log but keep getting an error.