Debug log after updating to webpack 3

2017-06-28T12_53_16_520Z-debug.log

0 info it worked if it ends with ok
1 verbose cli [ 'C:\\Program Files\\nodejs\\node.exe',
1 verbose cli   'C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js',
1 verbose cli   'run',
1 verbose cli   'build' ]
2 info using npm@4.2.0
3 info using node@v7.9.0
4 verbose run-script [ 'prebuild', 'build', 'postbuild' ]
5 info lifecycle webpack-demo@1.0.0~prebuild: webpack-demo@1.0.0
6 silly lifecycle webpack-demo@1.0.0~prebuild: no script for prebuild, continuing
7 info lifecycle webpack-demo@1.0.0~build: webpack-demo@1.0.0
8 verbose lifecycle webpack-demo@1.0.0~build: unsafe-perm in lifecycle true
9 verbose lifecycle webpack-demo@1.0.0~build: PATH: C:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin;C:\usbWebserver\root\ES6\webpack-demo\node_modules\.bin;C:\ProgramData\Oracle\Java\javapath;C:\Program Files (x86)\Intel\iCLS Client\;C:\Program Files\Intel\iCLS Client\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files\Intel\Intel(R) Management Engine Components\DAL;C:\Program Files (x86)\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files\Intel\Intel(R) Management Engine Components\IPT;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;%USERPROFILE%\.dnx\bin;C:\Program Files\Microsoft DNX\Dnvm\;C:\Program Files\Microsoft SQL Server\130\Tools\Binn\;C:\Program Files\Microsoft\Web Platform Installer\;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\System32\WindowsPowerShell\v1.0\;C:\Program Files\Git\cmd;C:\Program Files\Git\mingw64\bin;C:\Program Files\Git\usr\bin;C:\Program Files (x86)\Skype\Phone\;C:\Program Files\nodejs\;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\Common Files\Intel\WirelessCommon\;C:\Program Files (x86)\Windows Kits\10\Windows Performance Toolkit\;C:\Users\eddyv\AppData\Local\Programs\Python\Python36-32\Scripts\;C:\Users\eddyv\AppData\Local\Programs\Python\Python36-32\;C:\Users\eddyv\AppData\Local\Microsoft\WindowsApps;C:\Users\eddyv\AppData\Roaming\npm;C:\Program Files (x86)\Microsoft VS Code\bin
10 verbose lifecycle webpack-demo@1.0.0~build: CWD: C:\usbWebserver\root\ES6\webpack-demo
11 silly lifecycle webpack-demo@1.0.0~build: Args: [ '/d /s /c', 'webpack' ]
12 silly lifecycle webpack-demo@1.0.0~build: Returned: code: 1  signal: null
13 info lifecycle webpack-demo@1.0.0~build: Failed to exec build script
14 verbose stack Error: webpack-demo@1.0.0 build: `webpack`
14 verbose stack Exit status 1
14 verbose stack     at EventEmitter.<anonymous> (C:\Program Files\nodejs\node_modules\npm\lib\utils\lifecycle.js:279:16)
14 verbose stack     at emitTwo (events.js:106:13)
14 verbose stack     at EventEmitter.emit (events.js:194:7)
14 verbose stack     at ChildProcess.<anonymous> (C:\Program Files\nodejs\node_modules\npm\lib\utils\spawn.js:40:14)
14 verbose stack     at emitTwo (events.js:106:13)
14 verbose stack     at ChildProcess.emit (events.js:194:7)
14 verbose stack     at maybeClose (internal/child_process.js:899:16)
14 verbose stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)
15 verbose pkgid webpack-demo@1.0.0
16 verbose cwd C:\usbWebserver\root\ES6\webpack-demo
17 error Windows_NT 10.0.14393
18 error argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "run" "build"
19 error node v7.9.0
20 error npm  v4.2.0
21 error code ELIFECYCLE
22 error errno 1
23 error webpack-demo@1.0.0 build: `webpack`
23 error Exit status 1
24 error Failed at the webpack-demo@1.0.0 build script 'webpack'.
24 error Make sure you have the latest version of node.js and npm installed.
24 error If you do, this is most likely a problem with the webpack-demo package,
24 error not with npm itself.
24 error Tell the author that this fails on your system:
24 error     webpack
24 error You can get information on how to open an issue for this project with:
24 error     npm bugs webpack-demo
24 error Or if that isn't available, you can get their info via:
24 error     npm owner ls webpack-demo
24 error There is likely additional logging output above.
25 verbose exit [ 1, true ]