Error when using gulp#4.0 about gulp-modernizr HOT 5 CLOSED

var gulp = require('gulp'),
    customizr = require("customizr");

// Configfile
var config = {
    // More info: https://www.npmjs.com/package/customizr  or  https://github.com/Modernizr/customizr
    "cache" : true,
    "devFile" : false,
    "dest" : "dist/assets/modernizr/modernizr.js",
    "options" : [
        "setClasses"
    ],
    "uglify" : true,
    "tests" : [],
    "excludeTests": [],
    "crawl" : true,
    "useBuffers": false,
    "files" : {
        "src": [
            "src/assets/_scss/**/*.scss",
            "src/assets/js/*.js"
        ]
    },
    "customTests" : []
};

function modernizr(done) {
    customizr(config, function () {});
    done();
}

gulp.task(modernizr);

    at Pumpify.onclose (/Users/bart/projects/project/node_modules/end-of-stream/index.js:43:67)
    at emitNone (events.js:106:13)
    at Pumpify.emit (events.js:208:7)
    at Pumpify.Duplexify._destroy (/Users/bart/projects/project/node_modules/duplexify/index.js:192:8)
    at /Users/bart/projects/project/node_modules/duplexify/index.js:175:10
    at _combinedTickCallback (internal/process/next_tick.js:131:7)
    at process._tickDomainCallback (internal/process/next_tick.js:218:9)`

node: v8.9.3
gulp: 4.0.0-alpha.3
gulp-cli: 2.0.0

[11:00:42] 'prepare:modernizr' errored after 14 s
[11:00:42] Error: premature close
    at Pumpify.onclose (/Users/veeck/Projects/homepage/node_modules/end-of-stream/index.js:43:67)
    at Pumpify.emit (events.js:159:13)
    at Pumpify.Duplexify._destroy (/Users/veeck/Projects/homepage/node_modules/duplexify/index.js:192:8)
    at /Users/veeck/Projects/homepage/node_modules/duplexify/index.js:175:10
    at process._tickCallback (internal/process/next_tick.js:150:11)

[09:47:22] Error: premature close
    at Pumpify.onclose (D:\Webs\project\node_modules\end-of-stream\index.js:43:67)
    at emitNone (events.js:106:13)
    at Pumpify.emit (events.js:208:7)
    at Pumpify.Duplexify._destroy (D:\Webs\project\node_modules\duplexify\index.js:192:8)
    at D:\Webs\project\node_modules\duplexify\index.js:175:10
    at _combinedTickCallback (internal/process/next_tick.js:131:7)
    at process._tickDomainCallback (internal/process/next_tick.js:218:9)

node: 8.9.3
npm: 5.5.1
gulp: 4.0.0
gulp-cli: 2.0.0