VSCode task for gulp watch output capturing

tasks.json

{
    "version": "2.0.0",
    "tasks": [
        {
            "type": "gulp",
            "task": "watch",
            "label": "gulp: watch",
            "isBackground": true,
            "presentation": {
                "reveal": "always",
                "revealProblems": "onProblem"
            },
            "problemMatcher": {
                "owner": "gulp",
                "fileLocation": "relative",
                "pattern": [
                    {
                        "regexp": "^(\\w+): (.+)$",
                        "severity": 1,
                        "message": 2
                    },
                    {
                        "regexp": "^\\s+on line (\\d+) of (.+)$",
                        "file": 2,
                        "location": 1
                    }
                ],
                "background": {
                    "activeOnStart": true,
                    "beginsPattern": "^[\\d{2}:\\d{2}:\\d{2}] Starting '[^']+'...",
                    "endsPattern": "^[\\d{2}:\\d{2}:\\d{2}] Finished '[^']+' after \\d+ ms"
                }
            }
        },
        {
            "type": "gulp",
            "task": "default",
            "isBackground": true,
            "presentation": {
                "reveal": "always",
                "revealProblems": "onProblem"
            },
            "problemMatcher": {
                "owner": "gulp",
                "fileLocation": "relative",
                "pattern": [
                    {
                        "regexp": "^(\\w+): (.+)$",
                        "severity": 1,
                        "message": 2
                    },
                    {
                        "regexp": "^\\s+on line (\\d+) of (.+)$",
                        "file": 2,
                        "location": 1
                    }
                ],
                "background": {
                    "activeOnStart": true,
                    "beginsPattern": "^[\\d{2}:\\d{2}:\\d{2}] Starting '[^']+'...",
                    "endsPattern": "^[\\d{2}:\\d{2}:\\d{2}] Finished '[^']+' after \\d+ ms"
                }
            }
        }
    ]
}