{ "problemMatcher": [ { "owner": "rust", "pattern": [ { "regexp": "^(warning|warn|error)(\\[(.*)\\])?: (.*)$", "severity": 1, "message": 4, "code": 3 }, { "regexp": "^([\\s->=]*(.*):(\\d*):(\\d*)|.*)$", "file": 2, "line": 3, "column": 4 } ] } ] }