DevTools Error: Parsing problem

[peterhel]

Initial URL: http://localhost:3000/
Chrome Version: 64.0.3282.186
Error Message: Parsing problem
Stack Trace:

Error: Parsing problem
    at Object.loadingComplete (chrome-devtools://devtools/remote/serve_file/@9611116ee79c63602f452e4fae2242a61cf0672d/audits2_worker/audits2_worker_module.js:957:479)
    at WebInspector.TimelineLoader.cancel (chrome-devtools://devtools/remote/serve_file/@9611116ee79c63602f452e4fae2242a61cf0672d/audits2_worker/audits2_worker_module.js:3497:37)
    at WebInspector.TimelineLoader._reportErrorAndCancelLoading (chrome-devtools://devtools/remote/serve_file/@9611116ee79c63602f452e4fae2242a61cf0672d/audits2_worker/audits2_worker_module.js:3517:42)
    at WebInspector.TimelineLoader._writeBalancedJSON (chrome-devtools://devtools/remote/serve_file/@9611116ee79c63602f452e4fae2242a61cf0672d/audits2_worker/audits2_worker_module.js:3515:49)
    at WebInspector.TextUtils.BalancedJSONTokenizer._reportBalanced (chrome-devtools://devtools/remote/serve_file/@9611116ee79c63602f452e4fae2242a61cf0672d/audits2_worker/audits2_worker_module.js:2363:13)
    at WebInspector.TextUtils.BalancedJSONTokenizer.write (chrome-devtools://devtools/remote/serve_file/@9611116ee79c63602f452e4fae2242a61cf0672d/audits2_worker/audits2_worker_module.js:2361:24)
    at WebInspector.TimelineLoader.write (chrome-devtools://devtools/remote/serve_file/@9611116ee79c63602f452e4fae2242a61cf0672d/audits2_worker/audits2_worker_module.js:3509:31)
    at TraceParser.parseChunk (chrome-devtools://devtools/remote/serve_file/@9611116ee79c63602f452e4fae2242a61cf0672d/audits2_worker/audits2_worker_module.js:960:30)
    at onChunkRead (chrome-devtools://devtools/remote/serve_file/@9611116ee79c63602f452e4fae2242a61cf0672d/audits2_worker/audits2_worker_module.js:794:8)
    at <anonymous>

[patrickhulce]

thanks for filing @peterhel! we'll continue tracking this over on #3306