Error not being handled

[joehand]

Got an error trying to do a tricky sparse thing but it isn't getting handled properly:

❯ dat sync
Connecting to dat network...
/Users/joe/code/node_modules/dat/src/lib/archive.js:42
      if (err) return state.warnings.push(err.message)
                                    ^

TypeError: Cannot read property 'push' of undefined
    at /Users/joe/code/node_modules/dat/src/lib/archive.js:42:37
    at /Users/joe/code/node_modules/dat/node_modules/hyperdrive/index.js:541:55
    at /Users/joe/code/node_modules/dat/node_modules/append-tree/index.js:110:23
    at /Users/joe/code/node_modules/dat/node_modules/append-tree/index.js:362:10
    at /Users/joe/code/node_modules/dat/node_modules/append-tree/index.js:372:5
    at /Users/joe/code/node_modules/dat/node_modules/hypercore/index.js:120:15
    at apply (/Users/joe/code/node_modules/dat/node_modules/thunky/index.js:44:12)
    at _combinedTickCallback (internal/process/next_tick.js:102:11)
    at process._tickCallback (internal/process/next_tick.js:161:9)