Exception on check if no document is open

[W4RH4WK]

If you run cargo check from within vscode without an open document the following exception is thrown

shell.ts:541 Cannot read property 'document' of undefined: TypeError: Cannot read property 'document' of undefined
    at Function.cwd (/home/w4rh4wk/.vscode/extensions/kalitaalexey.vscode-rust-0.2.3/out/src/services/pathService.js:51:60)
    at Function.runCargo (/home/w4rh4wk/.vscode/extensions/kalitaalexey.vscode-rust-0.2.3/out/src/services/commandService.js:432:31)
    at checkCargoCheckAvailability.then.isAvailable (/home/w4rh4wk/.vscode/extensions/kalitaalexey.vscode-rust-0.2.3/out/src/services/commandService.js:194:18)
    at process._tickCallback (internal/process/next_tick.js:103:7)e.onUnexpectedError @ shell.ts:541(anonymous function) @ shell.ts:457e.onUnexpectedError @ errors.ts:68o @ errors.ts:88t.onUnexpectedExtHostError @ mainThreadErrors.ts:13e.handle @ abstractThreadService.ts:34s @ ipcRemoteCom.ts:269f @ ipcRemoteCom.ts:226_combinedTickCallback @ internal/process/next_tick.js:67_tickCallback @ internal/process/next_tick.js:98

[KalitaAlexey]

Hi @W4RH4WK,
It is bad.
I will fix it.

[W4RH4WK]

Thanks for the great work.

[KalitaAlexey]

@W4RH4WK,
Did you try custom configurations?

[KalitaAlexey]

@W4RH4WK,
I added gitter chat.
Can you enter there?