Aslinda hata mesaji sana gerekli bilgiyi veriyor.
Your project path contains non-ASCII characters. This will most likely cause the build to fail on Windows. Please move your project to a different directory. This warning can be disabled by using the command line flag -Dcom.android.build.gradle.overridePathCheck = true ,
Projenin yolu(directory) ASCII encoding ile uyusmayan karakterler iceriyor.
Command line dan sembolik link olusturabilirsin (admin modunda) mklink /d (link) (hedef)
https://technet.microsoft.com/en-us/library/cc753194(v=ws.11).aspx
Veya en kolayi , dosya ismindeki Turkce karakterleri kaldir.