Specify version of git2

termoshtt · termoshtt · commit 6faea925f8e1 · 2017-09-06T20:52:28.000+09:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -15,4 +15,4 @@ links = "mkl_intel_ilp64"
 exclude = ["mkl_lib/mkl.tar.xz"]
 
 [build-dependencies]
-git2 = "*"
+git2 = "0.6"
