Fixed unbound method type error #4

Author: fafhrd91

CHANGES.rst

@@ -1,6 +1,12 @@
 CHANGES
 =======
 
+0.5.1 (2017-04-xx)
+------------------
+
+- Fixed unbound method type error #4
+
+
 0.5.0 (2017-03-26)
 ------------------
 

setuptools_rust/build_ext.py

@@ -13,7 +13,7 @@ def has_rust_extensions(self):
 
     def check_extensions_list(self, extensions):
         if extensions:
-            _build_ext.check_extensions_list(extensions)
+            _build_ext.check_extensions_list(self, extensions)
 
     def run(self):
         """Run build_rust sub command """

setuptools_rust/check.py

@@ -3,7 +3,8 @@
 import sys
 import subprocess
 from distutils.cmd import Command
-from distutils.errors import CompileError, DistutilsExecError
+from distutils.errors import (
+    CompileError, DistutilsFileError, DistutilsExecError)
 
 import semantic_version
 
@@ -61,10 +62,11 @@ def run(self):
 
             # Execute cargo command
             try:
-                output = subprocess.check_output(args)
+                subprocess.check_output(args)
             except subprocess.CalledProcessError as e:
                 raise CompileError(
-                    "cargo failed with code: %d\n%s" % (e.returncode, e.output))
+                    "cargo failed with code: %d\n%s" % (
+                        e.returncode, e.output.decode("utf-8")))
             except OSError:
                 raise DistutilsExecError(
                     "Unable to execute 'cargo' - this package "