print subprocess outputs

scripts/build.py

@@ -26,10 +26,13 @@ EXTRACT_PATTERN = (r"extracting (?P<name>{pkg_name}) in (?P<dir>{pkg_name}-{vers
 
 def run_checked(command, **kwargs):
     try:
-        return sp.run(
+        result = sp.run(
             command, check=True,
             stdout=sp.PIPE, stderr=sp.PIPE, universal_newlines=True,
             **kwargs)
+        print(result.stdout)
+        print(result.stderr)
+        return result
     except sp.CalledProcessError as error:
         print(error.stdout)
         print(error.stderr)