diff --git a/cibuildwheel/__main__.py b/cibuildwheel/__main__.py
index ec23c8cf..21fdc73d 100644
--- a/cibuildwheel/__main__.py
+++ b/cibuildwheel/__main__.py
@@ -77,7 +77,8 @@ def main():
 
     try:
         project_setup_py = os.path.join(project_dir, 'setup.py')
-        name_output = subprocess.check_output([sys.executable, project_setup_py, '--name'])
+        name_output = subprocess.check_output([sys.executable, project_setup_py, '--name'],
+                                              universal_newlines=True)
         # the last line of output is the name
         package_name = name_output.strip().splitlines()[-1]
     except subprocess.CalledProcessError as err:
diff --git a/cibuildwheel/linux.py b/cibuildwheel/linux.py
index bd0c17b9..7f021bd5 100644
--- a/cibuildwheel/linux.py
+++ b/cibuildwheel/linux.py
@@ -46,6 +46,8 @@ def build(project_dir, package_name, output_dir, test_command, test_requires, be
 
     for platform_tag, docker_image in platforms:
         platform_configs = [c for c in python_configurations if c.identifier.endswith(platform_tag)]
+        if not platform_configs:
+            continue
 
         bash_script = '''
             set -o errexit
@@ -113,7 +115,11 @@ def build(project_dir, package_name, output_dir, test_command, test_requires, be
                 '/bin/bash'],
             stdin=subprocess.PIPE, universal_newlines=True)
 
-        docker_process.communicate(bash_script)
+        try:
+            docker_process.communicate(bash_script)
+        except KeyboardInterrupt:
+            docker_process.kill()
+            docker_process.wait()
 
         if docker_process.returncode != 0:
             exit(1)