1 files changed, 2 insertions, 3 deletions
diff --git a/build.zig b/build.zig
index 8471ca7..839d7d2 100644
--- a/build.zig
+++ b/build.zig
@@ -331,7 +331,7 @@ const exercises = [_]Exercise{
     },
     .{
         .main_file = "064_builtins.zig",
-        .output = "1101 + 0101 = 0010 (true). Furthermore, 11110000 backwards is 00001111.",
+        .output = "1101 + 0101 = 0010 (true). Without overflow: 00010010. Furthermore, 11110000 backwards is 00001111.",
     },
     .{
         .main_file = "065_builtins2.zig",
@@ -624,8 +624,7 @@ const ZiglingStep = struct {
 
         const argv = [_][]const u8{exe_file};
 
-        const child = std.ChildProcess.init(&argv, self.builder.allocator) catch unreachable;
-        defer child.deinit();
+        var child = std.ChildProcess.init(&argv, self.builder.allocator);
 
         child.cwd = cwd;
         child.env_map = self.builder.env_map;