disable debug logging

src/verbose_air.zig

@@ -4,6 +4,7 @@
 // Exports C-compatible functions for use by stage0 tests.
 
 const std = @import("std");
+pub const std_options: std.Options = .{ .log_level = .warn };
 const zig_internals = @import("zig_internals");
 const Compilation = zig_internals.Compilation;
 const Package = zig_internals.Package;