fix: fix ci issues

Author: YanLien

build.rs

@@ -211,6 +211,7 @@ fn generate_guest_img_loading_functions(
             /// kernel image
             pub kernel: &'static [u8],
             /// dtb image
+            #[allow(dead_code)]
             pub dtb: Option<&'static [u8]>,
             /// bios image
             pub bios: Option<&'static [u8]>,

src/vmm/images/mod.rs

@@ -16,6 +16,7 @@ use crate::vmm::fdt::update_fdt;
 use core::ptr::NonNull;
 
 #[cfg(feature = "fs")]
+#[allow(unused_imports)]
 pub use fs::open_image_file;
 
 mod linux;