PICORV32自适应生锈，我试图写一部分，但我弄错了

Question

Project：

https：//github.com/xiaguangbo/custom_rv32_rust Error代码：

program_picorv32ec/project/src/main.rs

#[picorv32asm::entry]
fn main() -> ! {
    loop {}
}

Error消息：

$ cargo build
   Compiling picorv32asm v0.1.0 (/home/xiaguangbo/linux/project/custom_rv32_rust/program_picorv32ec/picorv32asm)
   Compiling project v0.1.0 (/home/xiaguangbo/linux/project/custom_rv32_rust/program_picorv32ec/project)
   Compiling picorv32entrymacro v0.1.0 (/home/xiaguangbo/linux/project/custom_rv32_rust/program_picorv32ec/picorv32asm/picorv32entrymacro)
error: unsafe attribute used without unsafe
--> src/main.rs:6:1
  |
6 | #[picorv32asm::entry]
  | ^^^^^^^^^^^^^^^^^^^^^ usage of unsafe attribute
  |
  = note: this error originates in the attribute macro `picorv32asm::entry` (in Nightly builds, run with -Z macro-backtrace for more info)
help: wrap the attribute in `unsafe(...)`
  |
6 | unsafe(#[picorv32asm::entry])
  | +++++++                     +

error: could not compile `project` (bin "project") due to 1 previous error

如果您遵循编译器的提示，它也无效。

我认为其他项目也可以像这样编写，例如

wch rust

项目。

delete`depen = 2024` for Program_picorv32ec/picorv32ASM/picorv32entrymacro/cargo.toml