我想重新搭起来，但是吧，谁能告诉我这个问题要怎么搞。邮箱 zhengkai@gmail.com

23.16    Compiling version_check v0.9.4
23.16    Compiling cfg-if v1.0.0
23.23    Compiling proc-macro2 v1.0.49
23.77    Compiling unicode-ident v1.0.6
23.83    Compiling quote v1.0.23
24.02 error[E0635]: unknown feature `proc_macro_span_shrink`
24.02   --> /usr/local/cargo/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/src/lib.rs:92:30
24.02    |
24.02 92 |     feature(proc_macro_span, proc_macro_span_shrink)
24.02    |                              ^^^^^^^^^^^^^^^^^^^^^^
24.02
24.20    Compiling syn v1.0.107
24.25 For more information about this error, try `rustc --explain E0635`.
24.26 error: could not compile `proc-macro2` (lib) due to 1 previous error
24.26 warning: build failed, waiting for other jobs to finish...