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When I perform cargo run --release , the error will occur. I have tried some methods to solve it, however all the methods do not work. The detail of error is:
error[E0635]: unknown feature `proc_macro_span_shrink`
--> /Users/qixian/.cargo/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.56/src/lib.rs:92:30
|
92 | feature(proc_macro_span, proc_macro_span_shrink)
| ^^^^^^^^^^^^^^^^^^^^^^
For more information about this error, try `rustc --explain E0635`.
error: could not compile `proc-macro2` (lib) due to previous error
Please help me fix the problem.
The text was updated successfully, but these errors were encountered:
When I perform
cargo run --release
, the error will occur. I have tried some methods to solve it, however all the methods do not work. The detail of error is:Please help me fix the problem.
The text was updated successfully, but these errors were encountered: