error when install cargo-geiger

[surechen]

Hello，I think geiger is a very good crate and want to use it. when I install cargo-geiger by “cargo install cargo-geiger”, I get following error.
My cargo version is 1.50.0

error[E0283]: type annotations needed
--> /root/.cargo/registry/src/mirrors.ustc.edu.cn-61ef6e0cd06fb9b8/cargo-0.46.1/src/cargo/util/config/de.rs:471:63
|
471 | seed.deserialize(Tuple2Deserializer(1i32, env.as_ref()))
| ----^^^^^^--
| | |
| | cannot infer type for type parameter T declared on the trait AsRef
| this method call resolves to &T
|
= note: cannot satisfy std::string::String: AsRef<_>

error: aborting due to previous error

For more information about this error, try rustc --explain E0283.
error: failed to compile cargo-geiger v0.10.2, intermediate artifacts can be found at /tmp/cargo-installDlo7zr

Caused by:
could not compile cargo

To learn more, run the command again with --verbose.

[surechen]

Learn from #185 (comment) to solve.
Close this.