Installing with `--locked` fails

[Barre]

Hi,

On a clean box, installing tantivy-cli with cargo install tantivy-cli --locked results in:

   Compiling httparse v1.9.5
error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync + 'static)`
  --> /root/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/traitobject-0.1.0/src/impls.rs:72:1
   |
71 | unsafe impl Trait for ::std::marker::Send + Sync { }
   | ------------------------------------------------ first implementation here
72 | unsafe impl Trait for ::std::marker::Send + Send + Sync { }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Send + Sync + 'static)`

error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync + 'static)`
  --> /root/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/traitobject-0.1.0/src/impls.rs:73:1
   |
71 | unsafe impl Trait for ::std::marker::Send + Sync { }
   | ------------------------------------------------ first implementation here
72 | unsafe impl Trait for ::std::marker::Send + Send + Sync { }
73 | unsafe impl Trait for ::std::marker::Sync + Send { }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Send + Sync + 'static)`

error[E0119]: conflicting implementations of trait `Trait` for type `(dyn Send + Sync + 'static)`
  --> /root/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/traitobject-0.1.0/src/impls.rs:75:1
   |
71 | unsafe impl Trait for ::std::marker::Send + Sync { }
   | ------------------------------------------------ first implementation here
...
75 | unsafe impl Trait for ::std::marker::Sync + Send + Sync { }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn Send + Sync + 'static)`

cargo install tantivy-cli without --locked succeeded.

# cargo --version
cargo 1.89.0 (c24e10642 2025-06-23)


# rustc --version
rustc 1.89.0 (29483883e 2025-08-04)