alamb commented on PR #7333: URL: https://github.com/apache/arrow-rs/pull/7333#issuecomment-2776238096
The MSRV check seems to be complaining about tonic not supporting rust 1.81
```shell
$ cd arrow-flight
$ cargo msrv verify
...
│ +++++++++++
│
│
│
│ error[E0277]: the trait bound `T:
Service<request::Request<http_body_util::combinators::box_body::UnsyncBoxBody<bytes::
│
│ Bytes, Status>>>` is not satisfied
│
│ --> arrow-flight/src/arrow.flight.protocol.rs:845:24
│
│ |
│
│ 845 | self.inner.server_
│
│ streaming(req, path, codec).await
│
│ | ^^^^^^^^^^^^^^^^ the trait
`Service<request::Request<http_body_util: │
│ :combinators::box_body::UnsyncBoxBody<bytes::Bytes, Status>>>` is not
implemented for `T`, which is required by `T: GrpcService<ht │
│ tp_body_util::combinators::box_body::UnsyncBoxBody<bytes::Bytes,
Status>>` │
│ |
│
│ = note: required for `T` to implement `GrpcServ
│
│ ice<http_body_util::combinators::box_body::UnsyncBoxBody<bytes::Bytes,
Status>>` │
│ help: consider further restricting this bound
│
│ |
│
│
│
│ 451 | T: tonic::client::GrpcService<tonic::body::Body> +
tonic::codegen::Service<tonic::codegen::http::request::Request<ht │
│ tp_body_util::combinators::box_body::UnsyncBoxBody<bytes::Bytes,
tonic::Status>>>, │
│ |
│
│
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
│
│ +++++++++++++++++++++++++++++++++
│
│
│
│ Some errors have detailed explanations: E0277, E0412, E0433.
│
│ For more information about an error,
│
│ try `rustc --explain E0277`.
│
│ error: could not compile `arrow-flight` (lib) due to 46 previous errors
│
│
│
╰────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
Crate source was found to be incompatible with Rust version '1.81.0'
specified as MSRV in the Cargo manifest located at
'/Users/andrewlamb/Software/arrow-rs/arrow-flight/Cargo.andrewlamb@Andrews-MacBook-Pro-2:~/Software/arrow-rs/arrow-flight$
```
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