Rust CI broken: panic! should not have attempted to convert {} to u8

[Jens Geyer]

Hi,

this is from the logs. Any ideas?

make[4]: Entering directory '/thrift/src/lib/rs'
/root/.cargo/bin/cargo fmt --all -- --check
Diff in /thrift/src/lib/rs/src/protocol/compact.rs at line 638:
         TType::Set => 0x0A,
         TType::Map => 0x0B,
         TType::Struct => 0x0C,
        _ => panic!(
            "should not have attempted to convert {} to u8",
            field_type
        ),
        _ => panic!("should not have attempted to convert {} to u8", 
field_type),
    }
 }
 
Makefile:819: recipe for target 'all-local' failed