New Rust is warning about using MessageType values in match blocks:
warning: to use a constant of type
`connection::dbus_bytestream::message::MessageType` in a pattern,
`connection::dbus_bytestream::message::MessageType` must be
annotated with `#[derive(PartialEq, Eq)]`,
#[warn(illegal_struct_or_enum_constant_pattern)] on by default
New Rust is warning about using MessageType values in
match
blocks: