If you comment out json::encode(&data) you'll get the expected warnings.
On 7/16/14, 8:59, Ben Harris wrote:
You can ask on the Rust IRC. My guess is that the error is triggering
before there is a chance to throw the unused-attribute warning out. In
the past it would have told you the error, but with the new plugin
system we can define our own attributes, so the lint can't tell that
we have done something wrong till the end.
On 16 July 2014 21:55, Ilya Dmitrichenko <[email protected]
<mailto:[email protected]>> wrote:
On 16 July 2014 14:51, Ben Harris <[email protected]
<mailto:[email protected]>> wrote:
> Did it come up as an unused-attribute warning?
No, it didn't. This is all the output I got:
>> > rustc foo.rs <http://foo.rs>
>> foo.rs:13:3: 13:15 error: failed to find an implementation of trait
>>
>>
serialize::serialize::Encodable<serialize::json::Encoder<'_>,std::io::IoError>
>> for Data
>> foo.rs:13 <http://foo.rs:13> json::encode(&data);
>> ^~~~~~~~~~~~
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