Xavier Payn

i guess [this](http://blog.faraday.io/reversing-rust-debugging-a-terrible-error-message-backwards-in-time-with-rr-2/) is the blog post you're talking about. i just tried `cargo run --example images` and hit the error. it seems that the `Size` field of `struct Image`...

well, i've just upgraded docker and with 1.13.0-rc7 `Size`and `VirtualSize` are now equal. go figure...

do you plan on using serde when macro 1.1 lands in stable? (should be soon) Because instead of using an `i64`, maybe having an `Option` or a `Result` for handling...