Ruben De Smet

~~TODO before merge: use newer versions of Rust and clippy in the CI.~~

> Does clippy have a CLI argument for the filename? If so, that will be easier and more useful than a config dir. (see git grep settings.*_config to get you...

> Err. Is there a CLI argument to specify where to find Cargo.toml. i.e. can we avoid relying on the current working directory. Oh, that's *extremely* interesting. Let me check...

> Can I let that option default to get_config_dir()? You know what, I'll just not specify it. I think that's the most logical after all?

> Err. Is there a CLI argument to specify where to find Cargo.toml. i.e. can we avoid relying on the current working directory. @jayvdb Seems like there is one, but...

[Found it.](https://github.com/rust-lang-nursery/rustup.rs/issues/952) People reporting bugs in Russian makes it difficult to Google :/ [And here is the English version](https://github.com/rust-lang-nursery/rustup.rs/issues/886)

CircleCI fails on timeout.

Okay, I'm ready for reviews now, I think. One thing I'd like to ask: how do you guys like these commits? Everything squashed together? I currently have one commit per...

@jayvdb says this is blocked on https://github.com/coala/coala/issues/3867

@gitmate-bot is very friendly there, but could someone have a look at #3867 ?