# Running rustfmt on rust-lang/rust and other rust-lang repositories

**URL:** <https://internals.rust-lang.org/t/running-rustfmt-on-rust-lang-rust-and-other-rust-lang-repositories/8732>\
**Category:** tools and infrastructure\
**Created:** [October 30, 2018, 8:24pm UTC](https://internals.rust-lang.org/t/running-rustfmt-on-rust-lang-rust-and-other-rust-lang-repositories/8732 "2018-10-30T20:24:09Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![nikomatsakis](https://sea2.discourse-cdn.com/flex002/user_avatar/internals.rust-lang.org/nikomatsakis/32/5410_2.png) [@nikomatsakis](https://internals.rust-lang.org/u/nikomatsakis)\
**Post date:** [October 30, 2018, 8:33pm UTC](https://internals.rust-lang.org/t/running-rustfmt-on-rust-lang-rust-and-other-rust-lang-repositories/8732/3 "2018-10-30T20:33:43Z")

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> [@nrc](#):
>
> Running Rustfmt on CI is suoer-easy, though it is probably a bit more interesting on the rust repo since it is not a simple Cargo project.

What does it mean to "run rustfmt on CI"? What happens if the code is ill-formatted?

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_[View the full topic](https://internals.rust-lang.org/t/running-rustfmt-on-rust-lang-rust-and-other-rust-lang-repositories/8732)._