Unknown deny attribute

[bvssvni]

rustc 1.6.0-nightly (338cdd7e0 2015-11-24)

/Users/sven/rust/freetype-sys/src/lib.rs:5:9: 5:27 warning: unknown `deny` attribute: `raw_pointer_derive`, #[warn(unknown_lints)] on by default
/Users/sven/rust/freetype-sys/src/lib.rs:5 #![deny(raw_pointer_derive)]
                                                   ^~~~~~~~~~~~~~~~~~   Compiling time v0.1.34

/Users/sven/rust/freetype-sys/src/lib.rs:5:9: 5:27 warning: unknown `deny` attribute: `raw_pointer_derive`, #[warn(unknown_lints)] on by default
/Users/sven/rust/freetype-sys/src/lib.rs:5 #![deny(raw_pointer_derive)]

[zummenix]

raw_pointer_derive lint was removed by rust-lang/rust#29882