phage beta regression

[est31]

phage commit rsaarelm/phage@c2bbb72 regressed from stable to beta (full log):

Aug 17 12:37:45.657 INFO kablam! error: type `sprite::WorldSprite + 'static` is private
Aug 17 12:37:45.657 INFO kablam!    --> src/gamestate.rs:129:36
Aug 17 12:37:45.657 INFO kablam!     |
Aug 17 12:37:45.657 INFO kablam! 129 |                     self.world_spr.add(Box::new(GibSprite::new(loc)));
Aug 17 12:37:45.657 INFO kablam!     |                                    ^^^
Aug 17 12:37:45.657 INFO kablam! 

cc @rsaarelm

[alexcrichton]

I believe the compiler/lang teams won't be reverting #42125, so I'm going to close this regression tracker.