tree-0.4.1 beta regression

[est31]

tree version 0.4.1 regressed from stable to beta (full log):

Aug 04 01:44:04.757 INFO kablam! error: use of unstable library feature 'ord_max_min' (see issue #25663)
Aug 04 01:44:04.757 INFO kablam!    --> src/set.rs:235:48
Aug 04 01:44:04.757 INFO kablam!     |
Aug 04 01:44:04.757 INFO kablam! 235 |     pub fn max(&self) -> Option<&T> { self.map.max().map(|e| e.0) }
Aug 04 01:44:04.757 INFO kablam!     |

cc @apasel422

[arielb1]

• Add max and min to Ord #42496 - The functions Ord::min and Ord::max were added.

[alexcrichton]

The libs team decided today that this is accepted breakage, so I'm going to close. cc @KodrAus though if you'd like to send a PR!