submodules: update clippy from fc24fce7 to 721f688e#57138
Merged
bors merged 1 commit intorust-lang:masterfrom Dec 29, 2018
Merged
submodules: update clippy from fc24fce7 to 721f688e#57138bors merged 1 commit intorust-lang:masterfrom
bors merged 1 commit intorust-lang:masterfrom