1rustc 1.31.0 (abe02cefd 2018-12-04) 2binary: rustc 3commit-hash: abe02cefd6cd1916df62ad7dc80161bea50b72e8 4commit-date: 2018-12-04 5host: x86_64-unknown-linux-gnu 6release: 1.31.0 7LLVM version: 8.0 8