1rustc 1.39.0 (4560ea788 2019-11-04) 2binary: rustc 3commit-hash: 4560ea788cb760f0a34127156c78e2552949f734 4commit-date: 2019-11-04 5host: x86_64-unknown-linux-gnu 6release: 1.39.0 7LLVM version: 9.0 8