1rustc 1.7.0 (a5d1e7a59 2016-02-29) 2binary: rustc 3commit-hash: a5d1e7a59a2a3413c377b003075349f854304b5e 4commit-date: 2016-02-29 5host: x86_64-unknown-linux-gnu 6release: 1.7.0 7