David Tolnay 2bac1e7a9c toolchain: Update to Rust 1.31.0 ... We updated the production toolchain from 1.30 to 1.31 in CL:1366446. This CL does the same upgrade for the local developer toolchain and Kokoro. The relevant changes are in rust-toolchain and kokoro/Dockerfile. The rest are from rustfmt. TEST=cargo fmt --all -- --check TEST=as described in kokoro/README.md Change-Id: I3b4913f3e237baa36c664b4953be360c09efffd4 Reviewed-on: https://chromium-review.googlesource.com/1374376 Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com> Tested-by: David Tolnay <dtolnay@chromium.org> Reviewed-by: Zach Reizner <zachr@chromium.org>		2018-12-13 19:28:04 -08:00
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src	toolchain: Update to Rust 1.31.0	2018-12-13 19:28:04 -08:00
Cargo.toml	sync: Mutex type with methods that panic instead of return error	2018-12-05 01:13:41 -08:00