Aug 30 20:53:16.346 INFO checking crossbeam-utils-0.2.2 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 20:53:16.346 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 20:53:16.346 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-2/try#2d477f9981361618ac78253c28051a66b6cea125:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 20:53:16.586 INFO blam! bfc83dfb46adfe45f9dae784c2422c96c03ea21e98c463661860046d87211fee
Aug 30 20:53:16.588 INFO running `"docker" "start" "-a" "bfc83dfb46adfe45f9dae784c2422c96c03ea21e98c463661860046d87211fee"`
Aug 30 20:53:17.466 INFO kablam!     Checking crossbeam-utils v0.2.2 (file:///source)
Aug 30 20:53:18.757 INFO kablam! warning: unused return value of `std::clone::Clone::clone` which must be used
Aug 30 20:53:18.757 INFO kablam!    --> src/cache_padded.rs:286:9
Aug 30 20:53:18.757 INFO kablam!     |
Aug 30 20:53:18.757 INFO kablam! 286 |         a.clone();
Aug 30 20:53:18.757 INFO kablam!     |         ^^^^^^^^^^
Aug 30 20:53:18.757 INFO kablam!     |
Aug 30 20:53:18.757 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Aug 30 20:53:18.757 INFO kablam!     = note: cloning is often expensive and is not expected to have side effects
Aug 30 20:53:18.757 INFO kablam! 
Aug 30 20:53:18.783 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
Aug 30 20:53:18.786 INFO kablam! su: No module specific data is present
Aug 30 20:53:19.354 INFO running `"docker" "rm" "-f" "bfc83dfb46adfe45f9dae784c2422c96c03ea21e98c463661860046d87211fee"`
Aug 30 20:53:19.474 INFO blam! bfc83dfb46adfe45f9dae784c2422c96c03ea21e98c463661860046d87211fee