Aug 17 23:20:55.227 INFO checking exit-future-0.1.2 against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 23:20:55.227 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 23:20:55.227 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 23:20:55.227 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-7/master#142bb27373126edf8367f526358b6c72ecf1d8df:/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 +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 23:20:55.504 INFO blam! 9cab9b1cc83966e543b9da0fa85f742a77f059422084bd9e8eae90d01f0b57c4
Aug 17 23:20:55.507 INFO running `"docker" "start" "-a" "9cab9b1cc83966e543b9da0fa85f742a77f059422084bd9e8eae90d01f0b57c4"`
Aug 17 23:20:56.579 INFO kablam!     Checking exit-future v0.1.2 (file:///source)
Aug 17 23:20:58.835 INFO kablam! warning: unused variable: `signal`
Aug 17 23:20:58.835 INFO kablam!    --> src/lib.rs:214:14
Aug 17 23:20:58.835 INFO kablam!     |
Aug 17 23:20:58.835 INFO kablam! 214 |         let (signal, exit) = signal();
Aug 17 23:20:58.835 INFO kablam!     |              ^^^^^^ help: consider using `_signal` instead
Aug 17 23:20:58.838 INFO kablam!     |
Aug 17 23:20:58.838 INFO kablam!     = note: #[warn(unused_variables)] on by default
Aug 17 23:20:58.838 INFO kablam! 
Aug 17 23:20:58.984 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
Aug 17 23:20:58.995 INFO kablam! su: No module specific data is present
Aug 17 23:20:59.626 INFO running `"docker" "rm" "-f" "9cab9b1cc83966e543b9da0fa85f742a77f059422084bd9e8eae90d01f0b57c4"`
Aug 17 23:20:59.785 INFO blam! 9cab9b1cc83966e543b9da0fa85f742a77f059422084bd9e8eae90d01f0b57c4