Sep 04 21:10:55.725 INFO checking exit-future-0.1.2 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 21:10:55.725 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 21:10:55.726 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 21:10:55.927 INFO blam! 694e33314b4877d9fe22eda95b5bc84daf5f374fc94e0eed3d8aa71c293ef73f
Sep 04 21:10:55.936 INFO running `"docker" "start" "-a" "694e33314b4877d9fe22eda95b5bc84daf5f374fc94e0eed3d8aa71c293ef73f"`
Sep 04 21:10:57.103 INFO kablam!     Checking exit-future v0.1.2 (file:///source)
Sep 04 21:10:58.954 INFO kablam! warning: unused variable: `signal`
Sep 04 21:10:58.954 INFO kablam!    --> src/lib.rs:214:14
Sep 04 21:10:58.954 INFO kablam!     |
Sep 04 21:10:58.954 INFO kablam! 214 |         let (signal, exit) = signal();
Sep 04 21:10:58.954 INFO kablam!     |              ^^^^^^ help: consider using `_signal` instead
Sep 04 21:10:58.955 INFO kablam!     |
Sep 04 21:10:58.955 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 04 21:10:58.955 INFO kablam! 
Sep 04 21:10:59.085 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Sep 04 21:10:59.092 INFO kablam! su: No module specific data is present
Sep 04 21:10:59.794 INFO running `"docker" "rm" "-f" "694e33314b4877d9fe22eda95b5bc84daf5f374fc94e0eed3d8aa71c293ef73f"`
Sep 04 21:10:59.950 INFO blam! 694e33314b4877d9fe22eda95b5bc84daf5f374fc94e0eed3d8aa71c293ef73f