Sep 14 16:54:22.734 INFO checking exit-future-0.1.2 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 16:54:22.734 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 16:54:22.734 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-2/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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=1000" "-e" "CMD=cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 16:54:23.171 INFO blam! 2cb55fd7d5b91d43611a20088d787b066d7ca6756e6598fcb38372f1d23c02be
Sep 14 16:54:23.176 INFO running `"docker" "start" "-a" "2cb55fd7d5b91d43611a20088d787b066d7ca6756e6598fcb38372f1d23c02be"`
Sep 14 16:54:24.502 INFO kablam! usermod: no changes
Sep 14 16:54:24.611 INFO kablam!     Checking exit-future v0.1.2 (file:///source)
Sep 14 16:54:25.927 INFO kablam! warning: unused variable: `signal`
Sep 14 16:54:25.927 INFO kablam!    --> src/lib.rs:214:14
Sep 14 16:54:25.927 INFO kablam!     |
Sep 14 16:54:25.927 INFO kablam! 214 |         let (signal, exit) = signal();
Sep 14 16:54:25.927 INFO kablam!     |              ^^^^^^ help: consider using `_signal` instead
Sep 14 16:54:25.927 INFO kablam!     |
Sep 14 16:54:25.927 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 14 16:54:25.927 INFO kablam! 
Sep 14 16:54:26.019 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
Sep 14 16:54:26.031 INFO kablam! su: No module specific data is present
Sep 14 16:54:27.160 INFO running `"docker" "rm" "-f" "2cb55fd7d5b91d43611a20088d787b066d7ca6756e6598fcb38372f1d23c02be"`
Sep 14 16:54:27.479 INFO blam! 2cb55fd7d5b91d43611a20088d787b066d7ca6756e6598fcb38372f1d23c02be