Sep 06 06:50:10.936 INFO checking future-utils-0.11.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 06:50:10.936 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 06:50:10.936 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 06:50:11.163 INFO blam! 4e21ccdc80ade81d0e0221a0eac0026d436efb9f9c93c52c118fff6fa4c3b75f
Sep 06 06:50:11.165 INFO running `"docker" "start" "-a" "4e21ccdc80ade81d0e0221a0eac0026d436efb9f9c93c52c118fff6fa4c3b75f"`
Sep 06 06:50:12.802 INFO kablam! usermod: no changes
Sep 06 06:50:12.990 INFO kablam!     Checking future-utils v0.11.1 (file:///source)
Sep 06 06:50:15.438 INFO kablam! warning: unused variable: `msg`
Sep 06 06:50:15.438 INFO kablam!   --> src/bi_channel.rs:69:17
Sep 06 06:50:15.438 INFO kablam!    |
Sep 06 06:50:15.438 INFO kablam! 69 |             let msg = data;
Sep 06 06:50:15.438 INFO kablam!    |                 ^^^ help: consider using `_msg` instead
Sep 06 06:50:15.438 INFO kablam!    |
Sep 06 06:50:15.438 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 06 06:50:15.438 INFO kablam! 
Sep 06 06:50:15.507 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.67s
Sep 06 06:50:15.513 INFO kablam! su: No module specific data is present
Sep 06 06:50:16.303 INFO running `"docker" "rm" "-f" "4e21ccdc80ade81d0e0221a0eac0026d436efb9f9c93c52c118fff6fa4c3b75f"`
Sep 06 06:50:16.384 INFO blam! 4e21ccdc80ade81d0e0221a0eac0026d436efb9f9c93c52c118fff6fa4c3b75f