Sep 21 10:11:58.043 INFO checking future-utils-0.8.0 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 10:11:58.043 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 10:11:58.043 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-6/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:11:58.302 INFO blam! 5e070ee079337b8a181c3ca7fe4875385de4ac2fdda9190185df8bcb05a144cc
Sep 21 10:11:58.304 INFO running `"docker" "start" "-a" "5e070ee079337b8a181c3ca7fe4875385de4ac2fdda9190185df8bcb05a144cc"`
Sep 21 10:11:59.338 INFO kablam! usermod: no changes
Sep 21 10:11:59.688 INFO kablam!     Checking unwrap v1.2.1
Sep 21 10:12:00.103 INFO kablam!     Checking future-utils v0.8.0 (/source)
Sep 21 10:12:02.598 INFO kablam! warning: unused variable: `msg`
Sep 21 10:12:02.598 INFO kablam!   --> src/bi_channel.rs:69:17
Sep 21 10:12:02.598 INFO kablam!    |
Sep 21 10:12:02.598 INFO kablam! 69 |             let msg = data;
Sep 21 10:12:02.598 INFO kablam!    |                 ^^^ help: consider using `_msg` instead
Sep 21 10:12:02.598 INFO kablam!    |
Sep 21 10:12:02.598 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 21 10:12:02.598 INFO kablam! 
Sep 21 10:12:02.778 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
Sep 21 10:12:02.789 INFO kablam! su: No module specific data is present
Sep 21 10:12:03.528 INFO running `"docker" "rm" "-f" "5e070ee079337b8a181c3ca7fe4875385de4ac2fdda9190185df8bcb05a144cc"`
Sep 21 10:12:03.642 INFO blam! 5e070ee079337b8a181c3ca7fe4875385de4ac2fdda9190185df8bcb05a144cc