Sep 10 18:50:53.762 INFO checking future-utils-0.11.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 18:50:53.763 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 18:50:53.763 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 18:50:54.032 INFO blam! 95a55a232a03767e43500c159870c4ab96e6e3159d0c1627bf3af35baac32663
Sep 10 18:50:54.034 INFO running `"docker" "start" "-a" "95a55a232a03767e43500c159870c4ab96e6e3159d0c1627bf3af35baac32663"`
Sep 10 18:50:55.179 INFO kablam! usermod: no changes
Sep 10 18:50:55.362 INFO kablam!     Checking unwrap v1.2.1
Sep 10 18:50:55.950 INFO kablam!     Checking future-utils v0.11.1 (file:///source)
Sep 10 18:50:58.299 INFO kablam! warning: unused variable: `msg`
Sep 10 18:50:58.299 INFO kablam!   --> src/bi_channel.rs:69:17
Sep 10 18:50:58.299 INFO kablam!    |
Sep 10 18:50:58.299 INFO kablam! 69 |             let msg = data;
Sep 10 18:50:58.299 INFO kablam!    |                 ^^^ help: consider using `_msg` instead
Sep 10 18:50:58.300 INFO kablam!    |
Sep 10 18:50:58.300 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 10 18:50:58.300 INFO kablam! 
Sep 10 18:50:58.479 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
Sep 10 18:50:58.488 INFO kablam! su: No module specific data is present
Sep 10 18:50:59.512 INFO running `"docker" "rm" "-f" "95a55a232a03767e43500c159870c4ab96e6e3159d0c1627bf3af35baac32663"`
Sep 10 18:50:59.636 INFO blam! 95a55a232a03767e43500c159870c4ab96e6e3159d0c1627bf3af35baac32663