Sep 14 16:20:39.445 INFO checking future-utils-0.8.0 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 16:20:39.445 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 16:20:39.445 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 16:20:39.907 INFO blam! 322f7c65d3d35d35589ddbca86441804ffde256d232f8cbd4e8c3db98fde01e3
Sep 14 16:20:39.909 INFO running `"docker" "start" "-a" "322f7c65d3d35d35589ddbca86441804ffde256d232f8cbd4e8c3db98fde01e3"`
Sep 14 16:20:41.398 INFO kablam! usermod: no changes
Sep 14 16:20:41.575 INFO kablam!     Checking future-utils v0.8.0 (file:///source)
Sep 14 16:20:43.768 INFO kablam! warning: unused variable: `msg`
Sep 14 16:20:43.768 INFO kablam!   --> src/bi_channel.rs:69:17
Sep 14 16:20:43.768 INFO kablam!    |
Sep 14 16:20:43.768 INFO kablam! 69 |             let msg = data;
Sep 14 16:20:43.768 INFO kablam!    |                 ^^^ help: consider using `_msg` instead
Sep 14 16:20:43.768 INFO kablam!    |
Sep 14 16:20:43.768 INFO kablam!    = note: #[warn(unused_variables)] on by default
Sep 14 16:20:43.768 INFO kablam! 
Sep 14 16:20:43.936 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
Sep 14 16:20:43.942 INFO kablam! su: No module specific data is present
Sep 14 16:20:44.859 INFO running `"docker" "rm" "-f" "322f7c65d3d35d35589ddbca86441804ffde256d232f8cbd4e8c3db98fde01e3"`
Sep 14 16:20:45.141 INFO blam! 322f7c65d3d35d35589ddbca86441804ffde256d232f8cbd4e8c3db98fde01e3