Sep 10 19:04:42.494 INFO checking filters-0.2.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 19:04:42.494 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 19:04:42.494 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/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 19:04:42.634 INFO blam! a2a18a7fc26bf4298b93aef99c53deee263a6550604406fe133b04955e87c7e2
Sep 10 19:04:42.636 INFO running `"docker" "start" "-a" "a2a18a7fc26bf4298b93aef99c53deee263a6550604406fe133b04955e87c7e2"`
Sep 10 19:04:43.652 INFO kablam! usermod: no changes
Sep 10 19:04:43.679 INFO kablam!     Checking filters v0.2.0 (file:///source)
Sep 10 19:04:44.106 INFO kablam! warning: unused variable: `r`
Sep 10 19:04:44.106 INFO kablam!    --> src/failable/filter.rs:352:18
Sep 10 19:04:44.106 INFO kablam!     |
Sep 10 19:04:44.106 INFO kablam! 352 |         let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
Sep 10 19:04:44.106 INFO kablam!     |                  ^ help: consider using `_r` instead
Sep 10 19:04:44.106 INFO kablam!     |
Sep 10 19:04:44.106 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 19:04:44.106 INFO kablam! 
Sep 10 19:04:44.193 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Sep 10 19:04:44.195 INFO kablam! su: No module specific data is present
Sep 10 19:04:44.714 INFO running `"docker" "rm" "-f" "a2a18a7fc26bf4298b93aef99c53deee263a6550604406fe133b04955e87c7e2"`
Sep 10 19:04:44.787 INFO blam! a2a18a7fc26bf4298b93aef99c53deee263a6550604406fe133b04955e87c7e2