Sep 06 07:03:34.634 INFO checking filters-0.2.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 07:03:34.634 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 07:03:34.634 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-5/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 07:03:34.763 INFO blam! 2ce78e07e21fce3592380334991efc9704374b3267d1471b13d273aeeaefe148
Sep 06 07:03:34.765 INFO running `"docker" "start" "-a" "2ce78e07e21fce3592380334991efc9704374b3267d1471b13d273aeeaefe148"`
Sep 06 07:03:35.800 INFO kablam! usermod: no changes
Sep 06 07:03:35.838 INFO kablam!     Checking filters v0.2.0 (file:///source)
Sep 06 07:03:36.484 INFO kablam! warning: unused variable: `r`
Sep 06 07:03:36.484 INFO kablam!    --> src/failable/filter.rs:352:18
Sep 06 07:03:36.484 INFO kablam!     |
Sep 06 07:03:36.484 INFO kablam! 352 |         let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
Sep 06 07:03:36.484 INFO kablam!     |                  ^ help: consider using `_r` instead
Sep 06 07:03:36.484 INFO kablam!     |
Sep 06 07:03:36.484 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 06 07:03:36.484 INFO kablam! 
Sep 06 07:03:36.578 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Sep 06 07:03:36.581 INFO kablam! su: No module specific data is present
Sep 06 07:03:37.431 INFO running `"docker" "rm" "-f" "2ce78e07e21fce3592380334991efc9704374b3267d1471b13d273aeeaefe148"`
Sep 06 07:03:37.540 INFO blam! 2ce78e07e21fce3592380334991efc9704374b3267d1471b13d273aeeaefe148