Sep 06 07:03:34.447 INFO checking filters-0.3.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 07:03:34.447 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 07:03:34.447 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/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 07:03:34.588 INFO blam! 842f95c79b96f764cf26911f6265f0fa06fac67dc7e410bddde16941e9ba69db
Sep 06 07:03:34.590 INFO running `"docker" "start" "-a" "842f95c79b96f764cf26911f6265f0fa06fac67dc7e410bddde16941e9ba69db"`
Sep 06 07:03:35.654 INFO kablam! usermod: no changes
Sep 06 07:03:35.680 INFO kablam!     Checking filters v0.3.0 (file:///source)
Sep 06 07:03:36.300 INFO kablam! warning: unused variable: `r`
Sep 06 07:03:36.300 INFO kablam!    --> src/failable/filter.rs:358:18
Sep 06 07:03:36.300 INFO kablam!     |
Sep 06 07:03:36.300 INFO kablam! 358 |         let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
Sep 06 07:03:36.300 INFO kablam!     |                  ^ help: consider using `_r` instead
Sep 06 07:03:36.300 INFO kablam!     |
Sep 06 07:03:36.300 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 06 07:03:36.300 INFO kablam! 
Sep 06 07:03:36.433 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Sep 06 07:03:36.437 INFO kablam! su: No module specific data is present
Sep 06 07:03:37.046 INFO running `"docker" "rm" "-f" "842f95c79b96f764cf26911f6265f0fa06fac67dc7e410bddde16941e9ba69db"`
Sep 06 07:03:37.100 INFO blam! 842f95c79b96f764cf26911f6265f0fa06fac67dc7e410bddde16941e9ba69db