Sep 18 00:41:41.086 INFO checking filters-0.2.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 18 00:41:41.086 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 18 00:41:41.086 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-3/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 00:41:41.263 INFO blam! d71f16f01abb2078f4155a662ad0ea6d3ebf2d8cc56ea9e6768263830f9444ed
Sep 18 00:41:41.279 INFO running `"docker" "start" "-a" "d71f16f01abb2078f4155a662ad0ea6d3ebf2d8cc56ea9e6768263830f9444ed"`
Sep 18 00:41:42.205 INFO kablam! usermod: no changes
Sep 18 00:41:42.232 INFO kablam!     Checking filters v0.2.0 (/source)
Sep 18 00:41:42.827 INFO kablam! warning: unused variable: `r`
Sep 18 00:41:42.827 INFO kablam!    --> src/failable/filter.rs:352:18
Sep 18 00:41:42.827 INFO kablam!     |
Sep 18 00:41:42.827 INFO kablam! 352 |         let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
Sep 18 00:41:42.827 INFO kablam!     |                  ^ help: consider using `_r` instead
Sep 18 00:41:42.827 INFO kablam!     |
Sep 18 00:41:42.827 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 18 00:41:42.827 INFO kablam! 
Sep 18 00:41:42.928 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Sep 18 00:41:42.930 INFO kablam! su: No module specific data is present
Sep 18 00:41:44.004 INFO running `"docker" "rm" "-f" "d71f16f01abb2078f4155a662ad0ea6d3ebf2d8cc56ea9e6768263830f9444ed"`
Sep 18 00:41:44.061 INFO blam! d71f16f01abb2078f4155a662ad0ea6d3ebf2d8cc56ea9e6768263830f9444ed