Sep 10 19:04:41.920 INFO checking filters-0.3.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 19:04:41.920 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 19:04:41.920 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/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 19:04:42.038 INFO blam! ddfacfc5a4c15d16907dd205ca4f7d8f8910718e50c5b68b6adc7bdacc0cf4cd
Sep 10 19:04:42.040 INFO running `"docker" "start" "-a" "ddfacfc5a4c15d16907dd205ca4f7d8f8910718e50c5b68b6adc7bdacc0cf4cd"`
Sep 10 19:04:43.187 INFO kablam! usermod: no changes
Sep 10 19:04:43.207 INFO kablam!     Checking filters v0.3.0 (file:///source)
Sep 10 19:04:43.699 INFO kablam! warning: unused variable: `r`
Sep 10 19:04:43.700 INFO kablam!    --> src/failable/filter.rs:358:18
Sep 10 19:04:43.700 INFO kablam!     |
Sep 10 19:04:43.700 INFO kablam! 358 |         let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
Sep 10 19:04:43.700 INFO kablam!     |                  ^ help: consider using `_r` instead
Sep 10 19:04:43.700 INFO kablam!     |
Sep 10 19:04:43.700 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 19:04:43.700 INFO kablam! 
Sep 10 19:04:43.815 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Sep 10 19:04:43.817 INFO kablam! su: No module specific data is present
Sep 10 19:04:44.374 INFO running `"docker" "rm" "-f" "ddfacfc5a4c15d16907dd205ca4f7d8f8910718e50c5b68b6adc7bdacc0cf4cd"`
Sep 10 19:04:44.450 INFO blam! ddfacfc5a4c15d16907dd205ca4f7d8f8910718e50c5b68b6adc7bdacc0cf4cd