Nov 05 00:04:09.579 INFO checking filters-0.3.0 against try#e740b9aa0b624fa39feb39613e76d15bdf57e594 for pr-55655
Nov 05 00:04:09.581 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-5/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55655/try#e740b9aa0b624fa39feb39613e76d15bdf57e594:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +e740b9aa0b624fa39feb39613e76d15bdf57e594-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 05 00:04:09.915 INFO blam! 96911363f159b4a956a0fb459d46880c09f91595a753027f303e7217f0722fc5
Nov 05 00:04:09.917 INFO running `"docker" "start" "-a" "96911363f159b4a956a0fb459d46880c09f91595a753027f303e7217f0722fc5"`
Nov 05 00:04:10.859 INFO kablam! usermod: no changes
Nov 05 00:04:10.899 INFO kablam!     Checking filters v0.3.0 (/source)
Nov 05 00:04:12.455 INFO kablam! warning: unused variable: `r`
Nov 05 00:04:12.455 INFO kablam!    --> src/failable/filter.rs:358:18
Nov 05 00:04:12.455 INFO kablam!     |
Nov 05 00:04:12.455 INFO kablam! 358 |         let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
Nov 05 00:04:12.455 INFO kablam!     |                  ^ help: consider using `_r` instead
Nov 05 00:04:12.455 INFO kablam!     |
Nov 05 00:04:12.455 INFO kablam!     = note: #[warn(unused_variables)] on by default
Nov 05 00:04:12.455 INFO kablam! 
Nov 05 00:04:12.654 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
Nov 05 00:04:12.655 INFO kablam! su: No module specific data is present
Nov 05 00:04:13.161 INFO running `"docker" "rm" "-f" "96911363f159b4a956a0fb459d46880c09f91595a753027f303e7217f0722fc5"`
Nov 05 00:04:13.415 INFO blam! 96911363f159b4a956a0fb459d46880c09f91595a753027f303e7217f0722fc5