Sep 14 16:34:52.644 INFO checking filters-0.3.0 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 16:34:52.644 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 16:34:52.644 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-2/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 16:34:52.814 INFO blam! 8f6fa88e15189fca109716c1b747087d56d501f698abec3f828b38f92a1d7296
Sep 14 16:34:52.815 INFO running `"docker" "start" "-a" "8f6fa88e15189fca109716c1b747087d56d501f698abec3f828b38f92a1d7296"`
Sep 14 16:34:53.663 INFO kablam! usermod: no changes
Sep 14 16:34:53.687 INFO kablam!     Checking filters v0.3.0 (file:///source)
Sep 14 16:34:54.203 INFO kablam! warning: unused variable: `r`
Sep 14 16:34:54.203 INFO kablam!    --> src/failable/filter.rs:358:18
Sep 14 16:34:54.203 INFO kablam!     |
Sep 14 16:34:54.203 INFO kablam! 358 |         let a = |r: &i32| -> Result<bool, StupError> { Ok(true) };
Sep 14 16:34:54.203 INFO kablam!     |                  ^ help: consider using `_r` instead
Sep 14 16:34:54.203 INFO kablam!     |
Sep 14 16:34:54.203 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 14 16:34:54.203 INFO kablam! 
Sep 14 16:34:54.313 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Sep 14 16:34:54.314 INFO kablam! su: No module specific data is present
Sep 14 16:34:54.975 INFO running `"docker" "rm" "-f" "8f6fa88e15189fca109716c1b747087d56d501f698abec3f828b38f92a1d7296"`
Sep 14 16:34:55.052 INFO blam! 8f6fa88e15189fca109716c1b747087d56d501f698abec3f828b38f92a1d7296